Identification Data |
Common Name | |
Constellation | Orion |
Star Name | 25psi1Ori |
Skymap Number | 5240129 |
Henry Draper (HD) Number | 35439 |
Harvard Revised (HR) Number | 1789 |
SAO Number | 112734 |
Durchmusterung (DM) Number | BD+01 1005 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 148907 |
Right Ascension (RA) J2000 | 5h 24m 44.826s |
Declination (Dec) J2000 | +1° 50' 47.201" |
Position Uncertainty | 0.0078s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00001 |
Proper Motion in Dec (J2000) | -0.000666 |
Radial Velocity | +009.km s-1 |
Trigonometric Parallax | +0.00294s |
Trigonometric Parallax Uncertainty | 0.00087s |
GCI Unit Vector in X (J2000) | 0.153134 |
GCI Unit Vector in Y (J2000) | 0.987680 |
GCI Unit Vector in Z (J2000) | 0.032221 |
Galactic Longitude | 200.96° |
Galactic Latitude
| -18.29°
|
Observational Data |
Observed Visual Magnitude (V) | 4.89 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 4.71 |
Observed B-V Colour | -0.179 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.7 |
Observed Photographic Magnitude | 4.5 |
Morgan Keenan (MK) Spectral Type | B1Vpe |
One-Dimensional Spectral Class | B3 |
Position Angle | 216 |
Year of Observation | AD |