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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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Miembro de los siguientes grupos:
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Datos observacionales y astrométricos
| Constelación: | Águila |
| Ascensión Recta: | 19h03m47.60s |
| Declinación: | +12°44'47.8" |
| Magnitud Aparente: | 8.705 |
| Movimiento Propio en Ascensión Recta: | 2.2 |
| Movimiento Propio en Declinación: | 0.7 |
| B-T magnitude: | 8.907 |
| V-T magnitude: | 8.722 |
Catálogos y designaciones:
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