Astronomy
Constellations - Hydra - 52 Hya

 
Identification Data
Common Name
ConstellationHydra
Star Name52 Hya
Skymap Number14280020
Henry Draper (HD) Number126769
Harvard Revised (HR) Number5407
SAO Number182570
Durchmusterung (DM) NumberCD-2810712
Washington Double Stars (WDS) Number
14282-2929
Positional Data
Position and Proper Motion (PPM) Number262974
Right Ascension (RA) J200014h 28m 10.426s
Declination (Dec) J2000-29° 29' 29.895"
Position Uncertainty0.0101s
Proper Motion in RA (J2000)/cos(Dec)-0.00191
Proper Motion in Dec (J2000)-0.023866
Radial Velocity+016.0km s-1
Trigonometric Parallax+0.00785s
Trigonometric Parallax Uncertainty0.00080s
GCI Unit Vector in X (J2000)-0.694757
GCI Unit Vector in Y (J2000)-0.524363
GCI Unit Vector in Z (J2000)-0.492297
Galactic Longitude326.96°
Galactic Latitude
28.83°
Observational Data
Observed Visual Magnitude (V)4.98
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.90
Observed B-V Colour-0.077
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 Magnitude5.0
Observed Photographic Magnitude5.0
Morgan Keenan (MK) Spectral TypeB8V
One-Dimensional Spectral ClassB8
Position Angle103
Year of Observation1989. 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 13:15:43 GMT+01:00 2001