Abstract
view Abstract Citations (63) References (17) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The nature of V645 Cygni = CRL 2789. Cohen, M. Abstract The rocket-infrared source CRL 2789 coincides with a nebulous object containing a starlike condensation known as V645 Cyg. The nebula shows strong optical polarization. It is interpreted as a bipolar nebula whose central star is invisible directly but whose existence is indicated by scattering from the nebulae. Radio continuum emission is detected at millimeter wavelengths, which is consistent with a free-free spectrum. The system contains an O7 star with a substantial stellar wind, is 6 kpc distant from earth, and consists of a nebulosity with a mean density of 4000 per cu cm containing much denser condensations in which dust grains may be forming. In evolutionary terms, CRL 2789 is a young object. Publication: The Astrophysical Journal Pub Date: July 1977 DOI: 10.1086/155386 Bibcode: 1977ApJ...215..533C Keywords: Microwave Spectra; Nebulae; Stellar Evolution; Stellar Spectra; Stellar Winds; Condensation; Cosmic Dust; Millimeter Waves; O Stars; Polarization Characteristics; Radio Sources (Astronomy); Stellar Spectrophotometry; Astrophysics full text sources ADS | data products SIMBAD (5)
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