Infrared detection of a close cool companion to Van Biesbroeck 8

Details Infrared detection of a close cool companion to Van Biesbroeck 8 Infrared detection of a close cool companion to Van Biesbroeck 8

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...290l...9m&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 290, March 1, 1985, p. L9-L13.

Astronomy and Astrophysics

Astrophysics

54

Companion Stars, Cool Stars, Extrasolar Planets, Infrared Stars, Late Stars, Stellar Mass, Astrometry, Brown Dwarf Stars, Infrared Interferometers

Scientific paper

The authors have detected, via infrared speckle interferometry, a cool object 1arcsec from the very low-luminosity star VB 8, 3 mag fainter than VB 8 at 2.2 μm. Measurements at 1.6 and 2.2 μm give Te = 1360K and (assuming a physical association) R = 0.09 R_sun;, L = 3×10-5L_sun;, consistent with a substellar brown dwarf. These observations may constitute the first direct detection of an extrasolar planet.

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