NSV 00985
catalogues and names
| catalogues and names | NSV 00985, HR 861, HD 17958, SAO 12519, BD +63 369, WDS 02564+6420 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
| position (J2000) | RA: 2h 56min 24.8sec | DEC: +64° 19' 57'' | ||
| position (B1900) | RA: 2h 48min 9.2sec | DEC: +63° 55' 33'' | ||
| proper motion (J2000) | RA: 0.006 arcsec/a | DEC: -0.002 arcsec/a | ||
| radial velocity | -22 km/s | |||
| galactic coordinates | longitude: 135.96° | latitude: 4.67° | ||
magnitude
| visual magnitude | 6.24 (V on UBV Johnson system) |
spectral / color information
| spectral class | K3Ib |
| B-V-magnitude | 2.03 |
| U-B-magnitude | 2.41 |
| IR-note | object is infrared source (NASA merged infrared catalogue, Schmitz et al., 1978) |
variability information
| variable star identification | 985 |
double/multiple star system information
| separation | 115.6 arcsec |
| mag difference (of double or brightest multiple) | 3.4 |
| note | Worley (1978) update of the IDS |
miscellaneous information
| note (category: group membership): | Cam OB1. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
| position (J2000) | RA: 2h 56min 24.644sec | DEC: +64° 19' 56.09'' | ±0.43 arcsec | source: 16 |
| proper motion (J2000) | RA: 0 arcsec/a | DEC: -0.012 arcsec/a | source: 25 | |
| radial velocity | -22 km/s | source: 25 | ||
| galactic coord. (B1950) | longitude: 135.96° | latitude: 4.67° | ||
magnitude:
| visual | 6.24 (observed) | source: 25 |
| photovisual | 6.6 | source: 2 |
| photographic | 8.1 | source: 16 |
spectral information:
| spectral class | K5 | source: 96 | |
| Morgan-Keenan | K3Ib | source: 25 | |
| B-magnitude | 8.27 ±0.05 | B-V-magnitude | 2.03 |
| U-magnitude | 10.68 ±0.05 | U-B-magnitude | 2.41 |
double/multiple star system information:
| separation between brightest and second brightest component | 115.6 arcsec |
| magnitude difference between brightest and second brightest component | 3.8 |
| position angle | 129 ° |
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 | |
| 19 | WDS Catalog |
| Worley, C.E., and G.G. Douglass, Washington Catalog of Visual Double Stars 1996.0, United States Naval Observatory, 1996 | |
| 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: 2h 52min 15.619sec | DEC: +64° 7' 51.23'' | ±0.091 arcsec |
| position (J2000) | RA: 2h 56min 24.821sec | DEC: +64° 19' 56.84'' | |
| proper motion B1950 (FK4) | RA: 0.0012 arcsec/a | DEC: 0.003 arcsec/a | ±0.022 arcsec/a in RA ±0.02 arcsec/a in DEC |
| proper motion J2000 (FK5) | RA: 0.0009 arcsec/a | DEC: -0.002 arcsec/a | |
| source of proper motion data | Determined by source catalog | ||
magnitude:
| visual | 6.6 (accuracy: 2 decimals) |
| source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
| spectral class | K5 |
| source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
| source catalogue | GC, catalogue number: 3497 |
| Durchmusterung | BD+63 369 |
| Boss General Catalogue | 3497 |
| Henry Draper Catalogue | 17958 |
data from The Washington Visual Double Star Catalog, 1996.0 (Worley+, 1996)
position and proper motion:
| position (J2000) | RA: 2h 56.4min | DEC: +64° 20' |
| proper motion (J2000) | RA: -0.007 arcsec/a | DEC: -0.007 arcsec/a |
double/multiple star system information:
| component | year | number of measures | position angle | angular separation | magnitude of 1st component | magnitude of 2nd component | spectral class(es) | discoverer code |
| - | 1879 | 2 | 129° | 115.6'' | 6.24 | 10 | K3Ibv | BLL 9 |
discoverer information:
| discoverer code | discoverer | reference |
| BLL 9 | Ball, R.S. | - |
data from Combined General Catalogue of Variable Stars (suspected variables) (Kholopov+ 1998)
position:
| position (equinox 1950.0) | RA: 2h 52min 15.5sec | DEC: +64° 7' 51'' |
variability informations:
| variability type | - |
| magnitute at max. brightness | 6.23 |
| magnitute at min. brightness | |
| photometric system | visual, photovisual or Johnson's V |
spectral information
| spectral class | K3 |
references
| to a study | 290477D (designation: ZI 161) |
miscanellous
| There are notes in the published catalog (Kukarkin et al.(1982)). |