Astronomy
Constellations - Grus - gam Gru

 
Identification Data
Common Name
ConstellationGrus
Star Namegam Gru
Skymap Number21530144
Henry Draper (HD) Number207971
Harvard Revised (HR) Number8353
SAO Number213374
Durchmusterung (DM) NumberCD-3714536
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number301949
Right Ascension (RA) J200021h 53m 55.724s
Declination (Dec) J2000-37° 21' 53.468"
Position Uncertainty0.0079s
Proper Motion in RA (J2000)/cos(Dec)+0.00804
Proper Motion in Dec (J2000)-0.012166
Radial Velocity-000.1km s-1
Trigonometric Parallax+0.01607s
Trigonometric Parallax Uncertainty0.00077s
GCI Unit Vector in X (J2000)0.677538
GCI Unit Vector in Y (J2000)-0.415486
GCI Unit Vector in Z (J2000)-0.606888
Galactic Longitude6.11°
Galactic Latitude
-51.47°
Observational Data
Observed Visual Magnitude (V)3.01
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude2.92
Observed B-V Colour-0.087
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.2
Observed Photographic Magnitude3.1
Morgan Keenan (MK) Spectral TypeB8III
One-Dimensional Spectral ClassB8
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 13:15:41 GMT+01:00 2001