Identification Data |
Common Name | |
Constellation | Triangulum |
Star Name | 4bet Tri |
Skymap Number | 2090076 |
Henry Draper (HD) Number | 13161 |
Harvard Revised (HR) Number | 622 |
SAO Number | 55306 |
Durchmusterung (DM) Number | BD+34 381 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 67012 |
Right Ascension (RA) J2000 | 2h 9m 32.626s |
Declination (Dec) J2000 | +34° 59' 14.269" |
Position Uncertainty | 0.0098s |
Proper Motion in RA (J2000)/cos(Dec) | +0.01211 |
Proper Motion in Dec (J2000) | -0.039166 |
Radial Velocity | +009.9km s-1 |
Trigonometric Parallax | +0.02624s |
Trigonometric Parallax Uncertainty | 0.00077s |
GCI Unit Vector in X (J2000) | 0.691848 |
GCI Unit Vector in Y (J2000) | 0.438822 |
GCI Unit Vector in Z (J2000) | 0.573395 |
Galactic Longitude | 140.55° |
Galactic Latitude
| -25.20°
|
Observational Data |
Observed Visual Magnitude (V) | 3.02 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 3.18 |
Observed B-V Colour | +0.155 |
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 | 3.1 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | A5IV |
One-Dimensional Spectral Class | A5 |
Position Angle | |
Year of Observation | AD |