Spectroscopy of IRAS sources with far IR colors similar to those of planetary nebulae

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/1565

Title:	Spectroscopy of IRAS sources with far IR colors similar to those of planetary nebulae
Authors:	Reddy, B. E Parthasarathy, M
Keywords:	Planetary nebulae Stellar evolution
Issue Date:	1993
Publisher:	Astronomical Society of India
Citation:	BASI, Vol. 21, pp. 605-607
Abstract:	Optical candidates of 17 unidentified IRAS sources with far-infrared colors similar to planetary nebulae have been detected on sky survey plates. Low resolution CCD spectra of seven optical candidates suggests that they are post asymptotic giant branch (AGB) A-F-G supergiants. Their location in the Hertzsprung-Russell (HR) diagram and the presence of detached cold dust shells with far-infrared colors similar to planetary nebulae suggests that they are low mass stars and have been experienced severe mass loss in the recent past during their AGB stage of evolution.
URI:	http://hdl.handle.net/2248/1565
Appears in Collections:	BASI Publications

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