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Photometry of F-K type bright giants and supergiants. I - Intermediate band and H-Beta observations
Over 1500 observations of 560 bright giants and supergiants of types F-Kare presented and compared to the observations by Gray and Olsen (1991).The present results include intermediate-band which is slightlydifferent from the Stromgren data by Gray and Olsen due to a differentwidth for the v filter. A systematic difference in m(1) - M(1) withdecreasing temperature is noted in the two H-Beta data sets, and thecorrelations are defined.
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Osservazione e dati astrometrici
| Costellazione: | Vele |
| Ascensione retta: | 09h38m06.12s |
| Declinazione: | -56°19'18.2" |
| Magnitudine apparente: | 7.858 |
| Distanza: | 819.672 parsec |
| Moto proprio RA: | -8.8 |
| Moto proprio Dec: | 7.5 |
| B-T magnitude: | 9.374 |
| V-T magnitude: | 7.984 |
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