tcaep.co.uk Navigation. See bottom for text alternatives
Previous Page...
 
Printer Version
Astronomy
Constellations - Delphinus - 15 Del

 
Identification Data
Common Name
ConstellationDelphinus
Star Name15 Del
Skymap Number20490168
Henry Draper (HD) Number198390
Harvard Revised (HR) Number7973
SAO Number106536
Durchmusterung (DM) NumberBD+12 4472
Washington Double Stars (WDS) Number
20496+1233
Positional Data
Position and Proper Motion (PPM) Number139088
Right Ascension (RA) J200020h 49m 37.768s
Declination (Dec) J2000+12° 32' 42.461"
Position Uncertainty0.0076s
Proper Motion in RA (J2000)/cos(Dec)+0.00369
Proper Motion in Dec (J2000)+0.097566
Radial Velocity+002.3km s-1
Trigonometric Parallax+0.03381s
Trigonometric Parallax Uncertainty0.00083s
GCI Unit Vector in X (J2000)0.658296
GCI Unit Vector in Y (J2000)-0.720740
GCI Unit Vector in Z (J2000)0.217209
Galactic Longitude58.86°
Galactic Latitude
-19.23°
Observational Data
Observed Visual Magnitude (V)6.01
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.45
Observed B-V Colour+0.437
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.0
Observed Photographic Magnitude6.6
Morgan Keenan (MK) Spectral TypeF5V
One-Dimensional Spectral ClassF5
Position Angle20
Year of Observation1959. 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 13:15:39 GMT+01:00 2001
 
The Bottom Line
HomeScienceMathsAstronomyDownloadBookshopContactAbout Top of Page