Earth-Based Perspective and Pre-Cassini–Huygens Knowledge of Titan

  • Athena Coustenis
  • Emmanuel Lellouch
  • Bruno Sicardy
  • Henry Roe

Abstract

This chapter sets the scene for the current investigation of Titan with Cassini—Huygens, by reviewing the steps that took us there, from the first glimpses through a small telescope to the satellite observations passing by the first hints of an atmosphere about a 100 years ago.

Keywords

Vortex Methane Dust Benzene Argon 

References

  1. Adamkovics M, Wong MH, Laver C, de Pater I (2007) Widespread morning drizzle on Titan. Science 318:962–965ADSGoogle Scholar
  2. Allen M, Pinto IP, Yung YL (1980) Titan: aerosol photochemistry and variations related to the sunspot cycle. Astrophys J 242:L125–L128ADSGoogle Scholar
  3. Asano S (1979) Light scattering properties of spheroidal particles. Appl Opt 18:712–723ADSGoogle Scholar
  4. Atreya SK, Kuhn WR, Donahue TM (1980) Saturn — tropospheric ammonia and nitrogen. Geophys Res Let 7:474–476ADSGoogle Scholar
  5. Atreya SK, Adams EY, Niemann HB, Demick-Montelara JE, Owen TC, Fulchignoni M, Ferri F, Wilson EH (2006) Titan's methane cycle. Plan Space Sci 54:1177–1187ADSGoogle Scholar
  6. Bell TH (1975) Topographically generated internal waves in the open oceans. J Geophys Res 80:320–327ADSGoogle Scholar
  7. Bellucci, A.; Sicardy, B.; Drossart, P.; Rannou, P.; Nicholson, P. D.; Hedman, M.; Baines, K. H.; Burrati, B., 2009. Titan solar occulta-tion observed by Cassini/VIMS: Gas absorption and constraints on aerosol composition. Icarus 201, 198–216.ADSGoogle Scholar
  8. Bézard B, Marten A, Paubert G (1993) Detection of acetonitrile on Titan. Bull Am Astron Soc 25(3):1100ADSGoogle Scholar
  9. Bézard B, Coustenis A, McKay CP (1995) Titan's stratospheric temperature asymmetry: a radiative origin. Icarus 113:267–276ADSGoogle Scholar
  10. Bézard B, Drossart P, Encrenaz Th, Feuchtgruber H (2001) Benzene on the giant planets. Icarus 154:492–500ADSGoogle Scholar
  11. Bird MK, Allison M, Asmar SW, Atkinson DH, Avruch IM, Dutta-Roy R, Dzierma Y, Edenhofer P, Folkner WM, Gurvits LI, Johnston DV, Plettemeier D, Pogrebenko SV, Preston RA, Tyler GL (2005) The vertical profile of winds on Titan. Nature 438:800–802ADSGoogle Scholar
  12. Bouchez A (2004) Seasonal trends in Titan's atmosphere: haze, wind, and clouds, Ph.D. thesis, California Institute of Technology, PasadenaGoogle Scholar
  13. Bouchez AH, Brown ME (2005) Statistics of Titan's south polar tropo-spheric clouds. Astrophys J 618:L53–L56ADSGoogle Scholar
  14. Briggs FH (1974) The radio brightness of Titan. Icarus 22:48ADSGoogle Scholar
  15. Broadfoot AL, Belton MJS, Takacs PZ, Sandel BR, Shemansky DE, Holberg JB, Ajello JM, Atreya SK, Donahue TM, Moos HW, Bertaux JL, Blamont JE, Strobel DF, McConnell JC, Dalgarno A, Goody R, McElroy MB (1981) Extreme ultraviolet observations from Voyager 1 encounter with Saturn. Science 212:206–211ADSGoogle Scholar
  16. Brown ME, Bouchez AH, Griffith CA (2002) Direct detection of variable tropospheric clouds near Titan's south pole. Nature 420:795–797ADSGoogle Scholar
  17. Caldwell J (1977) Thermal radiation from Titan's atmosphere. In: Burns JA (ed) Planetary satellites, University of Arizona, Tucson, pp 420–437Google Scholar
  18. Caldwell J, Cunningham CC, Anthony D, White HP, Groth EJ, Hasan H, Noll K, Smith PH, Tomasko MG, Weaver HA (1992) Titan: evidence for seasonal change — a comparison of hubble space telescope and voyager images. Icarus 97:1–9ADSGoogle Scholar
  19. Campbell DB, Black GJ, Carter LM, Ostro SJ (2003) Radar evidence for liquid surfaces on Titan. Science 302:431–434ADSGoogle Scholar
  20. Chang S, Scattergood T, Aronowitz S, Flores J (1979) Organic chemistry on Titan. Rev Geophys Space Phys 17:1923–1933ADSGoogle Scholar
  21. Coll P, Coscia D, Smith N, Gazeau M-C, Ramírez SI, Cernogora G, Israël G, Raulin F (1999) Experimental laboratory simulation of Titan's atmosphere: aerosols and gas phase. Plan Space Sci 47:1331–1340ADSGoogle Scholar
  22. Comas Solá J (1908) Observationes des Satellites Principaux de Jupiter et de Titan. Astron Nachr 179:289–290ADSGoogle Scholar
  23. Courtin R, Kim SJ (2002) Mapping of Titan's tropopause and surface temperatures from Voyager IRIS spectra. Plan Space Sci 50:309–321ADSGoogle Scholar
  24. Courtin R, Gautier D, McKay CP (1995) Titan's thermal emission spectrum: re-analysis of the Voyager infrared measurements. Icarus 114:144–163ADSGoogle Scholar
  25. Coustenis A (2007) «Titan ». In Encyclopedia of the Solar System, Second Edition, eds. P. R. Weissman, L.-A. McFadden, T.V. Johnson, Academic Press.Google Scholar
  26. Coustenis A, Bézard B (1995) Titan's atmosphere from Voyager infrared observations I V. Latitudinal variations of temperature and composition. Icarus 115:126–140ADSGoogle Scholar
