The CHARA VisiblelIR Array on Mt. Wilson

Small Telescopes with Large Baselines
  • S. T. Ridgway
  • H. A. McAlister
Part of the Astrophysics and Space Science Library book series (ASSL, volume 287/8/9)


Georgia State University has built a six-telescope interferometric array on Mt. Wilson, California, capable of sub-milliarcsecond resolution at visible and near IR wavelengths. Each collecting telescope has an aperture of 1.0-m. This chapter considers the requirements of interferometry and the selection of light collecting telescopes, describes the CHARA Array and its likely scientific program, and attempts to anticipate the future telescope requirements for interferometric arrays.

optical interferometry interferometers telescopes 


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. ten Brummelaar, T.A., Bagnuolo, W.G., McAlister, H.A., Ridgway, S.T., Sturmann, L., Sturmann, J. and Turner, N.H. 2000. A Technical Update on the CHARA Array, Proc. SPIE 4006, 564–573.ADSCrossRefGoogle Scholar
  2. ten Brummelaar, T.A., McAlister, H.A., Ridgway, S.T., Turner, N.H., Sturmann, L., Sturmann, J., Bagnuolo, W.G., and Shure, M.A. 2002. An Update of the CHARA Array, Proc. SPIE 4838, 69–78.CrossRefGoogle Scholar
  3. Lawson, P.R. 2000. Principles of Long-Baseline Stellar Interferometry — Course Notes from the 1999 Michelson Summer School, JPL Publication 00-009.Google Scholar
  4. McAlister, H.A., Bagnuolo, W.G., ten Brummelaar, T.A., Cadman, R., Hopper, C.H., Ridgway, S.T., Simison, E.J., Shure, M.A., Sturmann, L. and Turner, N.H. 2000. The CHARA Array on Mt. Wilson, California, Proc. SPIE 4006,465–471.ADSCrossRefGoogle Scholar
  5. Ridgway, S.T., Bagnuolo, W.G., Blakley, R., ten Brummelaar, T., Ferrell, D.R., McAlister, H.A., Shure, M.A., Simison, EJ., Sturmann, L. and Turner, N.H. 2000. The CHARA Light Pipe and Vacuum System, Proc. SPIE 4006, 696–707.ADSCrossRefGoogle Scholar
  6. Sturmann, L., Ridgway, S.T., Sturmann, J., ten Brummelaar, T.A., Turner, N.H. and McAlister, H.A. 2002. Testing the CHARA Telescopes, Proc. SPIE 4838, 1201–1207.ADSCrossRefGoogle Scholar

Copyright information

© Kluwer Academic Publishers 2003

Authors and Affiliations

  • S. T. Ridgway
    • 1
    • 2
  • H. A. McAlister
    • 3
  1. 1.National Optical Astronomy ObservatoriesTucsonUSA
  2. 2.Georgia State UniversityAtlantaUSA
  3. 3.Georgia State UniversityAtlantaUSA

Personalised recommendations