Identification Data |
Common Name | |
Constellation | Taurus |
Star Name | 50ome2Tau |
Skymap Number | 4170033 |
Henry Draper (HD) Number | 27045 |
Harvard Revised (HR) Number | 1329 |
SAO Number | 76532 |
Durchmusterung (DM) Number | BD+20 724 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 93391 |
Right Ascension (RA) J2000 | 4h 17m 15.660s |
Declination (Dec) J2000 | +20° 34' 42.928" |
Position Uncertainty | 0.0106s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00291 |
Proper Motion in Dec (J2000) | -0.061566 |
Radial Velocity | +015.7km s-1 |
Trigonometric Parallax | +0.03487s |
Trigonometric Parallax Uncertainty | 0.00080s |
GCI Unit Vector in X (J2000) | 0.405763 |
GCI Unit Vector in Y (J2000) | 0.843688 |
GCI Unit Vector in Z (J2000) | 0.351492 |
Galactic Longitude | 174.61° |
Galactic Latitude
| -21.03°
|
Observational Data |
Observed Visual Magnitude (V) | 4.92 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.19 |
Observed B-V Colour | +0.272 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.8 |
Observed Photographic Magnitude | 4.9 |
Morgan Keenan (MK) Spectral Type | A3m |
One-Dimensional Spectral Class | A3 |
Position Angle | 110 |
Year of Observation | 1960. AD |