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Photometry of stars in the uvgr system
Photoelectric photometry is presented for over 400 stars using the uvgrsystem of Thuan and Gunn. Stars were selected to cover a wide range ofspectral type, luminosity class, and metallicity. A mean main sequenceis derived along with reddening curves and approximate transformationsto the UBVR system. The calibration of the standard-star sequence issignificantly improved.
| Four-color observations of early-type stars. Standards and secondary standards.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1973ApJ...179..855P&db_key=AST
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sonraki gruplarýn üyesi:
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Kanatli At |
| Sað Açýklýk: | 22h10m49.24s |
| Yükselim: | +13°57'07.7" |
| Görünürdeki Parlaklýk: | 8.835 |
| Uzaklýk: | 342.466 parsek |
| özdevim Sað Açýklýk: | 0.9 |
| özdevim Yükselim: | -4.9 |
| B-T magnitude: | 9.135 |
| V-T magnitude: | 8.86 |
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