Distance of nearby galaxies NGC 2366, IC 2574 and NGC 4236 from photographic photometry of their brightest stars

Details Distance of nearby galaxies NGC 2366, IC 2574 and NGC 4236 from photographic photometry of their brightest stars Distance of nearby galaxies NGC 2366, IC 2574 and NGC 4236 from photographic photometry of their brightest stars

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26as...89....1t&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 89, no. 1, July 1991, p. 1-13.

Astronomy and Astrophysics

Astrophysics

26

Astronomical Photography, Astronomical Photometry, Distance, Galaxies, Stellar Luminosity, Supergiant Stars, Astrometry, Astronomical Maps, Blue Stars, Color-Magnitude Diagram, Data Reduction, Galaxies, Supergiants, Photometry, Distances

Scientific paper

The results from B, and V stellar photographic photometry made with the 6 m telescope are presented for the three members of M81 group. The red and blue stars are selected and the average and magnitudes are used as distance indicators. The corresponding true distance moduli for the galaxies NGC 2366, IC 2574 and NGC 4236 are 27m.63, 27m.8O and 27m.36, respectively. They are obtained without accounting for internal light absorption in the galaxies. We expect that the standard deviation of the differential moduli does not exceed 0m.2. Using the new photometric data, we obtain the following distances of the galaxies: 3.4 Mpc (NGC 2366), 3.6 Mpc (IC 2574), and 3.0 Mpc (NGC 4236).

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