tcaep.co.uk Navigation. See bottom for text alternatives
Previous Page...
 
Printer Version
Astronomy
Constellations - Eridanus - 30 Eri

 
Identification Data
Common Name
ConstellationEridanus
Star Name30 Eri
Skymap Number3520099
Henry Draper (HD) Number24388
Harvard Revised (HR) Number1202
SAO Number130789
Durchmusterung (DM) NumberSD-05 769
Washington Double Stars (WDS) Number
03527-0522
Positional Data
Position and Proper Motion (PPM) Number186281
Right Ascension (RA) J20003h 52m 41.655s
Declination (Dec) J2000-5° 21' 40.532"
Position Uncertainty0.0137s
Proper Motion in RA (J2000)/cos(Dec)+0.00022
Proper Motion in Dec (J2000)-0.007166
Radial Velocity+015.km s-1
Trigonometric Parallax+0.00649s
Trigonometric Parallax Uncertainty0.00091s
GCI Unit Vector in X (J2000)0.525041
GCI Unit Vector in Y (J2000)0.845933
GCI Unit Vector in Z (J2000)-0.093435
Galactic Longitude194.49°
Galactic Latitude
-41.74°
Observational Data
Observed Visual Magnitude (V)5.49
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.40
Observed B-V Colour-0.092
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 Magnitude5.6
Observed Photographic Magnitude5.4
Morgan Keenan (MK) Spectral TypeB8V
One-Dimensional Spectral ClassB8
Position Angle135
Year of Observation1964. 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))

 
[ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ]
Download | Shop | Contact | About
 
Page compiled: Sun Sep 02 13:15:40 GMT+01:00 2001
 
The Bottom Line
HomeScienceMathsAstronomyDownloadBookshopContactAbout Top of Page