t Puppis
catalogues and names | t Pup, HR 2553, HD 50310, SAO 234735, FK5: 263 |
constellation | Puppis |
data from The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) (Hoffleit+, 1991)
position, motion, parallax:
position (J2000) | RA: 6h 49min 56,2sec | DEC: -50° 36' 53'' |
position (J1900) | RA: 6h 47min 27,2sec | DEC: -50° 29' 43'' |
proper motion (J2000) | RA: 0,036 arcsec/a | DEC: -0,07 arcsec/a |
radial velocity | 36 km/s note: spectroscopic binaries, single lined spectra note: orbital data avaible |
magnitude
visual magnitude | 2,93 (V on UBV Johnson system) |
spectral / color information
spectral class | K1III |
B-V-magnitude | 1,2 |
U-B-magnitude | 1,21 |
R-I-magnitude | 0,6 |
double/multiple star system information
note (category: spectroscopic binaries): | 1066.0d, K 4.1k/s, V0 +36.4k/s, asini 59.9. Unresolved by speckle interferometry 1980.02. |
data from SKY2000 - Master Star Catalog (Myers+ 1997)
position, motion, parallax:
position (J2000) | RA: 6h 49min 56,173sec | DEC: -50° 36' 52,73'' | ±0,06 arcsec | source: 15 |
proper motion (J2000) | RA: 0,0038 arcsec/a | DEC: -0,07 arcsec/a | source: 25 | |
radial velocity | 36 km/s | source: 25 | ||
galactic coord. (B1950) | longitude: 260,16° | latitude: -20,86° | ||
GCI unit vector (J2000) | X: -0,137166 | Y: 0,61953 | Z: -0,772896 |
magnitude:
visual | 2,93 (observed) | source: 25 |
photovisual | 2,8 | source: 2 |
photographic | 3,8 | source: 2 |
spectral information:
spectral class | K0 | source: 96 | |
Morgan-Keenan | K1III | source: 25 | |
B-magnitude | 4,13 ±0,05 | B-V-magnitude | 1,2 |
U-magnitude | 5,34 ±0,05 | U-B-magnitude | 1,21 |
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 | |
15 | FK5, FK5 Extension and FK5 Supplement |
Fricke, W., H. Schwan and T. Lederle, "Fifth Fundamental Catalogue (FK5), Part I. The Basic Fundamental Stars," Veroff. Astronomisches Recheninstitut, No. 32, Heidelberg, Germany, 1988, and Fricke, W., H. Schwan, and T.E. Corbin, "Fifth Fundamental Catalogue (FK5), Part II. The FK5 Extension," Veröff. Astronomisches Recheninstitut, No. 33, Heidelberg, Germany, 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 (J1950) | RA: 6h 48min 41,683sec | DEC: -50° 33' 15,49'' | ±0,011 arcsec |
position (J2000) | RA: 6h 49min 56,168sec | DEC: -50° 36' 53,16'' | |
proper motion J1950 (FK4) | RA: 0,0033 arcsec/a | DEC: -0,074 arcsec/a | ±0,003 arcsec/a in RA ±0,003 arcsec/a in DEC |
proper motion J2000 (FK5) | RA: 0,0038 arcsec/a | DEC: -0,075 arcsec/a | |
source of proper motion data | Determined by source catalog |
magnitude:
visual | 2,8 (accuracy: 2 decimals) |
source of visual magnitude data | Taken from the "Henry Draper Catalogue". |
spectral information:
spectral class | K0 |
source of spectral data | Taken from the Henry Draper Catalogue or no spectrum in source catalog. |
catalogues
source catalogue | FK4, catalogue number: 263 |
Durchmusterung | CD-50 2415 |
Boss General Catalogue | 8969 |
Henry Draper Catalogue | 50310 |