Appendix A. Accepted Copernicus Guest Investigator Programs

       Guest Investigator(s)                       Description of Program

1.  Y. Kondo, N.A.S.A. Johnson Space       Investigation of the MgII Resonance
      Center                               Doublet in Early Type Stars. 
    J.L. Modisette, Houston Baptist      
      College

2.  S.R. Heap, Goddard Space Flight        Study of the UV Spectrum of
      Center                               Gamma Peg.

3.  S.R. Heap, Goddard Space Flight        Study of the UV Spectrum of Zeta
      Center                               Tau.

4.  M. Hack, Trieste                       Studies of Early Type Supergiants.
    R. Stalio, Trieste
    D.C. Morton, Princeton

5.* J. Linsky, University of               Observations of Emission Lines in
      Colorado                             Late-Type Stars - K Stars.
    W. Moos, Johns Hopkins
      University
R.C. Henry, Johns Hopkins
      University

6.  A. Underhill, Goddard Space Flight     A Study of Supergiant Spectra.
      Center
    D.C. Morton, Princeton

7.  T.P. Stecher, Goddard Space Flight     Mass Loss Models of Gamma(2) Vel.
      Center
    D. West, Goddard Space Flight Center
    D.C. Morton, Princeton

8.  Y. Kondo, N.A.S.A. Johnson Space       Investigation of Mass Flow in Close
      Center                               Binaries.
    G. McCluskey, Lehigh University

9.  L. Kamp, Goddard Space Flight Center   Ultraviolet Stellar Silicon Lines in
                                	   Tau Sco.

10. S.R. Pottasch, Kapteyn Astronomical    Determination of the Oscillator
      Observatory                          Strengths of FeII Far UV Lines.
    D.C. Morton, Princeton

11. L. Wallace, Kitt Peak National Obser-  Measurement of the Profile of Ly-
      vatory                               Reradiation from Jupiter.
    E.B. Jenkins, Princeton

12. G. Wallerstein, University of          Observation of Interstellar Lines
      Washington                           from Stars behind the Supernova
    J. Silk, Berkeley                      Vela-X.
    E.B. Jenkins, Princeton

13. T.P. Stecher, Goddard Space Flight     Abundance of Interstellar Boron.
      Center

14.*D. Leckrone, Goddard Space Flight      Ultraviolet Spectrophotometry of
      Center                               Bp, Ap, and Magnetic Variable
                                           Stars.

15. H.M. Johnson, Lockheed                 Comparison of IR and Radio Observa-
    T.P. Snow, Princeton                   tions of Nebulae with UV Data for
                                           the Exciting Stars.

16.*M. Hack, Trieste                       Comparison of Ap and Bp Stars of
    R. Stalio, Trieste                     Mn and Si.

17. F.B. Wood, University of Florida       Spectrophotometric Observations of
    K.Y. Chen, University of Florida       Beta Per on the Copernicus
                                           Satellite.

18. H. Spinrad, Berkeley                   Near UV Studies of F and K Dwarfs
    D.C. Morton, Princeton                 for Comparison with Redshifted
                                           Spectra of Galaxies.

19.*A. Dupree, Harvard University          Chromospheric Emission in G-Type
    R. Noyes, Harvard University           Stars.

22. P. Swings, Liege                       Observations of Stars which Show
                                           Anomalies in Data from the European
                                           Satellite TD1. a) The FeIII lines
                                           from 1900-2000 Å. b) The SiII and
                                           CIV lines 1526-1551 Å. c) Observa-
                                           tions of Unusual Features in A 
                                           Stars.

23. H.J. Lamers, Utrecht                   Investigation of the MgII Resonance
                                           Doublet in Early Type Stars.

24. M. Plavec, UCLA                        Observations of Shell Stars.

25. R. Bonnet, C.N.R.S., France            Study of the H/D Ratio in the Inter-
    A. Vidal Madjar, C.N.R.S., France      stellar Medium.

