Abstract

view Abstract Citations (180) References (13) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The nucleus of M31. Light, E. S. ; Danielson, R. E. ; Schwarzschild, M. Abstract The nucleus of M31 was photographed at a resolution of 0.2 sec with the 91-cm balloon-borne Stratoscope II telescope. At the half-intensity level, the nucleus was observed to be elliptical with its major axis lying in position angle of 63 (plus or minus 5) deg. The peak surface brightness was 12.7 plus or minus 0.3 V mag per square second of arc assuming B - V = 1.0. The nucleus appears to be a separate feature from the bulge with a scale height of approximately 0.5 pc. The mass of the nucleus is of the order of 100 million solar masses, and the apparent visual mass-to-light ratio is of the order of 20. Publication: The Astrophysical Journal Pub Date: December 1974 DOI: 10.1086/153241 Bibcode: 1974ApJ...194..257L Keywords: Andromeda Galaxy; Astronomical Photography; Galactic Nuclei; Stratoscope Telescopes; Astronomical Models; Balloon-Borne Instruments; Elliptical Galaxies; Galactic Structure; Reference Stars; Transfer Functions; Astrophysics full text sources ADS | data products NED (3)

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