Further evidence for a circumstellar disk around PV Cephei

Details Further evidence for a circumstellar disk around PV Cephei Further evidence for a circumstellar disk around PV Cephei

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....98.1382v&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 98, Oct. 1989, p. 1382-1387.

Other

9

Astronomical Spectroscopy, Cepheid Variables, Stellar Envelopes, Absorption Spectra, Astronomical Models, Infrared Telescopes, Nasa Programs, Optical Thickness

Scientific paper

Spectra of PV Cephei from 2 to 4 microns reveal a moderately strong 3 micron ice-absorption feature. Normally seen in objects with high visual obscuration, A(V) greater than 10, this absorption in an object with A(V) = 3.5-5.0 suggests the existence of a dense circumstellar disk. This paper discusses the evidence for a disk from this data and other wavelength regions, the possible origin of the 3-micron feature in PV Cephei, and the relationship between this object and other young stellar objects.

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