Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994exa.....3..163l&link_type=abstract
Experimental Astronomy, vol. 3, no. 1-4, p. 163-164
Astronomy and Astrophysics
Astronomy
A Stars, Astronomical Spectroscopy, B Stars, Companion Stars, Emission Spectra, Far Infrared Radiation, Infrared Astronomy, Infrared Imagery, Star Formation, Stellar Envelopes, Stellar Spectra, Astronomical Photography, Cameras, Infrared Telescopes
Scientific paper
The region around the Herbig Ae/Be star LKH-alpha198 was imaged at 10 micrometer with the CAMIRAS camera at the Canada-France-Hawaii Telescope and the Nordic Optical Telescope. We discovered a deeply embedded companion 6 sec north of LKH-alpha198, which may be responsible for most of the far-infrared emission in the region and for driving the molecular flow. LKH-alpha198 appears point-like at our resolution (full width at half maximum of approximately 1.3 sec), excluding an extended envelope of transiently heated small grains as the dominant origin of the mid-infrared excess in that star.
Cabrit Silvie
Cesarsky Catherine
Lagage Pierre Olivier
Nordh L.
Oloffson Goran
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