Identification Data |
Common Name | |
Constellation | Perseus |
Star Name | 49 Per |
Skymap Number | 4080035 |
Henry Draper (HD) Number | 25975 |
Harvard Revised (HR) Number | 1277 |
SAO Number | 57000 |
Durchmusterung (DM) Number | BD+37 881 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 69130 |
Right Ascension (RA) J2000 | 4h 8m 15.387s |
Declination (Dec) J2000 | +37° 43' 38.974" |
Position Uncertainty | 0.0074s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00846 |
Proper Motion in Dec (J2000) | -0.197066 |
Radial Velocity | -040.2km s-1 |
Trigonometric Parallax | +0.02266s |
Trigonometric Parallax Uncertainty | 0.00070s |
GCI Unit Vector in X (J2000) | 0.370537 |
GCI Unit Vector in Y (J2000) | 0.698765 |
GCI Unit Vector in Z (J2000) | 0.611907 |
Galactic Longitude | 160.44° |
Galactic Latitude
| -10.42°
|
Observational Data |
Observed Visual Magnitude (V) | 6.07 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 7.02 |
Observed B-V Colour | +0.945 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.2 |
Observed Photographic Magnitude | 7.0 |
Morgan Keenan (MK) Spectral Type | K1III |
One-Dimensional Spectral Class | G5 |
Position Angle | |
Year of Observation | AD |