IRAS 17516-2525 - an evolved star or a young stellar object?

Details IRAS 17516-2525 - an evolved star or a young stellar object? IRAS 17516-2525 - an evolved star or a young stellar object?

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...216l...1v&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 216, no. 1-2, June 1989, p. L1-L4.

Astronomy and Astrophysics

Astronomy

13

Infrared Stars, Stellar Envelopes, Stellar Evolution, Stellar Spectrophotometry, Early Stars, Far Infrared Radiation, Infrared Astronomy Satellite, Interstellar Extinction, Planetary Nebulae

Scientific paper

New infrared and radio observations and further analysis of IRAS 17516-2525, whose far-infrared colors suggest that it is a protoplanetary nebula are reported. These include velocity resolved spectroscopy of the Br-alpha line, 6-cm continuum observations, and a search for OH(1612 MHz) emission. In addition, a possible optical counterpart for the object is found. These and previous observations indicate that IRAS 17516-2525 is either an unusual young stellar object or a post-AGB star with a relative high mass loss rate undergoing a rapid transition from the AGB to the planetary nebula phase.

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