  27. Coustenis A, Bézard B, Gautier D (1989a) Titan's atmosphere from Voyager infrared observations: I The gas composition of Titan's equatorial region. Icarus 80:54–76ADSGoogle Scholar
  28. Coustenis A, Bézard B, Gautier D (1989b) Titan's atmosphere from Voyager infrared observations: II. The CH3D abundance and D/H ratio from the 900–1200 cm −1 spectral region. Icarus 82:67–80ADSGoogle Scholar
  29. Coustenis A, Bézard B, Gautier D, Marten A, Samuelson RE (1991) Titan's atmosphere from Voyager infrared observations III. Vertical distributions of hydrocarbons and nitriles near Titan's north pole. Icarus 89:152–167ADSGoogle Scholar
  30. Coustenis A, Lellouch E, Maillard J-P, McKay CP (1995) Titan's surface: composition and variability from the near-infrared albedo. Icarus 118:87–104ADSGoogle Scholar
  31. Coustenis A, Salama A, Lellouch E, Encrenaz Th, Bjoraker G, Samuelson RE, de Graauw Th, Feuchtgruber H, Kessler MF (1998) Evidence for water vapor in Titan's atmosphere from ISO/SWS data. Astron Astrophys 336, L85–L89ADSGoogle Scholar
  32. Coustenis A, Gendron E, Lai O, Véran J-P, Woillez J, Combes M, Vapillon L, Fusco T, Mugnier L, Rannou P (2001) Images of Titan at 1.3 and 1.6 μm with aqdaptive optics at the CFHT. Icarus 154:501–515ADSGoogle Scholar
  33. Coustenis A, Salama A, Schulz B, Ott S, Lellouch E, Encrenaz Th, Gautier D, Feuchtgruber H (2003) Titan's atmosphere from ISO mid-infrared spectroscopy. Icarus 161:383–403ADSGoogle Scholar
  34. Coustenis A, Hirtzig M, Gendron E, Drossart P, Lai O, Combes M, Negrão A (2005) Maps of Titan's surface from 1 to 2.5 μm. Icarus 177:89–105ADSGoogle Scholar
  35. Coustenis A, Negrao A, Salama A, Schulz B, Lellouch E, Rannou P, Drossart P, Encrenaz Th, Schmitt B, Boudon V, Nikitin A (2006) Titan's 3-μm spectral region from ISO high-resolution spectros-copy. Icarus 180:176–185ADSGoogle Scholar
  36. Cruikshank DP, Morgan JS (1980) Titan — suspected near-infrared variability. Astrophys J Lett 235:L53+ADSGoogle Scholar
  37. Danielson RE, Caldwell JJ, Larach DR (1973) An inversion in the atmosphere of Titan. Icarus 20:437–443ADSGoogle Scholar
  38. de Bergh C, Lutz BL, Owen T, Chauville J (1988) Monodeuterated methane in the outer solar system III. Its abundance on Titan. Astron Astrophys J 329:951–955Google Scholar
  39. De Pater I, Ádámkovics M, Bouchez AH, Brown ME, Gibbard SG, Marchis F, Roe HG, Schaller EL, Young E (2006) Titan imagery with Keck adaptive optics during and after probe entry. J Geophys Res 111: E07S05Google Scholar
  40. Dermott SF, Sagan C (1995) Tidal effects of disconnected hydrocarbon seas on Titan. Nature 374:238ADSGoogle Scholar
  41. Dubouloz N, Raulin F, Lellouch E, Gautier D (1989) Titan's hypothesized ocean properties:the influence of surface temperature and atmospheric composition uncertainties. Icarus 82:81–94ADSGoogle Scholar
  42. Elliot JL, Veverka J, Goguen J (1975) Lunar occultation of Saturn. I — the diameters of Tethys, Dione, Rhea, Titan, and Iapetus. Icarus 26:387–407ADSGoogle Scholar
  43. Eshleman VR, Lindal GF, Tyler GL (1983) Is Titan wet or dry? Science 221:53–55ADSGoogle Scholar
  44. Fink U, Larson HP (1979) The infrared spectra of Uranus, Neptune, and Titan from 0.8 to 2.5 μm. Astrophys J 233:1021–1040ADSGoogle Scholar
  45. Flasar FM (1983) Oceans on Titan? Science 221:55–57ADSGoogle Scholar
  46. Flasar FM, Conrath BJ (1990) Titan's stratospheric temperatures: a case for dynamical inertia? Icarus 85:346–354ADSGoogle Scholar
  47. Flasar FM, Samuelson RE, Conrath BJ (1981) Titan's atmosphere: temperature and dynamics. Nature 292:693–698ADSGoogle Scholar
  48. Flasar FM, Achterberg RK, Conrath BJ, Bjoraker GL, Jennings DE, Pearl JC, Romani PN, Simon-Miller AA, Kunde VG, Nixon CA, Bézard B, Orton GS, Spilker LJ, Irwin P, Teanby NA, Spencer JA, Owen TC, Brasunas JC, Segura ME, Carlson R, Matmoukine A, Giearasch PJ, Schinlder PJ, Ferrari C, Showalter MR, Barucci A, Courtin R, Coustenis A, Fouchet T, Gautier D, Lellouch E, Marten A, Prangé R, Strobel DF, Calcutt SB, Read PL, Taylor FW, Bowles N, Samuelson RE, Abbas MM, Raulin F, Ade P, Edgington S, Pilorz S, Wallis B, Wishnow E (2005) Temperatures, winds, and composition in the Saturnian system. Science 307:1247–1251ADSGoogle Scholar
  49. Folkner WM, Asmar SW, Border JS, Franklin GW, Finley SG, Gorelik J, Johnston DV, Kerzhanovich VV, Lowe ST, Preston RA, Bird MK, Dutta-Roy R, Allison M, Atkinson DH, Edenhofer P, Plettemeier D, Tyler GL (2006) Winds on Titan from ground-based tracking of the Huygens probe. J Geophys Res 111:Issue 7, CiteID E07S02Google Scholar
  50. Friedson AJ (1994) Gravity waves in Titan's atmosphere. Icarus 109:40–57ADSGoogle Scholar
  51. Friedson AJ, Yung YL (1984) The thermosphere of Titan. J Quant Spectrosc Radiat Transfer 89:85–90Google Scholar
