Summary
This review consists of five sections. In the introduction, we briefly review the development of the study of molecular clouds. In the second section, we review the theories of molecular cloud structure and compare these predictions with the statistical properties of the clouds. In Sect. 3 we give an overview of current approaches to determinations of mass and local density in clouds. In the fourth part, we discuss the observations of a selected sample of individual sources. The emphasis here is on high resolution studies of regions of star formation. The final section contains a discussion of instrumental limitations and mentions some future developments.
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References
Andersson M., Askne J., Hjalmarson A. 1984Astron. Astrophys. 136, 243.
Bally J., Langer W.D., Stark A.A., Wilson R.W. 1987Astrophys. J 312, L45.
Bally J., Stark A.A., Wilson R.W., Henkel C. 1988Astrophys. J 324, 223.
Barrett A.H., Ho P.T.P., Myers P.C. 1977Astrophys. J 211, L39.
Bastien P. et al. 1985Astron. Astrophys. 146, 86.
Batrla W, Wilson T.L, Bastien P., Ruf K. 1983Astron. Astrophys. 128, 279.
Batrla W., Menten K.M. 1988Astrophys. J 329, L117.
Baud B. et al. 1980 in “Interstellar Molecules” (ed. B. Andrew)(publ. D. Reidel), IAU Symposium 87, p 545.
Baudry A., Diamond P.J., Booth R.S., Graham D., Walmsley CM. 1988Astron. Astrophys. 201, 105.
Bieging J.H., Wilson T.L., Downes D. 1982Astron. Astrophys. Suppl. 49, 607.
Blake G.A., Sutton E.C., Masson C.R., Phillips T.G. 1987Astrophys. J 315, 621.
Blitz L. 1987 in “Physical Processes in Interstellar Clouds” (ed. Morfill G.E., Scholer M.) (publ. D. Reidel), NATO ASI Series, Vol 210, p35.
Bloemhof E.E., Reid M.J., Moran J.M. 1989 to appear in Proc. of Zermatt Conf. on Interstellar Clouds (ed G. Winnewisser and J.T. Armstrong)
Bohlin R.C., Savage B.D., Drake J.F. 1978Astrophys. J 224, 132.
Cabrit S., Goldsmith P.F., Snell R.L. 1988Astrophys. J 334, 196.
Carruthers G.R. 1970Astrophys. J 161, L81.
Cernicharo J., Guélin M. 1987Astron. Astrophys. 176, 299.
Cheung A., Rank D.M., Townes C.H., Thornton D.D., Welch W.J. 1968Phys. Rev. Lett. 21, 1701.
Cheung A., Rank D.M., Townes C.H., Thornton D.D., Welch W.J. 1969Nature,221, 626.
Chièze J.P. 1987Astron. Astrophys. 171, 225.
Clifford P., Elmegreen B.G. 1983Mon. Not. Roy. Astr. Soc. 202, 629.
Crutcher R.M., Henkel C, Wilson T.L., Johnston K.J., Bieging J.H. 1986Astrophys. J 307, 302.
Cummins S.E., Linke R.A., Thaddeus P. 1986Astrophys. J. Suppl. 60, 819.
Dame T., Elmegreen B.G., Cohen R.S., Thaddeus P. 1986Astrophys. J 305, 892.
Davidson J.A., Jaffe D.T. 1984Astrophys. J 277, L13.
De Geus E.J. 1988 Ph.D. Thesis Leiden Univ.
De Jong T, Chu S.-I. Dalgarno A. 1975Astrophys. J 199, 69.
Dickel H.R.,Goss W.M., Rots A.H., Blount H.M. 1986Astron. Astrophys. 162, 221.
Downes D., Genzel R., Becklin E.E., Wynn-Williams C.G. 1981Astrophys. J 244, 869.
Elmegreen B.G. 1989Astrophys. J 338, 178.
Erickson N.R. et al. 1982Astrophys. J 261, L103.
Evans N.J. II, Zuckerman B., Sato T, Morris M. 1975Astrophys. J 199, 383.
Falgarone E., Puget J.L. 1986Astron. Astrophys. 162, 235.
Falgarone E., Perault M. 1987 p59 in “Physical Processes in Interstellar Clouds” (ed. Morfill G.E., Scholer M.) (publ.Reidel) NATO ASI Series Vol.210.
