Measurement of the absolute flux from VEGA in the K band /2.2 microns/

Details Measurement of the absolute flux from VEGA in the K band /2.2 microns/ Measurement of the absolute flux from VEGA in the K band /2.2 microns/

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.193..111s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 193, Oct. 1980, p. 111-114.

Astronomy and Astrophysics

Astronomy

12

Extremely High Frequencies, Infrared Astronomy, Infrared Stars, Stellar Radiation, Atmospheric Attenuation, Atmospheric Models, Stellar Temperature

Scientific paper

A method is described for determining absolute stellar flux in the infrared, based on a direct comparison between a star and a furnace at a known temperature. Observations have been made of Vega in the K band (2.2 microns) using the Tenerife flux collector. The absolute flux from this star at the earth, reduced to the wavelength 2.20 microns, is found to be 0.375 x 10 to the -9th W/sq m-micron with an uncertainty of 8 per cent.

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