  52. Fulchignoni M, Ferri F, Angrilli F, Ball AJ, Bar-Nun A, Barucci MA, Bettanini C, Bianchini G, Borucki W, Colombatti G, Coradini M, Coustenis A, Debei S, Falkner P, Fanti G, Flamini E, Gaborit V, Grard R, Hamelin M, Harri AM, Hathi B, Jernej I, Leese MR, Lehto A, Lion Stoppato PF, Lopez-Moreno JJ, Mäkinen T, McDonnell JAM, McKay CP, Molina-Cuberos G, Neubauer FM, Pirronello V, Rodrigo R, Saggin B, Schwingenschuh K, Seiff A, Simoes F, Svedhem H, Tokano T, Towner MC, Trautner R, Withers P, Zarnecki JC (2005) Titan's physical characteristics measured by the Huygens Atmospheric Instrument (HASI). Nature 438:785–791ADSGoogle Scholar
  53. Gardner CS (1994) Diffusive filtering theory of gravity wave spectra in the atmosphere. J Geophys Res 99:(20)601–(20)622Google Scholar
  54. Gendron E, Coustenis A, Drossart P, Combes M, Hirtzig M, Lacombe F, Rouan D, Collin C, Pau S, Lagrange A-M, Mouillet D, Rabou P, Fusco Th, Zins S (2004) VLT/NACO adaptive optics imaging of Titan. Astron Astroph 417:L21–L24ADSGoogle Scholar
  55. Gibbard SG, Macintosh B, Gavel D, Max CE, de Pater I, Ghez AM, Young EF, McKay CP (1999) Titan: high-resolution speckle images from the keck telescope. Icarus 139:189–201ADSGoogle Scholar
  56. Gibbard SG, Macintosh B, Gavel D, Max CE, de Pater I, Roe HG, Ghez AM, Young EF, McKay CP (2004) Speckle imaging of Titan at 2 μm: surface albedo, haze optical depth, and tropospheric clouds 1996–1998. Icarus 169:429–439ADSGoogle Scholar
  57. Gillett FC (1975) Further observations of the 8–13 μm spectrum of Titan. Astrophys J 201:L41–L43ADSGoogle Scholar
  58. Gillett FC, Forrest WJ, Merril KM (1973) 8–13 μm observations of Titan. Astrophys J 184:L93–L95ADSGoogle Scholar
  59. Griffith CA (1993) Evidence for surface heterogeneity on Titan. Nature 364:511–514ADSGoogle Scholar
  60. Griffith CA, Owen T, Wagener T (1991) Titan's surface and troposphere, investigated with ground-based, near-infrared observations. Icarus 93:362–378ADSGoogle Scholar
  61. Griffith CA, Owen T, Miller GA, Geballe T (1998) Transient clouds in Titan's lower atmosphere. Nature 395:575–578ADSGoogle Scholar
  62. Griffith CA, Hall JL, Geballe TR (2000) Detection of daily clouds on Titan. Science 290:509–513ADSGoogle Scholar
  63. Griffith CA, Owen T, Geballe TR, Rayner J, Rannou P (2003) Evidence for the exposure of water ice on Titan's surface. Science 300:628–630ADSGoogle Scholar
  64. Griffith CA, Penteado P, Greathouse TK, Roe HG, Yelle RV (2005) Observations of Titan's mesosphere. Astrophys J 629:L57–L60ADSGoogle Scholar
  65. Gurwell MA (2004) Submillimeter observations of Titan: global measures of stratospheric temperature, CO, HCN, HC3N, and the isoto-pic ratios 12C/13C and 14N/15N. Astrophys J 616:L7–L10ADSGoogle Scholar
  66. Gurwell MA (2008) Carbon, nitrogen and oxygen isotopic ratios in titan's stratosphere. American Astronomical Society, DPS meeting #40, Bull Amer Astron Soc. 20.09 [Abstract]Google Scholar
  67. Gurwell MA, Muhleman DO (1995) CO on Titan: evidence for a well-mixed vertical profile. Icarus 117:375–382ADSGoogle Scholar
  68. Gurwell MA, Muhlemann DO (2000) CO on Titan: more evidence for a well-mixed vertical profile. Icarus 145:653–656ADSGoogle Scholar
  69. Hanel R, Conrath B, Flasar FM, Kunde V, Maguire W, Pearl JC, Pirraglia J, Samuelson R, Herath L, Allison M, Cruikshank DP, Gautier D, Gierasch PJ, Horn L, Koppany R, Ponnamperuma C (1981) Infrared observations of the Saturnian system from Voyager 1. Science 212:192–200. Harris, 1961ADSGoogle Scholar
  70. Harris DL (1961) Photometry and colorimetry of planets and satellites. In: Planets and Satellites. Gerard P. Kuiper and Barbara M. Middlehurst Eds. Chicago, The University of Chicago, p 272Google Scholar
  71. Hartung M, Herbst TM, Dumas C, Coustenis A (2006) Limits to the abundance of CO2 ice on Titan. J Geophys Res Planets 111:E07S09 (7 pages)Google Scholar
  72. Herschel J (1847) Results of Astronomical Observations made during the year 1834-8 at the Cape of Good Hope. London.Google Scholar
  73. Hidayat T, Marten A, Bézard B, Gautier D, Owen T, Matthews HE, Paubert G (1997) Millimetre and submillimetre heterodyne observations of Titan: retrieval of the vertical profile of HCN and the 12C/13C ratio. Icarus 126:170–182ADSGoogle Scholar
  74. Hidayat T, Marten A, Bézard B, Gautier D, Owen T, Matthews HE, Paubert G (1998) Millimeter and submillimeter heterodyne observations of Titan: the vertical profile of carbon monoxide in its stratosphere. Icarus 133(1):109–133ADSGoogle Scholar
  75. Hinson DP, Tyler GL (1983) Internal gravity waves in Titan's atmosphere observed by Voyager radio occultation. Icarus 54:337–352ADSGoogle Scholar
  76. Hirtzig M, Coustenis A, Gendron E, Drossart P, Negrao A, Combes M, Lai O, Rannou P, Lebonnois S, Luz D (2006) Monitoring atmospheric phenomena on Titan. Astron Astrophys 456:761–774ADSGoogle Scholar
  77. Hirtzig M, Coustenis A, Gendron E, Drossart P, Hartung M, Negrao A, Rannou Combes M (2007) Titan: atmospheric and surface features as observed with NAOS/CONICA at the time of the Huygens' landing. J Geophys Res Planets112:E02S91Google Scholar
