Journal
ASTRONOMICAL JOURNAL
Volume 140, Issue 5, Pages 1158-1162Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0004-6256/140/5/1158
Keywords
stars: fundamental parameters; stars: general; Sun: fundamental parameters; Sun: general
Categories
Funding
- NSF [AST-0708229]
- Division Of Astronomical Sciences
- Direct For Mathematical & Physical Scien [1007992] Funding Source: National Science Foundation
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When making use of tabulations of empirical bolometric corrections for stars (BCV), a commonly overlooked fact is that while the zero point is arbitrary, the bolometric magnitude of the Sun (M-bol,M-circle dot) that is used in combination with such tables cannot be chosen arbitrarily. It must be consistent with the zero point of BCV so that the apparent brightness of the Sun is reproduced. The latter is a measured quantity, for which we adopt the value V-circle dot = -26.76 +/- 0.03. Inconsistent values of M-bol,M-circle dot are listed in many of the most popular sources of BCV. We quantify errors that are introduced by failure to pay attention to this detail. We also take the opportunity to reprint the BCV coefficients of the often used polynomial fits by Flower, which were misprinted in the original publication.
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