Identification Data |
Common Name | |
Constellation | Ursa Major |
Star Name | 71 UMa |
Skymap Number | 12250010 |
Henry Draper (HD) Number | 108135 |
Harvard Revised (HR) Number | 4726 |
SAO Number | 28375 |
Durchmusterung (DM) Number | BD+57 1373 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 33546 |
Right Ascension (RA) J2000 | 12h 25m 3.208s |
Declination (Dec) J2000 | +56° 46' 40.181" |
Position Uncertainty | 0.0056s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00173 |
Proper Motion in Dec (J2000) | -0.012566 |
Radial Velocity | -017.2km s-1 |
Trigonometric Parallax | +0.00274s |
Trigonometric Parallax Uncertainty | 0.00056s |
GCI Unit Vector in X (J2000) | -0.544617 |
GCI Unit Vector in Y (J2000) | -0.059774 |
GCI Unit Vector in Z (J2000) | 0.836552 |
Galactic Longitude | 130.15° |
Galactic Latitude
| 59.98°
|
Observational Data |
Observed Visual Magnitude (V) | 5.84 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 7.42 |
Observed B-V Colour | +1.575 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.007 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.0 |
Observed Photographic Magnitude | 7.6 |
Morgan Keenan (MK) Spectral Type | M3IIIb |
One-Dimensional Spectral Class | M0 |
Position Angle | |
Year of Observation | AD |