  78. Hörst SM, Vuitton V, Yelle RV (2008) Origin of oxygen species in Titan's atmosphere. J Geophys Res 113:CiteID E10006Google Scholar
  79. Hourdin F, Talagrand O, Sadourny R, Courtin R, Gautier D, McKay CP (1995) Numerical simulation of the general circulation of the atmosphere of Titan. Icarus 117:358–374ADSGoogle Scholar
  80. Hourdin F, Lebonnois S, Luz D, Rannou P (2004) Titan's stratospheric composition driven by condensation and dynamics. J Geophys Res 109:CiteID E12005Google Scholar
  81. Hubbard WB, Hunten DM, Reitsema HJ, Brosch N, Nevo Y, Carreira E, Rossi F, Wasserman LH (1990) Results of Titan's atmosphere from its occultation of 28 Sagittari. Nature 343:353–355ADSGoogle Scholar
  82. Hubbard WB, Porco CC, Hunten DM, Rieke GH, Rieke MJ, McCarthy DW, Haemmerle V, Clark R, Turtle EP, Haller J, McLeod B, Lebofsky LA, Marcialis R, Holberg JB, Landau R, Carrasco L, Elias J, Buie MW, Persson SE, Boroson T, West S, Mink DJ (1993) The occultation of 28 Sgr by Titan. Astron Astrophys 269:541–563ADSGoogle Scholar
  83. Hunten DM (1973a) The escape of light gases from planetary atmospheres. J Atmos Sci 30:1481–1494ADSGoogle Scholar
  84. Hunten DM (1973b) The escape of H2 from Titan. J Atmos Sci 30:726–732ADSGoogle Scholar
  85. Hunten, DM (1977) Titan's atmosphere and surface. In: Burns JA (ed) Planetary satellites, University of Arizona Press, Tucson, pp 420–437Google Scholar
  86. Hunten DM (1978). A Titan atmosphere with a surface temperature of 200 K. In: JPL (ed) The Saturn system, University of Arizona Press, Tucson. pp 127–140Google Scholar
  87. Hunten DM, Tomasko MG, Flasar FM, Samuelson RE, Strobel DF, Stevenson DJ (1984) Titan. In: Saturn T, Gehrels & Matthews M (eds), University of Arizona Press, pp 671–759Google Scholar
  88. Hutzell WT, McKay CP, Toon OB (1993) Effects of time-varying haze production on Titan's geometric albedo. Icarus 105:162–174ADSGoogle Scholar
  89. Huygens C (1659) In: Systema saturnium, Hague.Google Scholar
  90. Jaffe W, Caldwell J, Owen T (1980) Radius and brightness temperature observations of Titan at centimetre wavelengths by the very large array. Astrophys J 242:806–811ADSGoogle Scholar
  91. Jeans JH (1931) The dynamical theory of gases. 3d edition. (Dover reprint).Google Scholar
  92. Khare BN, Sagan C (1973) Red clouds in reducing atmospheres. Icarus 20:311ADSGoogle Scholar
  93. Khare BN, Sagan C, Arakawa ET, Suits F, CallcottTA, Williams MW (1984). Optical constants of organic tholins produced in a simulated Titanian atmosphere: from soft X-ray to microwave frequencies. Icarus 60:127–137ADSGoogle Scholar
  94. Kim SJ, Caldwell J (1982) The Abundance of CH3D in the atmosphere of Titan derived from 8 to 14 mm thermal emission. Icarus 52:473–482ADSGoogle Scholar
  95. Kostiuk T, Fast KE, Livengood TA, Hewagama T, Goldstein JJ, Espenak F, Buhl D (2001) Direct measurement of winds of Titan. Geophys Res Lett 28:2361–2364ADSGoogle Scholar
  96. Kostiuk T, Livengood TA, Hewagama T, Sonnabend G, Fast KE, Murakawa K, Tokunaga AT, Annen J, Buhl D, Schmlling F (2005) Titan's stratospheric zonal wind, temperature, and ethane abundance a year prior to Huygens insertion. Geophys Res Lett 32:L22205. doi:10.1029/2005GL023897ADSGoogle Scholar
  97. Kostiuk T, Livengood TA, Sonnabend G, Fast KE, Hewagama T, Murakawa K, Tokunaga AT, Annen J, Buhl D, Schmülling F, Luz D, Witasse O (2006) Stratospheric global winds on Titan at the time of Huygens descent. J Geophys Res 111:CiteID E07S03Google Scholar
  98. Kuiper GP (1944) Titan: a satellite with an atmosphere. Astrophys J 100:378–383ADSGoogle Scholar
  99. Kuiper GP (1952) In: G.P. Kuiper, Editor, The Atmospheres of the Earth and Planets, University of ChicagoGoogle Scholar
  100. Kunde VG, Aikin AC, Hanel RA, Jennings DE, Maguire WC, Samuelson RE (1981) C4H2, HC3N and C2N2 in Titan's atmosphere. Nature 292(686–688):1981Google Scholar
  101. Lara LM, Lellouch E, López-Moreno JJ, Rodrigo R (1996) Vertical distribution of Titan's atmospheric neutral constituents. J Geophys Res 101:23262–23283ADSGoogle Scholar
  102. Lara L-M, Lellouch E, Shematovich V (1999) Titan's atmospheric haze: the case for HCN incorporation. Astron Astrophys 341:312–317ADSGoogle Scholar
  103. Lebonnois S (2005) Benzene and aerosol production in Titan and Jupiter's atmospheres: a sensitivity study. Plan Space Sci 53:486–497ADSGoogle Scholar
  104. Lebonnois S, Toublanc D, Hourdin F, Rannou P (2001) Seasonal variations of Titan's atmospheric composition. Icarus 152:384–406ADSGoogle Scholar
  105. Lebonnois S, Bakes ELO, McKay CP (2002) Transition from gaseous compounds to aerosols in Titan's atmosphere. Icarus 159:505–517ADSGoogle Scholar
  106. Lebonnois S, Hourdin F, Rannou P, Luz D, Toublanc D (2003) Impact of the seasonal variations of composition on the temperature field of Titan's stratosphere. Icarus 163:164–174ADSGoogle Scholar
