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Strömgren and Hβ photometry of O and B type stars in star-forming regions. I. Canis Major - Puppis - Vela
Strömgren and Hβ photometry of OB-stars generally brighterthan 9.5 mag in the Canis Major - Puppis - Vela region of Milky Way isreported. The observations are based on the Milky Way luminous-star (LS)identifications and are designed to create a complete, magnitude-limitedsample of LS for this field. We present new uvby photometry for 127 LSand Hβ photometry for 25 of them. These observations are part of anongoing effort to improve the completeness of the existing uvbybetadata-base for the bright OB-type stars in the Milky Way, with the aim toinvestigate the structure of selected star-forming regions. Based ondata from the Strömgren Automatic Telescope of the CopenhagenAstronomical Observatory, La Silla. Tables 3 and 4 are only available inelectronic form at the CDS via anonymous ftp to 130.79.128.5 or viahttp://cdsweb.u-strasbg.fr/Abstract.html
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Osservazione e dati astrometrici
| Costellazione: | Scultore |
| Ascensione retta: | 00h16m23.43s |
| Declinazione: | -34°49'45.5" |
| Magnitudine apparente: | 9.049 |
| Moto proprio RA: | -38.8 |
| Moto proprio Dec: | -5.3 |
| B-T magnitude: | 9.781 |
| V-T magnitude: | 9.11 |
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