Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aj....105.1045t&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 105, no. 3, p. 1045-1059.
Astronomy and Astrophysics
Astronomy
134
Bolometers, Faint Objects, Infrared Photometry, Infrared Spectra, Molecular Absorption, Stellar Spectra, Absorption Spectra, Charge Coupled Devices, Infrared Absorption, Stellar Atmospheres, Stellar Spectrophotometry, Stellar Temperature
Scientific paper
Infrared JHKLL-prime photometry, and low resolution IF spectra are presented for the faintest stars. The stellar H2O bands which dominate the atmospheres of these stars were studied. L band fluxes of these stars are considerably depressed relative to L prime fluxes by the presence of stellar H2O absorption. Strong H2O absorption is observed in these infrared spectra. The amount of flux which is 'overcounted' when H2O absorption bands are ignored is examined. Bolometric fluxes are calculated using broadband photometry alone, requiring a correction of only approximately 5 percent to 10 percent. Photometric and spectral data is used to evaluate bolometric corrections and magnitudes of a sample of late type M dwarfs.
Mould Jeremy R.
Reid Iain Neill
Tinney Chris G.
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