HR 8985
catalogues and names |
The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) |
SKY2000 - Master Star Catalog |
Smithsonian Astrophysical Observatory Star Catalog |
catalogues and names
catalogues and names | HR 8985, HD 222618, SAO 35682, BD +56 3067 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 23h 41min 54.5sec | DEC: +57° 15' 36'' | ||
position (B1900) | RA: 23h 37min 5.4sec | DEC: +56° 42' 20'' | ||
proper motion (J2000) | RA: 0.005 arcsec/a | DEC: -0.002 arcsec/a | ||
radial velocity | -12 km/s | |||
galactic coordinates | longitude: 113.61° | latitude: -4.35° |
magnitude
visual magnitude | 6.24 (HR magnitude reduced to the UBV system) |
spectral / color information
spectral class | G8III |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 23h 41min 54.51sec | DEC: +57° 15' 36.24'' | ±0.43 arcsec | source: 16 |
proper motion (J2000) | RA: -0.0003 arcsec/a | DEC: 0.002 arcsec/a | source: 25 | |
radial velocity | -12 km/s | source: 25 | ||
galactic coord. (B1950) | longitude: 113.61° | latitude: -4.35° |
magnitude:
visual | 6.22 (observed) | source: 25 |
photovisual | 6.3 | source: 2 |
photographic | 7.3 | source: 16 |
spectral information:
spectral class | G5 | source: 96 | |
Morgan-Keenan | G8III | source: 25 | |
B-magnitude | 7.28 ±0.05 | B-V-magnitude | 1.06 |
U-magnitude | 8.09 ±0.05 | U-B-magnitude | 0.81 |
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 | |
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: 23h 39min 29.413sec | DEC: +56° 58' 57.84'' | ±0.066 arcsec |
position (J2000) | RA: 23h 41min 54.517sec | DEC: +57° 15' 36.16'' | |
proper motion B1950 (FK4) | RA: 0.0004 arcsec/a | DEC: 0.003 arcsec/a | ±0.014 arcsec/a in RA ±0.013 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: 0.0006 arcsec/a | DEC: -0.002 arcsec/a | |
source of proper motion data | Determined by source catalog |
magnitude:
visual | 6.3 (accuracy: 2 decimals) |
source of visual magnitude data | Taken from Harvard or San Luis photometry. |
spectral information:
spectral class | G5 |
source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
source catalogue | GC, catalogue number: 32916 |
Durchmusterung | BD+56 3067 |
Boss General Catalogue | 32916 |
Henry Draper Catalogue | 222618 |