  107. Lebreton J-P, Witasse O, Sollazzo C, Blancquaert T, Couzin P, Schipper A-M, Jones JB, Matson DL, Gurvits LI, Atkinson DH, Kazeminejad B, Pérez-Ayúcar M (2005) An overview of the descent and landing of the Huygens probe on Titan. Nature 438:758–764ADSGoogle Scholar
  108. Lellouch E, Coustenis A, Gautier D, Raulin F, Dubouloz N, Frère C (1989) Titan's atmosphere and hypothesized ocean: a reanalysis of the Voyager 1 radio-occultation and IRIS 7.7 μm data. Icarus 79:328–349ADSGoogle Scholar
  109. Lellouch E, Hunten D, Kockarts G, Coustenis A (1990) Titan's thermo-sphere profile. Icarus 83:308–324ADSGoogle Scholar
  110. Lellouch E, Coustenis A, Sebag B, Cuby J-G, Lopez-Valverde M, Schmitt B, Fouchet T, Crovisier J (2003) Titan's 5μm window: observations with the very large telescope. Icarus 162:125–142ADSGoogle Scholar
  111. Lemmon MT, Karkoschka E, Tomasko M (1993) Titan's rotation — surface feature observed. Icarus 103:329–332ADSGoogle Scholar
  112. Lemmon MT, Karkoschka E, Tomasko M (1995) Titan's rotational lightcurve. Icarus 113:27–38ADSGoogle Scholar
  113. Lemmon MT, Smith PH, Lorenz RD (2002) Methane abundance on Titan, measured by the space telescope imaging spectrograph. Icarus 160:375–385ADSGoogle Scholar
  114. Letourneur B, Coustenis A (1993) Titan's atmospheric structure from Voyager 2 infrared spectra. Planet Space Sci 41:593–602ADSGoogle Scholar
  115. Lewis JS (1971) Satellites of the outer planets: their physical and chemical nature. Icarus 15:174–185ADSGoogle Scholar
  116. Liang M-C, Heays AN, Lewis BR, Gibson ST, Yung YL (2007) Source of nitrogen isotope anomaly in HCN in the atmosphere of Titan. Astrophys J 664:L115–L118ADSGoogle Scholar
  117. Lindal GF, Wood GE, Hotz HB, Sweetnam DN, Eshelman VR, Tyler GL (1983) The atmosphere of Titan: an analysis of the Voyager 1 radio-occultation measurements. Icarus 53:348–363ADSGoogle Scholar
  118. Livengood TA, Kostiuk T, Sonnabend G, Annen JN, Fast KE, Tokunaga A, Murakawa K, Hewagama T, Schmülling F, Schieder R (2006) High-resolution infrared spectroscopy of ethane in Titan's stratosphere in the Huygens epoch. J Geophys Res 111:CiteID E11S90Google Scholar
  119. Lockwood GW, Lutz BL, Thompson DT, Bus ES (1986) The albedo of Titan. Astrophys J 303:511–520ADSGoogle Scholar
  120. Lockwood GW, Thompson DT (2009) Seasonal photometric variability of Titan, 1972–2006. Icarus 200:616–626.ADSGoogle Scholar
  121. Lopez-Valverde MA, Lellouch E, Coustenis A (2005) Carbon monoxide fluorescence from Titan's atmosphere. Icarus 175:503–521ADSGoogle Scholar
  122. Lorenz RD, Lemmon MT, Smith PH, Lockwood GW (1999) Seasonal change on Titan observed with the hubble space telescope WFPC-2. Icarus 142:391–401ADSGoogle Scholar
  123. Lorenz RD, Young EF, Lemmon MT (2001) Titan's smile and collar: HST observations of seasonal change 1994–2000. Geophys Res Lett 28:4453–4456ADSGoogle Scholar
  124. Lorenz, R. D.; Witasse, Olivier Lebreton, Jean-Pierre; Blancquaert, Thierry; de Pater, Imke; Mazoue, Franck; Roe, Henry; Lemmon, Mark T.; Burratti, Bonnie J.; Holmes, Shadrian; Noll, Keith (2006) Huygens entry emission: Observation campaign, results, and lessons learned. J Geophys Res Volume 111, Issue E7, CiteID E07S11Google Scholar
  125. Low FJ (1965) Planetary radiation at infrared and millimeter wavelengths. Lowell Observ Bull 6:184–187MathSciNetADSGoogle Scholar
  126. Lunine JI, Stevenson DJ, Yung YL (1983) Ethane ocean on Titan. Science 222:1229+ADSGoogle Scholar
  127. Lunine JI, Yung YL, Lorenz RD (1999) On the volatile inventory of Titan from isotopic abundances in nitrogen and methane. Plan Space Sci 47:1291–1303ADSGoogle Scholar
  128. Lutz BL, Owen T, Cess RD (1976) Laboratory band strengths of methane and their application to the atmospheres of Jupiter, Saturn, Uranus, Neptune and Titan. Astron Astrophys J 203:541–551ADSGoogle Scholar
  129. Lutz BL, de Bergh C, Owen T (1983) Titan: discovery of carbon monoxide in its atmosphere. Science 220:1374–1375ADSGoogle Scholar
  130. Luz D, Hourdin F, Rannou P, Lebonnois S (2003) Latitudinal transport by barotropic waves in Titan's stratosphere. II. Results from a coupled dynamics-microphysics-photochemistry GCM. Icarus 166:343–358ADSGoogle Scholar
  131. Luz D, Civeit T, Courtin R, Lebreton JP, Gautier D, Rannou P, Kaufer A, Witasse O, Lara L, Ferri F (2005) Characterization of zonal winds in the stratosphere of Titan with UVES. Icarus 179:497–510ADSGoogle Scholar
  132. Luz D, Civeit T, Courtin R, Lebreton J-P, Gautier D, Witasse O, Kaufer A, Ferri F, Lara L, Livengood T, Kostiuk T (2006) Characterization of zonal winds in the stratosphere of Titan with UVES: 2. Observations coordinated with the huygens probe entry. J Geophys Res 111:CiteID E08S90Google Scholar
  133. Maguire WC, Hanel RA, Jennings DE, Kunde VG, Samuelson RE (1981) C3H8 and C3H4 in Titan's atmosphere. Nature 292:683–686ADSGoogle Scholar
