Identification Data |
Common Name | |
Constellation | Ursa Major |
Star Name | 23 UMa |
Skymap Number | 9310093 |
Henry Draper (HD) Number | 81937 |
Harvard Revised (HR) Number | 3757 |
SAO Number | 14908 |
Durchmusterung (DM) Number | BD+63 845 |
Washington Double Stars (WDS) Number
| 09315+6304
|
Positional Data |
Position and Proper Motion (PPM) Number | 17085 |
Right Ascension (RA) J2000 | 9h 31m 31.708s |
Declination (Dec) J2000 | +63° 3' 42.699" |
Position Uncertainty | 0.0058s |
Proper Motion in RA (J2000)/cos(Dec) | +0.01583 |
Proper Motion in Dec (J2000) | +0.026966 |
Radial Velocity | -010.4km s-1 |
Trigonometric Parallax | +0.04320s |
Trigonometric Parallax Uncertainty | 0.00064s |
GCI Unit Vector in X (J2000) | -0.361243 |
GCI Unit Vector in Y (J2000) | 0.273383 |
GCI Unit Vector in Z (J2000) | 0.891496 |
Galactic Longitude | 150.64° |
Galactic Latitude
| 41.74°
|
Observational Data |
Observed Visual Magnitude (V) | 3.65 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.00 |
Observed B-V Colour | +0.346 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 3.8 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | F0IV |
One-Dimensional Spectral Class | F0 |
Position Angle | 269 |
Year of Observation | 1975. AD |