descriptionPublicationkeyboard_double_arrow_right Article , Part of book or chapter of book , Other literature type 01 Jan 1997 English Publisher:Cambridge University Press (CUP)Journal:Symposium - International Astronomical Union, volume 189, pages 73-82 (issn: 0074-1809,

Authors: Jeffrey W. Percival; Robert Bless;

doi: 10.1017/s0074180900116523 , 10.1007/978-94-011-5602-8_11

The bolometric luminosities of stars

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Abstract

The total energy emitted by a star is one of its basic parameters. It is also one of the most difficult to determine, requiring space-based as well as ground-based measurements of the absolute flux from stars. We review the current status of these observations in the ultraviolet, visible, and near infrared, and estimate the uncertainties of the absolute flux measurements in these spectral regions. We compare recent determinations of the bolometric luminosity of early-type stars with the first (mostly) empirical results of 20 years ago. We close with a few comments on possible improvements of these measurements in the future.

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