tcaep.co.uk Navigation. See bottom for text alternatives
Previous Page...
 
Printer Version
Astronomy
Constellations - Apus - del1Aps

 
Identification Data
Common Name
ConstellationApus
Star Namedel1Aps
Skymap Number16200091
Henry Draper (HD) Number145366
Harvard Revised (HR) Number6020
SAO Number257380
Durchmusterung (DM) NumberCP-78 1092
Washington Double Stars (WDS) Number
16203-7842
Positional Data
Position and Proper Motion (PPM) Number373033
Right Ascension (RA) J200016h 20m 20.805s
Declination (Dec) J2000-78° 41' 44.682"
Position Uncertainty0.0061s
Proper Motion in RA (J2000)/cos(Dec)-0.00337
Proper Motion in Dec (J2000)-0.036666
Radial Velocity-012.0km s-1
Trigonometric Parallax+0.00426s
Trigonometric Parallax Uncertainty0.00057s
GCI Unit Vector in X (J2000)-0.082572
GCI Unit Vector in Y (J2000)-0.177779
GCI Unit Vector in Z (J2000)-0.980600
Galactic Longitude312.42°
Galactic Latitude
-19.89°
Observational Data
Observed Visual Magnitude (V)4.74
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.008
Observed B Magnitude6.30
Observed B-V Colour+1.562
Observed B Magnitude or (B-V) Magnitude Uncertainty0.010
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.8
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeM5IIIb
One-Dimensional Spectral ClassM0
Position Angle12
Year of Observation1918. 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 13:15:32 GMT+01:00 2001
 
The Bottom Line
HomeScienceMathsAstronomyDownloadBookshopContactAbout Top of Page