HR 9051
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 9051, HD 224128, SAO 91582, BD +25 5042 |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 23h 55min 23sec | DEC: +25° 57' 18'' | ||
position (B1900) | RA: 23h 50min 17.6sec | DEC: +25° 23' 55'' | ||
proper motion (J2000) | RA: -0.003 arcsec/a | DEC: -0.008 arcsec/a | ||
radial velocity | -15 km/s | |||
galactic coordinates | longitude: 107.47° | latitude: -35.23° |
magnitude
visual magnitude | 6.54 (HR magnitude reduced to the UBV system) |
spectral / color information
spectral class | K5 |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 23h 55min 23.034sec | DEC: +25° 57' 17.62'' | ±0.35 arcsec | source: 34 |
proper motion (J2000) | RA: 0.0003 arcsec/a | DEC: -0.017 arcsec/a | source: 25 | |
radial velocity | -15 km/s | source: 25 | ||
galactic coord. (B1950) | longitude: 107.48° | latitude: -35.23° |
magnitude:
visual | 6.5 (observed) | source: 25 |
photovisual | 6.7 | source: 2 |
photographic | 7.6 | source: 16 |
spectral information:
spectral class | K5 | source: 96 | |
B-magnitude | 7.98 ±0.05 | B-V-magnitude | 1.48 |
U-magnitude | 9.83 ±0.05 | U-B-magnitude | 1.85 |
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 | |
34 | IRS Catalog |
Corbin, T.E., 1991, U.S. Naval Observatory, International Reference Stars Catalog | |
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 52min 50.047sec | DEC: +25° 40' 36.78'' | ±0.041 arcsec |
position (J2000) | RA: 23h 55min 22.969sec | DEC: +25° 57' 18.15'' | |
proper motion B1950 (FK4) | RA: -0.0002 arcsec/a | DEC: -0.002 arcsec/a | ±0.007 arcsec/a in RA ±0.006 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: -0.0002 arcsec/a | DEC: -0.008 arcsec/a | |
source of proper motion data | Determined by source catalog |
magnitude:
visual | 6.7 (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: 33178 |
Durchmusterung | BD+25 5042 |
Boss General Catalogue | 33178 |
Henry Draper Catalogue | 224128 |