Astronomy
Constellations - Virgo - 99iot Vir (Syrma)

 
Identification Data
Common NameSyrma
ConstellationVirgo
Star Name99iot Vir
Skymap Number14160002
Henry Draper (HD) Number124850
Harvard Revised (HR) Number5338
SAO Number139824
Durchmusterung (DM) NumberSD-05 3843
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number197358
Right Ascension (RA) J200014h 16m 0.869s
Declination (Dec) J2000-6° 0' 1.968"
Position Uncertainty0.0100s
Proper Motion in RA (J2000)/cos(Dec)-0.00173
Proper Motion in Dec (J2000)-0.419866
Radial Velocity+011.5km s-1
Trigonometric Parallax+0.04674s
Trigonometric Parallax Uncertainty0.00087s
GCI Unit Vector in X (J2000)-0.824460
GCI Unit Vector in Y (J2000)-0.556181
GCI Unit Vector in Z (J2000)-0.104538
Galactic Longitude337.75°
Galactic Latitude
51.07°
Observational Data
Observed Visual Magnitude (V)4.08
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.60
Observed B-V Colour+0.518
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.2
Observed Photographic Magnitude4.6
Morgan Keenan (MK) Spectral TypeF6III
One-Dimensional Spectral ClassF5
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 13:15:53 GMT+01:00 2001