Identification Data |
Common Name | |
Constellation | Triangulum |
Star Name | 3eps Tri |
Skymap Number | 2020159 |
Henry Draper (HD) Number | 12471 |
Harvard Revised (HR) Number | 599 |
SAO Number | 55218 |
Durchmusterung (DM) Number | BD+32 369 |
Washington Double Stars (WDS) Number
| 02030+3317
|
Positional Data |
Position and Proper Motion (PPM) Number | 66906 |
Right Ascension (RA) J2000 | 2h 2m 57.955s |
Declination (Dec) J2000 | +33° 17' 2.886" |
Position Uncertainty | 0.0099s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00128 |
Proper Motion in Dec (J2000) | -0.006866 |
Radial Velocity | +003.3km s-1 |
Trigonometric Parallax | +0.00881s |
Trigonometric Parallax Uncertainty | 0.00082s |
GCI Unit Vector in X (J2000) | 0.718492 |
GCI Unit Vector in Y (J2000) | 0.427313 |
GCI Unit Vector in Z (J2000) | 0.548791 |
Galactic Longitude | 139.72° |
Galactic Latitude
| -27.25°
|
Observational Data |
Observed Visual Magnitude (V) | 5.52 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.56 |
Observed B-V Colour | +0.038 |
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 | 5.4 |
Observed Photographic Magnitude | 5.5 |
Morgan Keenan (MK) Spectral Type | A2V |
One-Dimensional Spectral Class | A2 |
Position Angle | 120 |
Year of Observation | 1990. AD |