  134. Marten A, Gautier D, Tanguy L, Lecacheux A, Rosolen C, Paubert G (1988) Abundance of carbon monoxide in the stratosphere of Titan from millimeter heterodyne observations. Icarus 76:558–562ADSGoogle Scholar
  135. Marten A, Hidayat T, Biraud Y, Moreno R (2002) New millimeter heterodyne observations of titan: vertical distributions of nitriles HCN, HC3N, CH3CN, and the isotopic ratio 15N/14N in its atmosphere. Icarus 158:532–544ADSGoogle Scholar
  136. McKay CP, Pollack JB, Courtin R (1989) The thermal structure of Titan's atmosphere. Icarus 80:23–53ADSGoogle Scholar
  137. McKay CP, Pollack JB, Courtin R (1991) The greenhouse and anti-greenhouse effects on Titan. Science 253:1118–1121ADSGoogle Scholar
  138. McKay CP, Martin SC, Griffin CA, Keller RM (1997) Temperature lapse rate and methane in Titan's troposphere. Icarus 129:498–505ADSGoogle Scholar
  139. McKay CP, Coustenis A, Samuelson RE, Lemmon MT, Lorenz RD, Cabane M, Rannou P, Drossart P (2001) Physical properties of the organic aerosols and clouds on Titan. Plan Space Sci 49:79–99ADSGoogle Scholar
  140. Meier R, Smith BA, Owen TC, Terrile RJ (2000) The surface of Titan from NICMOS observations with the Hubble Space Telescope. Icarus 145:462–473ADSGoogle Scholar
  141. Moreno R, Marten A, Hidayat T (2005) Interferometric measurements of zonal winds on Titan. Astron Astrophys 437:319–328ADSGoogle Scholar
  142. Moses JI, Lellouch E, Bézard B, Gladstone GR, Feuchtgruber H, Allen M (2000) Photochemistry of saturn's atmosphere II. Effects of an influx of external oxygen. Icarus 145:166–202ADSGoogle Scholar
  143. Muhleman DO, Berge GL, Clancy RT (1984) Microwave measurements of carbon monoxide on Titan. Science 223:393–396ADSGoogle Scholar
  144. Muhleman DO, Grossman AW, Butler BJ, Slade MA (1990) Radar reflectivity of Titan. Science 248:975–980ADSGoogle Scholar
  145. Narayan R, Hubbard WB (1988) Theory of anisotropic refractive scintillation: application to stellar occultation by Neptune. Astrophys J 325:503–518ADSGoogle Scholar
  146. Neff JS, Humm DC, Bergstralh JT, Cochran AL, Cochran WD, Barker ES, Tull RG (1984) Absolute spectrophotometry of Titan, Uranus, and Neptune: 3500–10, 500 angstroms. Icarus 60:221–235ADSGoogle Scholar
  147. Negrão A, Coustenis A, Lellouch E, Maillard J-P, Rannou Combes M, Schmitt B, McKay CP, Boudon V (2006). Titan's surface albedo from near-infrared CFHT/FTS spectra: modeling dependence on the methane absorption. Plan Space Sci 54:1225–1246ADSGoogle Scholar
  148. Negrão A, Hirtzig M, Coustenis A, Gendron E, Drossart P, Rannou Combes M, Boudon V (2007). 2-μm spectroscopy of Huygens' landing site on Titan with VLT/NACO. J Geophys Res Planets 112:E02S92Google Scholar
  149. Noll KS, Geballe TR, Knacke RF, Pendleton YJ (1996) Titan's 5 mm spectral window: carbon monoxide and the albedo of the surface. Icarus 126:625–631ADSGoogle Scholar
  150. Orton G (1992) Ground-based observations of Titan's thermal spectrum. In: Kaldeich B (ed) Symposium on Titan, Toulouse, France, 1991, ESA-SP 338. pp 81–85Google Scholar
  151. Owen T (1982) The composition and origin of Titan's atmosphere. Planet Space Sci 30:833–838ADSGoogle Scholar
  152. Owen TC (2000) On the origin of Titan's atmosphere. Plan Space Sci 48:747–752ADSGoogle Scholar
  153. Pinto JP, Lunine JI, Kim SJ, Yung YL (1986) D to H ratio and the origin and evolution of Titan's atmosphere. Nature 319:388–390ADSGoogle Scholar
  154. Pollack JB (1973) Greenhouse models of the atmosphere of Titan. Icarus 19:43–58ADSGoogle Scholar
  155. Porco CC, Baker E, Barbara J, Beurle K, Brahic A, Burns JA, Charnoz S, Cooper N, Dawson DD, Del Genio AD, Denk T, Dones L, Dyudina U, Evans MW, Fussner S, Giese B, Grazier K, Helfenstein P, Ingersoll AP, Jacobson RA, Johnson TV, McEwen A, Murray CD, Neukum G, Owen WM, Perry J, Roatsch T, Spitale J, Squyres S, Thomas P, Tiscareno M, Turtle EP, Vasavada AR, Veverka J, Wagner R, West R (2005) Imaging of Titan from the Cassini spacecraft. Nature 434:159–168ADSGoogle Scholar
  156. Rages K, Pollack JB (1983) Vertical distribution of scattering hazes in Titan's upper atmosphere. Icarus 55:50–62ADSGoogle Scholar
  157. Rannou P, Cabane M, Chassefière E, Botet R, McKay CP, Courtin R (1995) Titan's geometric albedo: role of the fractal structure of the aerosols. Icarus 118:355–372ADSGoogle Scholar
  158. Rannou P, Hourdin F, McKay CP (2002) A wind origin for Titan's haze structure. Nature 418:853–856ADSGoogle Scholar
  159. Rannou P, McKay CP, Lorenz RD (2003) A model of Titan's haze of fractal aerosols constrained by multiple observations. Plan Space Sci 51:963–976ADSGoogle Scholar
  160. Rannou P, Hourdin F, McKay CP, Luz D (2004) A coupled dynamics-microphysics model of Titan's atmosphere. Icarus 170:443–462ADSGoogle Scholar
  161. Rannou P, Montmessin F, Hourdin F, Lebonnois S (2006) The latitudinal distribution of clouds on Titan. Science 311:201–205ADSGoogle Scholar
