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Optical observations of ultraviolet objects. II - Classification and photometry /l = 0 to 145 deg/ UBV photometry and MK spectral classification are presented for a sampleof stars originally selected as UV objects from satellite photometrywith the S2/68 experiment. Although most stars of the sample arespectroscopically normal, a number of hot, subluminous stars were alsofound. Radial velocities are given for some of the stars observed. It isproposed that the majority of the apparently normal early B stars athigh galactic latitudes which are not runaway stars are subluminousdisc-population analogues of horizontal branch B stars of Population II.
| Bright Late M-Type Stars Near the Galactic Equator. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1954ApJ...120..118N&db_key=AST
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Gözlemler ve gökölçümü verileri
Takýmyýldýz: | Kartal |
Sað Açýklýk: | 19h03m47.60s |
Yükselim: | +12°44'47.8" |
Görünürdeki Parlaklýk: | 8.705 |
özdevim Sað Açýklýk: | 2.2 |
özdevim Yükselim: | 0.7 |
B-T magnitude: | 8.907 |
V-T magnitude: | 8.722 |
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