Astronomy
Constellations - Virgo - 61 Vir

 
Identification Data
Common Name
ConstellationVirgo
Star Name61 Vir
Skymap Number13180080
Henry Draper (HD) Number115617
Harvard Revised (HR) Number5019
SAO Number157844
Durchmusterung (DM) NumberSD-17 3813
Washington Double Stars (WDS) Number
13186-1817
Positional Data
Position and Proper Motion (PPM) Number227091
Right Ascension (RA) J200013h 18m 24.314s
Declination (Dec) J2000-18° 18' 40.306"
Position Uncertainty0.0070s
Proper Motion in RA (J2000)/cos(Dec)-0.07513
Proper Motion in Dec (J2000)-1.063866
Radial Velocity-007.8km s-1
Trigonometric Parallax+0.11730s
Trigonometric Parallax Uncertainty0.00071s
GCI Unit Vector in X (J2000)-0.894348
GCI Unit Vector in Y (J2000)-0.318486
GCI Unit Vector in Z (J2000)-0.314178
Galactic Longitude311.89°
Galactic Latitude
44.11°
Observational Data
Observed Visual Magnitude (V)4.74
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty
Observed B Magnitude5.45
Observed B-V Colour+0.709
Observed B Magnitude or (B-V) Magnitude Uncertainty0.007
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.8
Observed Photographic Magnitude5.6
Morgan Keenan (MK) Spectral TypeG6.5V
One-Dimensional Spectral ClassG5
Position Angle29
Year of Observation1907. 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 13:15:52 GMT+01:00 2001