Identification Data |
Common Name | |
Constellation | Triangulum |
Star Name | 8del Tri |
Skymap Number | 2160154 |
Henry Draper (HD) Number | 13974 |
Harvard Revised (HR) Number | 660 |
SAO Number | 55420 |
Durchmusterung (DM) Number | BD+33 395 |
Washington Double Stars (WDS) Number
| 02171+3413
|
Positional Data |
Position and Proper Motion (PPM) Number | 67162 |
Right Ascension (RA) J2000 | 2h 17m 3.230s |
Declination (Dec) J2000 | +34° 13' 27.232" |
Position Uncertainty | 0.0102s |
Proper Motion in RA (J2000)/cos(Dec) | +0.09285 |
Proper Motion in Dec (J2000) | -0.246466 |
Radial Velocity | -006.4km s-1 |
Trigonometric Parallax | +0.09220s |
Trigonometric Parallax Uncertainty | 0.00084s |
GCI Unit Vector in X (J2000) | 0.683350 |
GCI Unit Vector in Y (J2000) | 0.465512 |
GCI Unit Vector in Z (J2000) | 0.562433 |
Galactic Longitude | 142.43° |
Galactic Latitude
| -25.39°
|
Observational Data |
Observed Visual Magnitude (V) | 4.87 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 5.47 |
Observed B-V Colour | +0.604 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.1 |
Observed Photographic Magnitude | 5.6 |
Morgan Keenan (MK) Spectral Type | G0.5V |
One-Dimensional Spectral Class | G0 |
Position Angle | 337 |
Year of Observation | 1907. AD |