Astronomy
Constellations - Libra - 25iot2Lib

 
Identification Data
Common Name
ConstellationLibra
Star Name25iot2Lib
Skymap Number15130049
Henry Draper (HD) Number134967
Harvard Revised (HR) Number5656
SAO Number159105
Durchmusterung (DM) NumberSD-19 4055
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number229920
Right Ascension (RA) J200015h 13m 19.188s
Declination (Dec) J2000-19° 38' 51.261"
Position Uncertainty0.0107s
Proper Motion in RA (J2000)/cos(Dec)-0.00340
Proper Motion in Dec (J2000)-0.048666
Radial Velocity-004.0km s-1
Trigonometric Parallax+0.01489s
Trigonometric Parallax Uncertainty0.00093s
GCI Unit Vector in X (J2000)-0.626132
GCI Unit Vector in Y (J2000)-0.703495
GCI Unit Vector in Z (J2000)-0.336234
Galactic Longitude343.04°
Galactic Latitude
31.96°
Observational Data
Observed Visual Magnitude (V)6.08
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.006
Observed B Magnitude6.20
Observed B-V Colour+0.116
Observed B Magnitude or (B-V) Magnitude Uncertainty0.008
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.6
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA3Vn
One-Dimensional Spectral ClassA2
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 13:15:44 GMT+01:00 2001