Identification Data |
Common Name | |
Constellation | Ursa Major |
Star Name | 39 UMa |
Skymap Number | 10430139 |
Henry Draper (HD) Number | 92728 |
Harvard Revised (HR) Number | 4187 |
SAO Number | 27748 |
Durchmusterung (DM) Number | BD+57 1286 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 32767 |
Right Ascension (RA) J2000 | 10h 43m 43.335s |
Declination (Dec) J2000 | +57° 11' 57.131" |
Position Uncertainty | 0.0059s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00214 |
Proper Motion in Dec (J2000) | -0.051766 |
Radial Velocity | -015.0km s-1 |
Trigonometric Parallax | +0.00887s |
Trigonometric Parallax Uncertainty | 0.00061s |
GCI Unit Vector in X (J2000) | -0.511992 |
GCI Unit Vector in Y (J2000) | 0.176987 |
GCI Unit Vector in Z (J2000) | 0.840559 |
Galactic Longitude | 150.95° |
Galactic Latitude
| 52.42°
|
Observational Data |
Observed Visual Magnitude (V) | 5.79 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.75 |
Observed B-V Colour | -0.040 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.8 |
Observed Photographic Magnitude | 5.8 |
Morgan Keenan (MK) Spectral Type | A0Vs |
One-Dimensional Spectral Class | B9 |
Position Angle | |
Year of Observation | AD |