  162. Richardson J, Lorenz RD, McEwen A (2004) Titan's surface and rotation: new results from Voyager 1 images. Icarus 170:113–124ADSGoogle Scholar
  163. Roe HG, de Pater I, Macintosh BA, Gibbard SG, Max CE, McKay CP (2002a) NOTE: Titan's atmosphere in late southern spring observed with adaptive optics on the W. M. Keck II 10-meter telescope. Icarus 157:254–258Google Scholar
  164. Roe HG, de Pater I, Macintosh BA, McKay CP (2002b) Titan's clouds from Gemini and Keck adaptive optics imaging. Astrophys J 581:1399–1406ADSGoogle Scholar
  165. Roe HG, Greathouse TK, Richter MJ, Lacy JH (2003) Propane on Titan. Astrophys J 597:L65–L68ADSGoogle Scholar
  166. Roe HG, de Pater I, Gibbard SG, Macintosh BA, Max CE, Young EF, Brown ME, Bouchez AH (2004) A new 1.6-μm map of Titan's surface. Geophys Res Lett 31:7−+Google Scholar
  167. Roe HG, Bouchez AH, Trujillo CA, Schaller EL, Brown ME (2005a) Discovery of temperate latitude clouds on Titan. Astrophys J Lett 618:L49–L52ADSGoogle Scholar
  168. Roe HG, Brown ME, Schaller EL, Bouchez AH, Trujillo CA (2005b) Geographic control of Titan's mid-latitude clouds. Science 310:477–479ADSGoogle Scholar
  169. Sagan C (1971) The solar system beyond Mars: an exobiological survey. Space Sci Rev 11:827–866ADSGoogle Scholar
  170. Sagan C (1973) The greenhouse of Titan. Icarus 18:649–656ADSGoogle Scholar
  171. Sagan C (1974) The origin of life in a cosmic context. Origins of life 5:497–505ADSGoogle Scholar
  172. Sagan C, Dermott SF (1982) The tide in the seas of Titan. Nature 300:731–733ADSGoogle Scholar
  173. Samuelson RE (1983) Radiative equilibrium model of Titan's atmosphere. Icarus 53:364 –387ADSGoogle Scholar
  174. Samuelson RE, Mayo LA (1997) Steady-state model for methane condensation in Titan's troposphere. Planet Space Sci 45:949–958ADSGoogle Scholar
  175. Samuelson RE, Hanel RA, Kunde VG, Maguire WC (1981) Mean molecular weight and hydrogen abundance of Titan's atmosphere. Nature 292:688–693ADSGoogle Scholar
  176. Samuelson RF, Maguire WC, Hand RA, Kunde VG, Jennings DF, Yung YL, Aikin AC (1983) CO2 on Titan. J Geophys Res 88:8709–8715ADSGoogle Scholar
  177. Samuelson RE, Nath NR, Borysow A (1997a) Gaseous abundances and methane supersaturation in Titan's troposphere. Planet Space Sci 45:959–980ADSGoogle Scholar
  178. Samuelson RE, Mayo LA, Knuckles MA, Khanna RJ (1997b) C4N2 ice in Titan's north polar stratosphere. Planet Space Sci 45:941–948ADSGoogle Scholar
  179. Schaller EL, Brown ME, Roe HG, Bouchez AH (2006a) A large cloud outburst at Titan's south pole. Icarus 182:224–229ADSGoogle Scholar
  180. Schaller EL, Brown ME, Roe HG, Bouchez AH, Trujillo CA (2006b) Dissipation of Titan's south polar clouds. Icarus 184:517–523ADSGoogle Scholar
  181. Sicardy B, Brahic A, Ferrari C, Gautier D, Lecacheux J, Lellouch E, Roques F, Arlot JE, Colas F, Thuillot W, Sevre F, Vidal JL, Blanco C, Cristaldi S, Buil C, Klotz A, Thouvenot E (1990) Probing Titan's atmosphere by stellar occultation. Nature 343:350–353ADSGoogle Scholar
  182. Sicardy B, Ferri F, Roques F, Lecacheux J, Pau S, Brosch N, Nevo Y, Hubbard WB, Reitsema HJ, Blanco C, Carreira E, Beisker W, Bittner C, Bode H-J, Bruns M, Denzau H, Nezel M, Riedel E, Struckmann H, Appleby G, Forrest RW, Nicolson IKM, Hollis AJ, Miles R (1999) The structure of Titan's stratosphere from the 28 Sgr occultation. Icarus 142:357–390ADSGoogle Scholar
  183. Sicardy B, Colas F, Widemann T, Bellucci A, Beisker W, Kretlow M, Ferri F, Lacour S, Lecacheux J, Lellouch E, Pau S, Renner S, Roques F, Fienga A, Etienne C, Martinez C, Glass IS, Baba D, Nagayama T, Nagata T, Itting-Enke S, Bath K-L, Bode H-J, Bode F, Lüdemann H, Lüdemann J, Neubauer D, Tegtmeier A, Tegtmeier C, Thomé B, Hund F, deWitt C, Fraser B, Jansen A, Jones T, Schoenau P, Turk C, Meintjies P, Hernandez M, Fiel D, Frappa E, Peyrot A, Teng JP, Vignand M, Hesler G, Payet T, Howell RR, Kidger M, Ortiz JL, Naranjo O, Rosenzweig P, Rapaport M (2006) The two Titan stellar occultations of 14 November 2003. J Geophys Res 111:E11S91Google Scholar
  184. Smith BA, Soderblom L, Beebe R, Boyce J, Briggs G, Buncer A, Collins SA, Hansen CJ, Johnson T V, Mitchell JL, Terrile RJ, Carr M, Cook Ii AF, Cuzzi J, Pollack JP, Danielson GE, Ingersoll A, Davies ME, Hunt GE, Masursky H, Shoemaker E, Morrison D, Owen T, Sagan C, Veverka J, Strom R, Suomi VE (1981) Encounter with Saturn: Voyager 1 imaging science results. Science 212:163–191ADSGoogle Scholar
  185. Smith GR, Strobel DF, Broadfoot AL, Sandel BR, Shemansky DF, Holberg JB (1982) Titan's upper atmosphere: composition and temperature from the EUV solar occultation results. J Geophys Res 87:1351–1359ADSGoogle Scholar
  186. Smith SA, Fritts DC, VanZandt TE (1987) Evidence for a saturated spectrum of atmospheric gravity waves. J Atmos Sci 44:1404–1410ADSGoogle Scholar
  187. Smith PH, Lemmon MT, Lorenz RD, Sromovsky LA, Caldwell JJ, Allison MD (1996) Titan's surface, revealed by HST imaging. Icarus 119:336–349ADSGoogle Scholar
