Identification Data |
Common Name | |
Constellation | Andromeda |
Star Name | 25sig And |
Skymap Number | 180051 |
Henry Draper (HD) Number | 1404 |
Harvard Revised (HR) Number | 68 |
SAO Number | 53798 |
Durchmusterung (DM) Number | BD+35 44 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 65183 |
Right Ascension (RA) J2000 | 0h 18m 19.656s |
Declination (Dec) J2000 | +36° 47' 6.807" |
Position Uncertainty | 0.0063s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00554 |
Proper Motion in Dec (J2000) | -0.042566 |
Radial Velocity | -008.0km s-1 |
Trigonometric Parallax | +0.02311s |
Trigonometric Parallax Uncertainty | 0.00068s |
GCI Unit Vector in X (J2000) | 0.798326 |
GCI Unit Vector in Y (J2000) | 0.063978 |
GCI Unit Vector in Z (J2000) | 0.598817 |
Galactic Longitude | 115.59° |
Galactic Latitude
| -25.61°
|
Observational Data |
Observed Visual Magnitude (V) | 4.51 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.58 |
Observed B-V Colour | +0.072 |
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 | 4.5 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A2V |
One-Dimensional Spectral Class | A2 |
Position Angle | |
Year of Observation | AD |