Astronomy
Constellations - Triangulum - 12 Tri

 
Identification Data
Common Name
ConstellationTriangulum
Star Name12 Tri
Skymap Number2280031
Henry Draper (HD) Number15257
Harvard Revised (HR) Number717
SAO Number75382
Durchmusterung (DM) NumberBD+29 417
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number91700
Right Ascension (RA) J20002h 28m 9.980s
Declination (Dec) J2000+29° 40' 9.590"
Position Uncertainty0.0103s
Proper Motion in RA (J2000)/cos(Dec)-0.00114
Proper Motion in Dec (J2000)-0.085566
Radial Velocity-024.8km s-1
Trigonometric Parallax+0.02101s
Trigonometric Parallax Uncertainty0.00083s
GCI Unit Vector in X (J2000)0.693552
GCI Unit Vector in Y (J2000)0.523419
GCI Unit Vector in Z (J2000)0.494994
Galactic Longitude146.87°
Galactic Latitude
-28.67°
Observational Data
Observed Visual Magnitude (V)5.29
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.59
Observed B-V Colour+0.304
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.4
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF0III
One-Dimensional Spectral ClassF0
Position Angle
Year of Observation AD

Data Source
SKY2000 - Master Star Catalog - Star Catalog Database, Version 2
    Sande C.B., Warren Jr. W.H., Tracewell D.A., Home A.T., Miller A.C.
    (Goddard Space Flight Center, Flight Dynamics Division (1998))

 
Page compiled: Sun Sep 02 13:15:51 GMT+01:00 2001