Astronomy
Constellations - Apus - iot Aps

 
Identification Data
Common Name
ConstellationApus
Star Nameiot Aps
Skymap Number17220022
Henry Draper (HD) Number156190
Harvard Revised (HR) Number6411
SAO Number257491
Durchmusterung (DM) NumberCP-69 2719
Washington Double Stars (WDS) Number
17221-7007
Positional Data
Position and Proper Motion (PPM) Number373425
Right Ascension (RA) J200017h 22m 5.869s
Declination (Dec) J2000-70° 7' 23.543"
Position Uncertainty0.0084s
Proper Motion in RA (J2000)/cos(Dec)-0.00034
Proper Motion in Dec (J2000)-0.012067
Radial Velocity-004.3km s-1
Trigonometric Parallax+0.00285s
Trigonometric Parallax Uncertainty0.00063s
GCI Unit Vector in X (J2000)-0.055973
GCI Unit Vector in Y (J2000)-0.335360
GCI Unit Vector in Z (J2000)-0.940426
Galactic Longitude322.28°
Galactic Latitude
-18.29°
Observational Data
Observed Visual Magnitude (V)5.40
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.001
Observed B Magnitude5.36
Observed B-V Colour-0.045
Observed B Magnitude or (B-V) Magnitude Uncertainty0.001
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.6
Observed Photographic Magnitude5.6
Morgan Keenan (MK) Spectral TypeB9V+B9.5V
One-Dimensional Spectral ClassB8
Position Angle290
Year of Observation1992. 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 13:15:32 GMT+01:00 2001