Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...406..501n&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 406, no. 2, p. 501-511.
Astronomy and Astrophysics
Astronomy
33
Galactic Nuclei, Infrared Photometry, Infrared Stars, M Stars, Milky Way Galaxy, Near Infrared Radiation, Sky Surveys (Astronomy), Interstellar Extinction, Mira Variables, Silicates, Stellar Luminosity, Supergiant Stars
Scientific paper
Results of a near-IR survey of 0.55 sq deg toward the Galactic center are reported. Additional IR photometry of 50 objects found in this survey was made in order to investigate the nature of luminous stars in the central region of the Milky Way including all sources with K less than 7.6 and H-K not less than 1.4. In addition to candidates for normal M-type stars and long-period variables, four objects whose energy spectra peak at about 5 microns have been detected in a small region around (l, b) = (0.15, 0.0 deg), near the crossing of the 6-cm radio arc with the Galactic plane. These four might be young stellar objects near the Galactic center. It is suggested that the relative depth change in the silicate absorption is localized to a fairly small region around the Galactic center.
Hyland A. R.
Kawara Kimiaki
Nagata Tetsuya
Sato Shuji
Straw Steven M.
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