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Far-Ultraviolet Stellar Photometry: Fields Centered on rho Ophiuchi and the Galactic Center
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996ApJS..104..101S&db_key=AST
| The S201 far-ultraviolet imaging survey. III - A field in Sagittarius
Far-ultraviolet imagery of a 20 deg diameter field in Sagittarius,centered near (1950) R.A. 18 h 34 m, decl. -30 deg 25 arcmin, wasobtained by the S201 far-ultraviolet camera during the Apollo 16mission. In a 10-minute exposure covering the 1250-1600 A wavelengthrange, 1034 star images are detectable, with a limiting ultravioletmagnitude of about 10. Most of these objects are identified withearly-type stars listed in the Smithsonian Astrophysical ObservatoryStar Catalog, the Catalog of Stellar Identifications, or both, but 203objects remain unidentified or are identified with late-type stars. Thephotometric measurements appear to be in reasonable agreement with thoseof the International Ultraviolet Explorer for stars in common, and withexpectations for A0 stars. A detailed photometric study was made of theMessier 8 region, and it is concluded that dust-scattered starlightcontributes about half of the total radiation observed from the centralregion of M8.
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Membre dels grups següents:
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Dades d'Observació i Astrometria
| Constel·lació: | Corona Australis |
| Ascensió Recta: | 18h14m06.96s |
| Declinació: | -38°24'43.1" |
| Magnitud Aparent: | 7.245 |
| Distancia: | 273.973 parsecs |
| Moviment propi RA: | 1.8 |
| Moviment propi Dec: | -13 |
| B-T magnitude: | 7.195 |
| V-T magnitude: | 7.241 |
Catàlegs i designacions:
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INHABITED SKY
