Infrared photometry and spectroscopy of the brown dwarf candidate PC0025+0447

Details Infrared photometry and spectroscopy of the brown dwarf candidate PC0025+0447 Infrared photometry and spectroscopy of the brown dwarf candidate PC0025+0447

Nov 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....104.2016g&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 104, no. 5, p. 2016-2021.

Astronomy and Astrophysics

Astronomy

16

Brown Dwarf Stars, Infrared Photometry, Infrared Spectroscopy, M Stars, Emission Spectra, Line Spectra

Scientific paper

Infrared photometry and spectroscopy of PC0025 are used to show that this star is a cool K dwarf with T(eff) of about 2000 K. The H2O absorption bands at 1.4 and 1.9 micron are exceptionally prominent and stronger than previously measured in any dwarf. It is concluded that the H2O band strength increases dramatically as T(eff) decreases from 3000 to 2000 K.

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