Near-infrared photometry of late-type stars with balloon-borne telescope

Details Near-infrared photometry of late-type stars with balloon-borne telescope Near-infrared photometry of late-type stars with balloon-borne telescope

Nov 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978tokab.256.2939k&link_type=abstract

Tokyo Astronomical Observatory, Tokyo Astronomical Bulletin, Second Series, no. 256, Nov. 1, 1978, p. 2939-2943.

Astronomy and Astrophysics

Astronomy

Balloon-Borne Instruments, Infrared Astronomy, Infrared Photometry, Late Stars, Near Infrared Radiation, Stellar Spectrophotometry, Telescopes, Spectral Energy Distribution, Tables (Data)

Scientific paper

Results are presented for four-color near-IR photometry of 17 late-type stars, which was performed by using a balloon-borne 15-cm reflector and PbS detector. The pass bands employed have effective wavelengths of 1.28, 1.58, 1.87, and 2.22 microns. Photometric data corrected for sensitivity variation are provided, along with natural magnitudes derived with the aid of the emergent flux of a model atmosphere for Alpha CMa with an effective temperature of 10,000 K and log g of 4.0. Relative spectral energy distributions are plotted which indicate that the energy-distribution gradient diminishes systematically from early to late spectral type.

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