Astronomy
Constellations - Lupus - sig Lup

 
Identification Data
Common Name
ConstellationLupus
Star Namesig Lup
Skymap Number14320091
Henry Draper (HD) Number127381
Harvard Revised (HR) Number5425
SAO Number241781
Durchmusterung (DM) NumberCD-49 8831
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number342920
Right Ascension (RA) J200014h 32m 37.056s
Declination (Dec) J2000-50° 27' 25.767"
Position Uncertainty0.0070s
Proper Motion in RA (J2000)/cos(Dec)-0.00309
Proper Motion in Dec (J2000)-0.014966
Radial Velocity-001.5km s-1
Trigonometric Parallax+0.00568s
Trigonometric Parallax Uncertainty0.00072s
GCI Unit Vector in X (J2000)-0.500633
GCI Unit Vector in Y (J2000)-0.393315
GCI Unit Vector in Z (J2000)-0.771149
Galactic Longitude318.94°
Galactic Latitude
9.25°
Observational Data
Observed Visual Magnitude (V)4.43
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.25
Observed B-V Colour-0.176
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.3
Observed Photographic Magnitude4.4
Morgan Keenan (MK) Spectral TypeB2III
One-Dimensional Spectral ClassB2
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