26.*M. Hack, Trieste                       Study of Beta Lyr at Four Phases.
    J.B. Hutchings, Dominion Astro-
      physical Observatory
    Y. Kondo, NASA Johnson Space
      Center
    G. McCluskey, Lehigh University
    M. Plavec, UCLA

27. R.C. Bohlin, Goddard Space Flight      Study of Interstellar Lyman-
      Center                               Absorption.

28. J. Hutchings, Dominion Astro-          Study of Mass Flow in OB Super-
      physical Observatory                 giants.
    D.C. Morton, Princeton

29. F. Praderie, Institut d'Astro-         Study of Chromospheric Emission in
      physique                             A-stars.

30. D.L. Lambert, University of            Observations of Emission Lines in
      Texas, Austin                        M Supergiants.

31. D.D. Meisel, State University          Detailed Comparison of HI, HeI, and
      College at Geneseo                   OI Line Profile Sets in Early-Type
                                           Star Spectra.

32. F.H. Chaffee, Smithsonian Astro-       Determination of the Electron
      physical Observatory                 Density in the Perseus II Cloud.
    D.C. Morton, Princeton


33. H.M. Johnson, Lockheed                 General Characteristics of
    D.C. Morton, Princeton                 Wolf-Rayet Stars.

34. S.R. Pottasch, Kapteyn Observatory     Determination of Stellar Lyman
    A.G. Smeding, Kapteyn Observatory      Alpha and Beta Profiles and
    R.C. Bohlin, Goddard Space Flight      Equivalent Widths in Early-Type
      Center                               Stars.

35. J.M. Marlborough, Dominion Astro-      Study of Be Stars in the Ultraviolet
      nominal Observatory                  Below 3000 Å.

36. J.L. Bertaux, CNRS, France             A Study of Geocoronal Lyman Alpha
    J.E. Blamont, CNRS, France             Emission.
    J.F. Drake, Princeton

37. J.L. Bertaux, CNRS, France             A Study of Lyman Alpha Emission in
    H.U. Keller, L.A.S.P. (University      Comet Kohoutek.
      of Colorado)
    B. Donn, Goddard Space Flight
      Center (non-OAO G.I.)
    J.F. Drake, Princeton
    E.B. Jenkins, Princeton

38. E. Peytremann, University de Mons      Ultraviolet Line Profiles of Slow-
                                           Rotating B Stars.

39. J.B. Lester, Smithsonian Astro-        A Determination of the Light Ion
      physical Observatory                 Rotating B Stars.

40. S.B. Parsons, University of            Chlorine Abundances in Early-Type
      Texas, Austin                        Stars.

41. S.J. Adelman, Goddard Space            Study of the UV Spectrum of Tau
      Flight Center (non-OAO G.I.)         Hercules.

42. R. Kurucz, Center for Astrophysics     Line-Blanketing in Vega and Sirius.

43. W.M. Burton, Culham                    A Study of the Extended Atmosphere
    R.G. Evans, Culham                     Associated with a Shell Star.

44. R.A. Bell, University of               Line-Blocking Measurements in the
      Maryland                             Ultra-Violet Spectra of Sirius,
    W.L. Upson, Princeton                  Procyon, and Canopus.

45. S.R. Pottasch, Kapteyn Observa-        Multiple Interstellar Cloud Com-
      tory                                 ponents in Bright O-B Stars.
    J.F. Drake, Princeton

46. A.B. Underhill, Goddard Space          A Study of the UV Spectrum of Zeta
      Flight Center                        Puppis.
    D.C. Morton, Princeton

47. R. Bohlin, Goddard Space Flight        A Study of Interstellar Hydrogen:
      Center                               Atomic and Molecular.
    B. Savage, University of
      Wisconsin
    J.F. Drake, Princeton

48. J.N. Bahcall, Institute for Advanced   Ultraviolet Study of Interacting and
      Studies                              Peculiar Spectroscopic Binaries.
    N.A. Bahcall, I.A.S.
    J.I. Katz, I.A.S.
    D.G. York, Princeton

