NSV 00678
catalogues and names
| catalogues and names | NSV 00678, HR 561, HD 11857, SAO 12065, BD +60 398 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 1h 58min 33.3sec | DEC: +61° 41' 53'' | ||
| position (B1900) | RA: 1h 51min 27.5sec | DEC: +61° 12' 36'' | ||
| proper motion (J2000) | RA: 0.014 arcsec/a | DEC: -0.008 arcsec/a | ||
| radial velocity | 7 km/s note: variable radial velocity |
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| galactic coordinates | longitude: 130.8° | latitude: -0.14° | ||
magnitude
| visual magnitude | 6.02 (V on UBV Johnson system) |
spectral / color information
| spectral class | B5III |
| B-V-magnitude | -0.04 |
| U-B-magnitude | -0.4 |
variability information
| variable star identification | 678 |
| note (category: variability): | 6.00 - 6.30V. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 1h 58min 33.216sec | DEC: +61° 41' 51.7'' | ±0.35 arcsec | source: 17 |
| proper motion (J2000) | RA: 0.0015 arcsec/a | DEC: -0.018 arcsec/a | source: 25 | |
| radial velocity | 7 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 130.8° | latitude: -0.14° | ||
magnitude:
| visual | 6.02 (observed) | source: 25 |
| photovisual | 6.1 | source: 2 |
| photographic | 6 | source: 16 |
spectral information:
| spectral class | B8 | source: 96 | |
| Morgan-Keenan | B5III | source: 25 | |
| B-magnitude | 5.98 ±0.05 | B-V-magnitude | -0.04 |
| U-magnitude | 5.58 ±0.05 | U-B-magnitude | -0.4 |
sources:
| 2 | HD and HDE Catalogs |
| Cannon, A.J., and E.C. Pickering, Harvard Annals, Vols 91-99, 1918-24, Cambridge, Massachusetts: Harvard University; Cannon, A.J., Harvard Annals, Vol. 100, 1925-36, Cambridge, Massachusetts: Harvard University; and Cannon, A.J., and M. Walton Mayall, Harvard Annals, Vol. 112, 1949, Cambridge, Massachusetts: Harvard University | |
| 16 | PPM North and PPM South Catalogs and PPM Supplement |
| Roser, S., and U. Bastian, "Catalogue of Positions and Proper Motions," A&AS, Vol. 74, p. 449, 1988, and Bastian, U., et al., "Catalogue of Positions and Proper Motions - South," 1993 | |
| 17 | ACRS |
| Corbin, T.E., and S.E. Urban, Astrographic Catalog Reference Stars, United States Naval Observatory, 1991 | |
| 25 | Bright Star Catalogue, 5th edition |
| Hoffleit, D. and Warren, W.H. Jr., The Bright Star Catalogue, 5th Revised Edition, Version 2, 1994 | |
| 96 | SAO or HD/HDE Catalog |
| Reference from Value 1 or Reference from Value 2 | |
data from Smithsonian Astrophysical Observatory Star Catalog (SAO Staff 1966; USNO, ADC 1990)
position and proper motion:
| position (B1950) | RA: 1h 54min 59.196sec | DEC: +61° 27' 18.29'' | ±0.071 arcsec |
| position (J2000) | RA: 1h 58min 33.253sec | DEC: +61° 41' 52.56'' | |
| proper motion B1950 (FK4) | RA: 0.0021 arcsec/a | DEC: -0.002 arcsec/a | ±0.015 arcsec/a in RA ±0.015 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.002 arcsec/a | DEC: -0.008 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 6 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | B8 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 2362 |
| Durchmusterung | BD+60 398 |
| Boss General Catalogue | 2362 |
| Henry Draper Catalogue | 11857 |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
| position (equinox 1950.0) | RA: 1h 54min 59.2sec | DEC: +61° 27' 18'' |
variability informations:
| magnitute at max. brightness | 6 |
| magnitute at min. brightness | 6.3 |
| photometric system | visual, photovisual or Johnson's V |
spectral information
| spectral class | B6 |
references
| to a study | 590926D (designation: AG+61 202) |