Physics – Optics
Scientific paper
Nov 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...242...63s&link_type=abstract
Astrophysical Journal, Part 1, vol. 242, Nov. 15, 1980, p. 63-65.
Physics
Optics
9
Astronomical Photometry, Cameras, Electro-Optics, Galactic Clusters, Local Group (Astronomy), Star Distribution, Brightness, Charge Coupled Devices, Stellar Luminosity, Stellar Magnitude
Scientific paper
From CCD observations of LGS-3 with an R filter it is found that the R magnitude of the brightest resolved stars is R = 18.3 mag, and the total integrated R magnitude is 14.2 mag. With allowances for interstellar absorption and the assumption of an old stellar population, an absolute visual magnitude of -7.1 mag is determined. Other physical parameters are summarized in tabular form. If the galaxy is at the distance of M33 as suggested previously, it must contain a young stellar population.
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