49. J.W. Bahcall, I.A.S.                   Spectroscopic Study of X Per.
    N.A. Bahcall, I.A.S.
    D.G. York, Princeton

50. J.N. Bahcall, I.A.S.                   Ultraviolet Study of a Candidate for
    N.A. Bahcall, I.A.S.                   3U0750-49.
    D.G. York, Princeton

51. A.D. Code, University of               Calibration of Far-UV Stellar
      Wisconsin                            Fluxes.
    R.C. Bless, University of
      Wisconsin

52. A.M. Boesgaard, University of          A Search for Boron in Ap Stars.
      Hawaii

53. H.L. Shipman, University of            Stellar Beryllium and Boron
      Delaware                             Abundancs.

54. G.J. Peters, UCLA                      Far-UV Spectra of Pole-On Be Stars.

55. A.A. Boyarchuk, Crimean Astro-         Short-Lived and Heavy Elements in
      physical Observatory                 Stellar Atmospheres.
    A.H. Severny, Crimean Astro-
      physical Observatory
    T.P. Snow, Princeton

56. E.L. Wright, Center for Astro-         Study of HD in the Line of Sight
      physics                              Zeta Ophiuchi.
    D.C. Morton, Princeton  

57. P.L. Bernacca, Padova (Italy)          A Study of the Spectroscopic Binary
                                           Theta(2) Ori A.

58. J. Caldwell, Princeton (non-OAO)       Wavelength Calibration of WEP Plane-
                                           tary Observations.

59. D. Klinglesmith, Goddard Space         UV Observations of Alpha Centauri.
      Flight Center

60. G. Riegler, Bendix Aerospace           Study of UV Geocoronal Airglow.
    J.F. Drake, Princeton

61. M. Savedoff, University of             Radius and Composition of Sirius B.
      Rochester
    H.M. van Horn, University of
      Rochester

62. K. van der Hucht, Ultrecht             A Study of Carbon Lines in Early
    N. Sakhibullin, Kazan State U.         Type Stars.

63. H. Wischnia, Perkin-Elmer              An Intragalactic Laser Beacon Exper-
                                           iment.

64. A. Penzias, Bell Telephone             A Study of CO in the Line of Sight
      Laboratories                         to Zeta Ophiuchi.
    P. Wannier, Bell Telephone
      Laboratories
    E.B. Jenkins, Princeton

65. E.H. Pinnington                        A Search for Interstellar Fluorine.
    D.C. Morton, Princeton

66. G. Hill, Dominion Astrophysical        A Study of Beta Cephei Stars.
      Observatory
    J.B. Hutchings, Dominion Astro-
      physical Observatory

67. S. Heap, Goddard Space Flight          Comparison of UV Spectra of Rapidly
      Center                               and Slowly Rotating O and B Stars.

68. R. McCray, J.I.L.A. (University        Spectral Observations of the 1240 Å
      of Colorado)                         NV UV Resonance Lines.
    B. Savage, J.I.L.A. (University
      of Wisconsin)

69. K. deBoer, Groningen                   Study of Interstellar CI in Zeta
    D.C. Morton, Princeton                 Pup.

70. T. Snijders, Goddard Space Flight      MgII Lines in the Spectrum of
      Center                               Theta(2) CMa.

71. J. Lesh, University of Denver          Line Profile Variations in Beta
                                           Cephei Stars.

72. P. Conti, J.I.L.A. (University         Study of Oe Stars.
      of Colorado)

73. J. Levine, NASA Langley                Martian Lyman Alpha Emission Near
    D.S. McDougal, NASA Langley            Solar Minimum.

74. G. Riegler, Bendix Aerospace           Atmospheric Absorption: Chlorine and
    J.F. Drake, Princeton                  Ozone.

75. T. Adams, University of Chicago        Diffuse Lyman Alpha Sky Background.