Identification Data |
Common Name | |
Constellation | Orion |
Star Name | 49 Ori |
Skymap Number | 5380181 |
Henry Draper (HD) Number | 37507 |
Harvard Revised (HR) Number | 1937 |
SAO Number | 132411 |
Durchmusterung (DM) Number | SD-07 1142 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 188306 |
Right Ascension (RA) J2000 | 5h 38m 53.083s |
Declination (Dec) J2000 | -7° 12' 46.184" |
Position Uncertainty | 0.0144s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00101 |
Proper Motion in Dec (J2000) | -0.049666 |
Radial Velocity | -001.3km s-1 |
Trigonometric Parallax | +0.02124s |
Trigonometric Parallax Uncertainty | 0.00205s |
GCI Unit Vector in X (J2000) | 0.091274 |
GCI Unit Vector in Y (J2000) | 0.987879 |
GCI Unit Vector in Z (J2000) | -0.125555 |
Galactic Longitude | 211.17° |
Galactic Latitude
| -19.40°
|
Observational Data |
Observed Visual Magnitude (V) | 4.79 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.93 |
Observed B-V Colour | +0.139 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.7 |
Observed Photographic Magnitude | 5.0 |
Morgan Keenan (MK) Spectral Type | A4V |
One-Dimensional Spectral Class | A3 |
Position Angle | |
Year of Observation | AD |