Fiebig D., Güsten R. 1989Astron. Astrophys. (in press)
Fleck R.C. 1980Astrophys. J 242, 1019.
Fleck R.C. 1981Astrophys. J 246, L151.
Frerking M.A., Langer W.D., Wilson R.W. 1982Astrophys. J 262, 590.
Frerking MA., Langer W.D., Wilson R.W. 1987Astrophys. J 313, 320.
Fukui Y. et al. 1986Astrophys. J 311, L85.
Fuller G.A., Myers P.C. 1987 pl37 in “Physical Processes in Interstellar Clouds” (ed. Morfill G.E., Scholer M.) (publ.Reidel) NATO ASI Series Vol 210.
Garden R., Geballe T.R., Gatley I, Nadeau D. 1986Mon. Not. Roy. Astr. Soc. 220, 203.
Gatley I., Becklin E.E., Sellgren K., Werner M.W. 1979Astrophys. J 233, 575.
Gautier T.N. III, Fink U., Treffers R., Larson H.P. 1976Astrophys. J 207, L129.
Genzel R. 1986 in “Masers,Molecules, and Mass Outflows”, (ed. A.D.Haschick) (publ. Haystack Observatory)
Genzel R. et al. 1982Astrophys. J 255, 527.
Genzel R., Harris A.I., Jaffe D.T., Stutzki J. 1988Astrophys. J 332, 1049.
Genzel R., Stutzki J. 1989Ann. Rev. Astron. Astrophys. (in press)
Glassgold A.E., Huggins P.J., Schucking E.L. 1982 “Symposium on the Orion Nebula to honor Henry Draper”, Annals of the New York Academy of Science,Vol. 395
Goldreich P., Kwan J. 1974Astrophys. J 189, 441.
Goldsmith P.F. 1988 in “Molecular Clouds in the Milky Way and in External Galaxies” (ed. Dickman R.L., Snell R.L., Young J.S.) (publ. Springer-Verlag), Lecture Notes in Physics,315,pl.
Goldsmith P.F, Snell R.L, Hasegawa T., Ukita N. 1987Astrophys. J 314, 525.
Guélin M. 1987 in “Astrochemistry”, (ed. M.S.Vardya, S.Tarafdar) (publ. D.Reidel) IAU Symposium 120, pl71.
Guilloteau S, Stier M.T, Downes D. 1983Astron. Astrophys. 126, 10.
Güsten R, Fiebig D. 1988Astron. Astrophys. 204, 253.
Güsten R. 1989 to appear in IAU Symp. 136 (ed. M. Morris).
Gwinn C, Moran J.M., Reid M.J, Schneps M., Genzel R., Downes D. 1989 to appear in Proc. of IAU Symp. 136 (ed. M. Morris)
Harris A, Townes C.H., Matsakis D.N, Palmer P. 1983Astrophys. J 265, L63.
Harris A.I. et al. 1987Astrophys. J 322, L49.
Heiles C. 1987 in “Interstellar Processes” (Edited by Hollenbach D.J., Thronson H.A.,Jr.) (publ. D.Reidel)
Henkel C.,Walmsley CM., Wilson T.L. 1980Astron. Astrophys. 82, 41.
Hermsen W, Wilson T.L, Bieging J.H. 1988Astron. Astrophys. 201, 176.
Hildebrand R.H. 1983Quart. J. Roy. Aston. Soc. 24, 267.
Hirano N.,Kameya O., Nakayama M., Takakubo K. 1988Astrophys. J 327, L69.
Ho P.T.P., Genzel R., Das A. 1983Astrophys. J 266, 596.
Ho P.T.P, Townes C.H. 1983Ann. Rev. Astron. Astrophys. 21, 239.
Hollenbach D.J., Werner M.W, Salpeter E.E. 1971Astrophys. J 163, 165.
Jaffe D, Becklin E.E, Hildebrand R.H. 1984Astrophys. J 279, L51.
Johnston K.J., Palmer R. Wilson T.L., Bieging J.H. 1983Astrophys. J 271, L89.
Johnston K.J., Henkel C, Wilson T.L. 1984Astrophys. J 285, L85.
