Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26as...89..529g&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 89, no. 3, Sept. 1991, p. 529-536.
Astronomy and Astrophysics
Astrophysics
26
Astronomical Photometry, Color-Magnitude Diagram, Dwarf Galaxies, Stellar Luminosity, Stellar Magnitude, Blue Stars, Charge Coupled Devices, Supergiant Stars, Telescopes
Scientific paper
The magnitudes and colors of the brightest stars in the area of Ho IX were determined from photometric data extracted from the B and V plates obtained with a 6-m telescope. A comparison of the results with data of Sandage (1984), Davidge and Jones (1989), and Hopp and Schulte-Ladbeck (1987) disclosed systematic discrepancies between new and published data. The new color-magnitude diagram was used to select the brightest supergiants. For three red stars and three blue stars of this group, the average values were found to be V(3R) = 19.96 mag and B(3B) = 20.66 mag, respectively.
Bilkina B. I.
Georgiev Ts. B.
Karachentsev Igor D.
Tikhonov Nikolay A.
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