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Astronomy
Constellations - Hydra - 26 Hya

 
Identification Data
Common Name
ConstellationHydra
Star Name26 Hya
Skymap Number9190130
Henry Draper (HD) Number80499
Harvard Revised (HR) Number3706
SAO Number155096
Durchmusterung (DM) NumberSD-11 2609
Washington Double Stars (WDS) Number
09198-1158
Positional Data
Position and Proper Motion (PPM) Number221371
Right Ascension (RA) J20009h 19m 46.382s
Declination (Dec) J2000-11° 58' 29.469"
Position Uncertainty0.0092s
Proper Motion in RA (J2000)/cos(Dec)-0.00190
Proper Motion in Dec (J2000)+0.012266
Radial Velocity-002.0km s-1
Trigonometric Parallax+0.01020s
Trigonometric Parallax Uncertainty0.00083s
GCI Unit Vector in X (J2000)-0.748751
GCI Unit Vector in Y (J2000)0.629542
GCI Unit Vector in Z (J2000)-0.207482
Galactic Longitude243.11°
Galactic Latitude
25.49°
Observational Data
Observed Visual Magnitude (V)4.78
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.71
Observed B-V Colour+0.927
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 Magnitude4.1
Observed Photographic Magnitude5.7
Morgan Keenan (MK) Spectral TypeG8III
One-Dimensional Spectral ClassG5
Position Angle10
Year of Observation1960. 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))

 
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Page compiled: Sun Sep 02 13:15:42 GMT+01:00 2001
 
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