Keene J. et al. 1983Astrophys. J 274, L43.
Kutner M.L., Tucker K.D., Chin G., Thaddeus P. 1977Astrophys. J 215, 521.
Kwan J., Sanders D.B. 1986Astrophys. J 309, 783.
Lada C.J. 1988 in Galactic and Extragalactic Star Formation (ed. R.E.Pudritz,M.Fich) (publ. D.Reidel)
Larson R.B. 1981Mon. Not. Roy. Astr. Soc. 194, 809.
Leung C.M., Brown R.L. 1977Astrophys. J 214, L73.
Leung C.M., Kutner M.L., Mead K.N. 1982Astrophys. J 262, 583.
Lis D.C., Goldsmith P.F. 1989Astrophys. J 337, 704.
Lizano S, Shu F.H. 1987. pl73 in “Physical Processes in Interstellar Clouds” (ed. Morfill G.E., Scholer M.) (publ. Reidel) NATO ASI Series Vol 210.
Loren R.B., Wootten A., Sandqvist Aa, Bernes C. 1980Astrophys. J 240, L165.
Loren R.B., Sandqvist Aa, Wootten A. 1983Astrophys. J 270, 620.
Lovas F.J. 1986J.Phys.Chem.Ref.Data 15, 251.
Lynds B.T. 1962Astrophys. J. Suppl. 7, 1.
Madden S.C., Irvine W.M., Matthews H.E., Brown R.D., Godfrey P.D. 1986Astrophys. J 300. L79.
Maloney P. 1988Astrophys. J 334, pp 761.
Mangum J.G., Wootten A., Mundy L.G. 1988 Poster paper at the Symposium on Submillimeter and Millimeter Astronomy, Kona, Hawaii, Oct. 88.
Margulis M., Lada C.J. 1985Astrophys. J 299, 925.
Margulis M., Lada C.J., Snell R.L. 1988Astrophys. J 333, 316.
Martin H.M., Sanders D.B., Hills R.E. 1984Mon. Not. Roy. Astr. Soc. 208, 35.
Martin-Pintado I., Wilson T.L., Gardner F.F., Henkel C. 1983Astron. Astrophys. 117, 145.
Martin-Pintado I., Wilson T.L., Johnston K.J., Henkel C. 1985Astrophys. J 299, 386.
Massi M., Churchwell E., Felli M. 1988Astron. Astrophys. 194, 116.
Masson C.R. et al. 1984Astrophys. J 283, L37.
Masson C.R. et al. 1985Astrophys. J 295, L47.
Masson C.R., Mundy L.G. 1988Astrophys. J 324, 538.
Mauersberger R., Henkel C., Wilson T.L., Walmsley C.M. 1986Astron. Astrophys. 162, 199.
Mauersberger R., Henkel C., Wilson T.L. 1987Astron. Astrophys. 173, 352.
Menten K.M., Walmsley C.M., Henkel C., Wilson T.L. 1986Astron. Astrophys. 157, 318.
Menten K.M., Serabyn E., Güsten R., Wilson T.L. 1987Astron. Astrophys. 177, L57.
Menten K.M et al. 1988Astrophys. J 333, L83.
Menten K.M., Harju J., Olano C.A., Walmsley C.M. 1989Astron. Astrophys. (in press)
Mezger P.G., Chini R., Kreysa E., Gemünd H.P. 1986Astron. Astrophys. 160, 324.
Mezger P.G., Chini R., Kreysa E., Wink J.E., Salter C.J. 1988Astron. Astrophys. 191, 44.
Migenes V., Johnston K.J., Pauls T.A., Wilson T.L. 1989Astrophys. J (in press)
Moriarty-Schieven G.H. et al. 1987Astrophys. J 319, 742.
Mundy L., Snell R.L., Evans, N.J. II, Goldsmith P.F., Bally J. 1986aAstrophys. J 306, 670.
Mundy L.G., Wilking B.A., Myers S.T. 1986bAstrophys. J 311, L75.
Mundy L.G, Evans N.J. II, Snell R.L., Goldsmith P.F. 1987Astrophys. J 318, 392.
Mundy L.G. et al. 1988Astrophys. J 325, 382.
Myers P.C. 1983Astrophys. J 270, 105.
