Optical identification and observation of the IRAS LRS sources. I - Sources with silicate feature in the region alpha between 0 H and 12 h, delta between 0 deg and 66 deg

Details Optical identification and observation of the IRAS LRS sources. I - Sources with silicate feature in the region alpha between 0 H and 12 h, delta between 0 deg and 66 deg Optical identification and observation of the IRAS LRS sources. I - Sources with silicate feature in the region alpha between 0 H and 12 h, delta between 0 deg and 66 deg

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992cha%26a..16..416j&link_type=abstract

Chinese Astronomy and Astrophysics (ISSN 0275-1062) Translation., vol. 16, no. 4, p. 416-426.

Astronomy and Astrophysics

Astronomy

5

Infrared Astronomy Satellite, Infrared Photometry, Silicates, Stellar Envelopes, Variable Stars, Visual Observation, Asymptotic Giant Branch Stars, Broadband, Color-Color Diagram, Spectral Bands

Scientific paper

Unidentified 2n and 3n IRAS Low-Resolution Spectra (LRS) sources in the region of alpha between 0 and 12 h and delta between 0 deg and 66 deg are studied. Their identification charts and near-infrared photometric results are presented. Based on the positions in the near-infrared and far-infrared color-color diagrams, and on the LRS characteristics and visibilities in O and E POSS plates, their evolutionary nature were discussed. The results show that most of the sources are AGB or RGB stars except several sources which are discussed individually.

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