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Photoelectric Photometry of Stars in the Orion Standard Region
Magnitudes and color indices in the Vilnius seven-color photometricsystem are given for 108 stars in the Orion standard region around theOrion Belt and the star lambda Orionis. New spectral and luminosityclasses, estimated from the photometric data, are given for some of thestars.
| The Tokyo PMC catalog 90-93: Catalog of positions of 6649 stars observed in 1990 through 1993 with Tokyo photoelectric meridian circle
The sixth annual catalog of the Tokyo Photoelectric Meridian Circle(PMC) is presented for 6649 stars which were observed at least two timesin January 1990 through March 1993. The mean positions of the starsobserved are given in the catalog at the corresponding mean epochs ofobservations of individual stars. The coordinates of the catalog arebased on the FK5 system, and referred to the equinox and equator ofJ2000.0. The mean local deviations of the observed positions from theFK5 catalog positions are constructed for the basic FK5 stars to comparewith those of the Tokyo PMC Catalog 89 and preliminary Hipparcos resultsof H30.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Baliklar |
| Sað Açýklýk: | 01h10m04.37s |
| Yükselim: | +19°50'16.6" |
| Görünürdeki Parlaklýk: | 8.22 |
| Uzaklýk: | 346.021 parsek |
| özdevim Sað Açýklýk: | 18.9 |
| özdevim Yükselim: | 16.4 |
| B-T magnitude: | 9.437 |
| V-T magnitude: | 8.321 |
Kataloglar ve belirtme:
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