Identification Data |
Common Name | |
Constellation | Triangulum |
Star Name | 15 Tri |
Skymap Number | 2350110 |
Henry Draper (HD) Number | 16058 |
Harvard Revised (HR) Number | 750 |
SAO Number | 55687 |
Durchmusterung (DM) Number | BD+34 469 |
Washington Double Stars (WDS) Number
| 02358+3441
|
Positional Data |
Position and Proper Motion (PPM) Number | 400040 |
Right Ascension (RA) J2000 | 2h 35m 46.811s |
Declination (Dec) J2000 | +34° 41' 15.210" |
Position Uncertainty | 0.1008s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00159 |
Proper Motion in Dec (J2000) | -0.051266 |
Radial Velocity | -009.5km s-1 |
Trigonometric Parallax | -0.00060s |
Trigonometric Parallax Uncertainty | 0.00871s |
GCI Unit Vector in X (J2000) | 0.639518 |
GCI Unit Vector in Y (J2000) | 0.516857 |
GCI Unit Vector in Z (J2000) | 0.569101 |
Galactic Longitude | 146.15° |
Galactic Latitude
| -23.44°
|
Observational Data |
Observed Visual Magnitude (V) | 5.39 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 7.01 |
Observed B-V Colour | +1.616 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.008 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.6 |
Observed Photographic Magnitude | 7.0 |
Morgan Keenan (MK) Spectral Type | M3IIIa |
One-Dimensional Spectral Class | M0 |
Position Angle | 17 |
Year of Observation | 1959. AD |