Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....88...52d&link_type=abstract
Astronomy and Astrophysics, vol. 88, no. 1-2, Aug. 1980, p. 52-57. Research supported by the Danish Space Board.
Astronomy and Astrophysics
Astrophysics
26
Andromeda Galaxy, Astronomical Photography, Ultraviolet Radiation, B Stars, Balloon-Borne Instruments, Brightness, H Ii Regions, O Stars, Spiral Galaxies
Scientific paper
A UV(2000 A) picture of the Andromeda galaxy (M31) was obtained from a balloon-borne experiment. In addition to the central region of the galaxy, the general spiral structure is seen as a ring which coincides with the distribution of the OB associations and H II regions. The elliptical companion NGC 205 is also barely detected. The fluxes of this galaxy NGC 205 and of NGC 206, a bright association in the spiral structure of M31, are found compatible with their known stellar content. For the central part of M31, the flux is in agreement with previous determinations. Detailed analysis confirms the diffuse aspect of this central region and reveals a well peaked luminosity distribution. Possible origins for the central UV radiation are also discussed.
Deharveng Jean Michel
Jakobsen Peter
Laget Michel
Milliard Bruno
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