Narrowband 1-5-MICRON Photometry of A-Type Stars

Details Narrowband 1-5-MICRON Photometry of A-Type Stars Narrowband 1-5-MICRON Photometry of A-Type Stars

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.223..443l&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 223, NO.2/NOV15, P. 443, 1986

Astronomy and Astrophysics

Astronomy

18

Scientific paper

Narrow-band 1 - 5 μm magnitudes have been measured for 25 dwarf stars, of spectral type B8 - A3, relative to Vega. The observations were made at UKIRT using the Imperial College four-channel InSb photometer, and they imply that Vega's J-K, J-L' and J-M colours are normal for an A0 star. Using the absolute calibration of Mountain et al. (1985), this suggests that the infrared fluxes calculated from model atmospheres of A-type stars are too small by 3 - 11 per cent at 2 - 5 μm.

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