Myers P.C. 1987 p33 in “Star Forming Regions”, IAU Symposium 115, (ed. Peimbert M, Jugaku J.) (publ. D. Reidel)
Myers P.C., Goodman A.A. 1988aAstrophys. J 326, L27.
Myers P.C., Goodman A.A. 1988bAstrophys. J 329, 392.
Norman C., Silk J. 1980Astrophys. J 238, 158.
Olofsson H., Ellder J., Hjalmarson A., Rydbeck G. 1982Astron. Astrophys. 113, L18.
Padin S. et al. 1989Astrophys. J 337, L45.
Perault M., Falgarone E., Puget J.L. 1985Astron. Astrophys. 152, 371.
Plambeck R.L., Wright M.C.H. 1987Astrophys. J 317, L101.
Reid M.J. et al. 1980Astrophys. J 239, 89.
Reid M.J., Moran J.M. 1981Ann. Rev. Astron. Astrophys. 19, 231.
Reid M.J., Myers P.C., Bieging J.H. 1987Astrophys. J 312, 830.
Reid M.J. et al. 1988Astrophys. J 330, 809.
Riegel K.W. 1967Astrophys. J 148, 87.
Sanders D.B., Scoville N.Z., Solomon P.M. 1985Astrophys. J 289, 373.
Sargent A.I., Beckwith S. 1987Astrophys. J 323, 294.
Sargent A.I., Beckwith S, Keene J, Masson C. 1988Astrophys. J 333, 936.
Scalo J.M. 1987 in “Interstellar Processes” (Edited by Hollenbach D.J., Thronson H.A., Jr.) (publ. D. Reidel).
Scalo J.M., 1988 in “Molecular Clouds in the Milky Way and External Galaxies” (ed. Dickman R.L., Snell R.L., Young J.S.) (publ. Springer-Verlag) Lecture Notes in Physics 315, p 201.
Scoville N.Z., Solomon P.M. 1973Astrophys. J 180, 31.
Scoville N.Z., Solomon P.M. 1974Astrophys. J 187, L67.
Scoville N.Z., Solomon P.M. 1975Astrophys. J 199, L105.
Scoville N.Z., Solomon P.M., Penzias A.A. 1975Astrophys. J 201, 352.
Shu F.H., Adams F.C., Lizano S. 1987Ann. Rev. Astron. Astrophys. 25, 23.
Silk J, Norman C 1980 IAU Symposium 87 on “Interstellar Molecules”, p 165, (ed. B.H. Andrew) (publ. Reidel)
J. Silk 1985Astrophys. J 292, L71.
Snell R.L., Loren R.B. 1977Astrophys. J 211, 122.
Snell R.L., Mundy L., Goldsmith P.F., Evans N.J. II, Erickson N.R. 1984Astrophys. J 276, 625.
Snyder L.E., Buhl D., Zuckerman B., Palmer P. 1969Phys. Rev. Lett. 22, 679.
Solomon P., Wickramasinghe N.C. 1969Astrophys. J 158, 449.
Solomon P.M., Rivolo A.R. 1987 in “The Galaxy” (ed. Gilmore G., Carswell B.) (publ. Reidel)
Solomon P.M., Rivolo A.R., Barrett J., Yahil A. 1987Astrophys. J 319, 730.
Spitzer L. Jr., Jenkins E.B.Ann. Rev. Astron. Astrophys. 13, 133.
Spitzer L., Jr. “Physical Processes in the Interstellar Medium”, (publ. John Wiley)
Stark A.A., Bania T.M. 1986Astrophys. J 306, L17.
Stecher T.W., Williams D.A. 1967Astrophys. J 149, L29.
Strong A.W. 1987 p75 in “Physical Processes in Interstellar Clouds” (ed. Morfill G.E., Scholer M.) (publ. D. Reidel), NATO ASI Series, Vol 210.
Thompson A.R., Moran J.M., Swenson G.W. 1986 “Interferometry and Synthesis in Radio Astronomy” (publ. Wiley)
Thronson H.A. et al. 1984Astrophys. J 280, 154.
Turner J.L., Welch W.J. 1984Astrophys. J 287, L81.
Uchida Y et al. 1987Publ. Astron. Soc. Japan 39, 907.
