Identification Data |
Common Name | Mizar |
Constellation | Ursa Major |
Star Name | 79zet UMa |
Skymap Number | 13230119 |
Henry Draper (HD) Number | 116656 |
Harvard Revised (HR) Number | 5054 |
SAO Number | 28737 |
Durchmusterung (DM) Number | BD+55 1598 |
Washington Double Stars (WDS) Number
| 13239+5456
|
Positional Data |
Position and Proper Motion (PPM) Number | 34007 |
Right Ascension (RA) J2000 | 13h 23m 55.542s |
Declination (Dec) J2000 | +54° 55' 31.302" |
Position Uncertainty | 0.0060s |
Proper Motion in RA (J2000)/cos(Dec) | +0.01406 |
Proper Motion in Dec (J2000) | -0.022067 |
Radial Velocity | -005.6km s-1 |
Trigonometric Parallax | +0.04173s |
Trigonometric Parallax Uncertainty | 0.00061s |
GCI Unit Vector in X (J2000) | -0.536542 |
GCI Unit Vector in Y (J2000) | -0.205760 |
GCI Unit Vector in Z (J2000) | 0.818404 |
Galactic Longitude | 113.11° |
Galactic Latitude
| 61.58°
|
Observational Data |
Observed Visual Magnitude (V) | 2.22 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 2.27 |
Observed B-V Colour | +0.053 |
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 | 2.4 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A1VpSrSi |
One-Dimensional Spectral Class | A2 |
Position Angle | 153 |
Year of Observation | 1993. AD |