A Surface Photometry of Nearby Galaxies: M106, M31 and M33

Details A Surface Photometry of Nearby Galaxies: M106, M31 and M33 A Surface Photometry of Nearby Galaxies: M106, M31 and M33

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jkas...14....1a&link_type=abstract

Journal of Korean Astronomical Society, vol. 14, no. 1, pp. 1-11

Astronomy and Astrophysics

Astronomy

2

Scientific paper

Photoelectric drift scans of nearby galaxies, M106, M31 and M33 have been made at diurnal rate with the 61 cm Cassegrain Reflector at Sobacksan Observing Station. Luminosity profiles of M106 and M31 show the asymmetries between east and west sides of the galaxies and the near side of each galaxy exhibits a larger B-V color than the far side. B-v color distribution in the central part of M106 shows somewhat unusual feature of a blue center with red surrounding regions, and this is an opposite trend to the ordinary color distribution of most of external galaxies. B-V color of M31 is nearly constant in the central part of the galaxy while U-B color decreases as the distance from the center increases.

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