Ungerechts H., Thaddeus P. 1987Astrophys. J. Suppl. 63, 645.
Vanden Bout P.A., Loren R.L., Snell R.L., Wootten A. 1983Astrophys. J 271, 161.
van Dishoeck E.F., Black J.H. 1987 in “hysical Processes in Interstellar Clouds” (ed. Morfill G.E., Scholer M.) (publ. D. Reidel), NATO ASI Series, Vol 210.
van Dishoeck E.F., Black J.H. 1988Astrophys. J 334, 771.
Vogel S.N., Genzel R., Palmer P. 1987Astrophys. J 316, 243.
Wadiak E.J., Wilson T.L., Rood R.T., Johnston K.J. 1985Astrophys. J 295, L143.
Walker R.C. 1984Astrophys. J 280, 618.
Walker C.K., Lada C.J., Young E.T., Maloney P.R., Wilking B.A. 1986Astrophys. J 309, L47.
Walmsley CM. 1985Physica Scripta T11, 27.
Walmsley C.M., Baudry A., Guilloteau S., Winnberg A. 1986bAstron. Astrophys. 167, 151.
Walmsley C.M., Wilson T.L. 1985 in “Nearby Molecular Clouds”, (ed. G. Serra) (publ. Springer-Verlag), Lecture Notes in Physics,237.
Walmsley C.M. 1987 pl61 in “Physical Processes in Interstellar Clouds” (ed. Morfill G.E., Scholer M.)(publ. D. Reidel), NATO ASI Series 210.
Walmsley C.M., Güsten R., Angerhofer P., Churchwell E., Mundy L. 1986aAstron. Astrophys. 155, 129.
Walmsley C.M. 1988 in “Galactic and Extragalactic Star Formation”, (ed. R. Pudritz, M. Fich) (pub!. D. Reidel), NATO ASI Series, C232.
Walmsley C.M. 1989 Review at IAU Symposium 135, (to be published).
Welch W.J., Dreher J.W, Jackson J.M, Terebey S, Vogel S.N. 1987Science 238, 1550.
Werner M.W., Harwit M. 1968Astrophys. J 154, 881.
Whitcomb S.E. et al. 1981Astrophys. J 246, 416.
White G.J., Phillips J.P., Watt G.D. 1981Mon. Not. Roy. Astr. Soc. 197, 745.
Wilking B.A., Lada C.J. 1983Astrophys. J 274, 698.
Wilking B.A, Claussen M.J. 1987Astrophys. J bf 320, L137.
Wilson T.L., Martin-Pintado J, Gardner F.F., Henkel C. 1982aAstron. Astrophys. 107, L10.
Wilson T.L. et al. 1982bAstron. Astrophys. 115, 185.
Wilson T.L., Serabyn E., Henkel C. 1986Astron. Astrophys. 167, L17.
Wilson T.L., Johnston K.J. 1989Astrophys. J (in press)
Wilson T.L., Johnston K.J., Henkel C., Menten K.M. 1989Astron. Astrophys. (in press)
Winnewisser G., Churchwell E., Walmsley CM. 1979Astron. Astrophys. 72, 215.
Woody D.P et al. 1989Astrophys. J 337, L41.
Wootten A.H., Loren R.B. 1987Astrophys. J bf317, 220.
Wootten A. 1989Astrophys. J 337, 858.
Wouterloot J.G.A.,Walmsley C.M., Henkel C. 1988Astron. Astrophys. 203, 367.
Wright M.C.H., Vogel S.N. 1985Astrophys. J 297, L11.
Wynn-Williams C.G. 1982Ann. Rev. Astron. Astrophys. 20, 587.
Zeng Q., Batrla W., Wilson T.L. 1984Astron. Astrophys. 141, 127.
Zinnecker H. 1984Mon. Not. Roy. Astr. Soc. 210, 43.
Zuckerman B., Palmer P. 1974Ann. Rev. Astron. Astrophys. 12, 279.
Zuckerman B., Evans N.J. II 1974Astrophys. J 192, L149.
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Wilson, T.L., Walmsley, C.M. Small-scale clumping in molecular clouds. The Astron Astrophys Rev 1, 141–176 (1989). https://doi.org/10.1007/BF00872714
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DOI: https://doi.org/10.1007/BF00872714