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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.
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Osservazione e dati astrometrici
| Costellazione: | Andromeda |
| Ascensione retta: | 23h24m46.57s |
| Declinazione: | +44°17'32.7" |
| Magnitudine apparente: | 9.045 |
| Moto proprio RA: | 15.5 |
| Moto proprio Dec: | 0.1 |
| B-T magnitude: | 9.263 |
| V-T magnitude: | 9.063 |
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