  188. Sohl F, Sears WD, Lorenz RD (1995) Tidal dissipation on Titan. Icarus 115:278–294ADSGoogle Scholar
  189. Sromovsky LA, Suomi VE, Pollack JB, Krauss RJ, Limaye SS, Owen T, Revercomb HE, Sagan C (1981) Implications of Titan's north south brightness asymmetry. Nature 292:698–702ADSGoogle Scholar
  190. Stone EC, Miner ED (1981) Voyager 1 encounter with the Saturnian system. Science 212:159–162ADSGoogle Scholar
  191. Strobel DF (1974) The photochemistry of hydrocarbons in the atmosphere of Titan. Icarus 21:466–470ADSGoogle Scholar
  192. Strobel DF (1982) Chemistry and evolution of Titan's atmosphere. Planet Space Sci 30:839–848ADSGoogle Scholar
  193. Strobel DF (2006) Gravitational tidal waves in Titan's upper atmosphere. Icarus 182:251–258ADSGoogle Scholar
  194. Strobel DF, Shemansky DE (1982) EUV emission from Titan's upper atmosphere — Voyager 1 encounter. J Geophys Res 87:1361–1368ADSGoogle Scholar
  195. Strobel DF, Sicardy B (1997) Gravity wave and wind shear models. In:Lebreton JP (ed) Huygens science, Payload and Mission. ESA SP 1177. European Space Agency, Noordwijk, The Netherlands, pp. 299–311Google Scholar
  196. Strobel DF, Hall DT, Zhu X, Summers MF (1993) Upper limit on Titan's atmospheric argon abundance. Icarus 103:333–336ADSGoogle Scholar
  197. Tokano T (2005) Meteorological assessment of the surface temperatures on Titan: constraints on the surface type. Icarus 173:222–242ADSGoogle Scholar
  198. Tokano T, Neubauer FM (2002) Tidal winds on Titan caused by Saturn. Icarus 158:499–515ADSGoogle Scholar
  199. Tokano T, Neubauer FM, Laube M, McKay CP (1999) Seasonal variation of Titan's atmospheric structure simulated by a general circulation model. Planet Space Sci 47:493–520ADSGoogle Scholar
  200. Toon OB, McKay CP, Courtin R, Ackerman TP (1988) Methane rain on Titan. Icarus 75:255–284ADSGoogle Scholar
  201. Toublanc D, Parisot P, Brillet J, Gautier D, Raulin F, McKay CP (1995) Photochemical modelling of Titan's atmosphere. Icarus 113:2–16ADSGoogle Scholar
  202. Tracadas PW, Hammel HB, Thomas-Osip JE, Elliot JL, Olkin CB (2001) Probing Titan's atmosphere with the 1995 august stellar occultation. Icarus 153:285–294ADSGoogle Scholar
  203. Trafton L (1972a) On the possible detection of H2 in Titan's atmosphere. Astrophys J 175:285–293ADSGoogle Scholar
  204. Trafton L (1972b) The bulk composition of Titan's atmosphere. Astrophys J 175:295–306ADSGoogle Scholar
  205. Trafton LM (1975) Near-infrared spectrophotometry of Titan. Icarus 24:443–453ADSGoogle Scholar
  206. Vervack RJ, Sandel BR, Strobel DF (2004) New perspectives on Titan's upper atmosphere from a reanalysis of the Voyager 1 UVS solar occultations. Icarus 170:91–112ADSGoogle Scholar
  207. Veverka J (1973) Titan: polarimetric evidence for an optically thick atmosphere. Icarus 18:657–660ADSGoogle Scholar
  208. West RA, Smith PH (1991) Evidence for aggregate particles in the atmospheres of Titan and Jupiter. Icarus 90:330–333ADSGoogle Scholar
  209. West RA, Brown ME, Salinas SV, Bouchez AH, Roe HG (2005) No oceans on Titan from the absence of a near-infrared specular reflec-tion. Nature 436:670–672ADSGoogle Scholar
  210. Wilson EH, Atreya SK (2004) Current state of modeling the photochemistry of Titan's mutually dependent atmosphere and ionosphere. J Geophys Res 109:CiteID E06002Google Scholar
  211. Wilson EH, Atreya SK, Coustenis A (2003) Mechanisms for the formation of benzene in the atmosphere of Titan. J Geophys Res — Planets 108(E2):5014–5024ADSGoogle Scholar
  212. Witasse O, Lebreton J-P, Bird M, Dutta-Roy R et al. (2006) Overview of the coordinated ground-based observations of Titan during the Huygens mission. J Geophys Res Planets 111:E07S01 (12 pages)Google Scholar
  213. Yelle RV (1991) Non-LTE models of Titan's upper atmosphere. Astrophys J 383:380–400ADSGoogle Scholar
  214. Yung YL (1987) An update of nitrile photochemistry on Titan. Icarus 72:468–472ADSGoogle Scholar
  215. Yung YL, Allen M, Pinto JP (1984) Photochemistry of the atmosphere of Titan: comparison between model and observation. Astrophys J 55:465–506ADSGoogle Scholar
  216. Zalucha A, Fitzsimmons A, Elliot JL, Thomas-Osip J, Hammel HB, Dhillon VS, Marsh TR, Taylor FW, Irwin PGJ (2007) The 2003 November 14 occultation by Titan of TYC 1343-1865-1. II. Analysis of light curves. Icarus 192:503–518ADSGoogle Scholar
  217. Zellner B (1973) The polarization of Titan. Icarus 18:661ADSGoogle Scholar
  218. Zhu X (1994) A new theory of the saturated gravity wave spectrum for the middle atmosphere. J Atmos Sci 51:3615–3626ADSGoogle Scholar

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© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  • Athena Coustenis
  • Emmanuel Lellouch
  • Bruno Sicardy
  • Henry Roe

There are no affiliations available

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