Astronomy
Constellations - Hydra - 59 Hya

 
Identification Data
Common Name
ConstellationHydra
Star Name59 Hya
Skymap Number14580104
Henry Draper (HD) Number132219
Harvard Revised (HR) Number5577
SAO Number183058
Durchmusterung (DM) NumberCD-2710148
Washington Double Stars (WDS) Number
14587-2739
Positional Data
Position and Proper Motion (PPM) Number263634
Right Ascension (RA) J200014h 58m 39.254s
Declination (Dec) J2000-27° 39' 26.330"
Position Uncertainty0.0169s
Proper Motion in RA (J2000)/cos(Dec)-0.00358
Proper Motion in Dec (J2000)-0.008667
Radial Velocity-015.5km s-1
Trigonometric Parallax+0.00932s
Trigonometric Parallax Uncertainty0.00142s
GCI Unit Vector in X (J2000)-0.629979
GCI Unit Vector in Y (J2000)-0.622624
GCI Unit Vector in Z (J2000)-0.464182
Galactic Longitude334.62°
Galactic Latitude
27.28°
Observational Data
Observed Visual Magnitude (V)5.67
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude5.94
Observed B-V Colour+0.265
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 Magnitude5.7
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA4V+A6V
One-Dimensional Spectral ClassA5
Position Angle354
Year of Observation1991. 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