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Spectral Classification of Stars in A Supplement to the Bright Star Catalogue
MK spectral types are given for about 584 stars in A Supplement to theBright Star Catalogue. These are compared with Hipparcos parallaxes tocheck the reliability of those classifications. The estimated errors are+/-1.2 subtypes, and 10% of the luminosity classes may be wrong.
| VRI photometry of selected SAO stars
Johnson V, R, and I photoelectric photometry has been obtained for 199SAO stars in support of the Near Infrared Photographic Sky Survey. Thesedata are utilized in the calibration of survey photographs and arepresented here to assist other programs reliant upon access tophotometry in the photographic infrared.
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| Сазвежђа: | Рис |
| Ректацензија: | 07h25m51.96s |
| Deклинација: | +48°32'52.0" |
| Apparent магнитуда: | 6.765 |
| Даљина: | 191.571 parsecs |
| Proper motion RA: | -4.1 |
| Proper motion Dec: | -27.6 |
| B-T magnitude: | 6.695 |
| V-T magnitude: | 6.76 |
Каталог и designations:
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