Astronomy
Constellations - Aquila - 70 Aql

 
Identification Data
Common Name
ConstellationAquila
Star Name70 Aql
Skymap Number20360146
Henry Draper (HD) Number196321
Harvard Revised (HR) Number7873
SAO Number144624
Durchmusterung (DM) NumberSD-03 4961
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number204242
Right Ascension (RA) J200020h 36m 43.632s
Declination (Dec) J2000-2° 32' 59.846"
Position Uncertainty0.0117s
Proper Motion in RA (J2000)/cos(Dec)+0.00061
Proper Motion in Dec (J2000)-0.016066
Radial Velocity-009.6km s-1
Trigonometric Parallax+0.00148s
Trigonometric Parallax Uncertainty0.00091s
GCI Unit Vector in X (J2000)0.631158
GCI Unit Vector in Y (J2000)-0.774378
GCI Unit Vector in Z (J2000)-0.044490
Galactic Longitude43.22°
Galactic Latitude
-24.49°
Observational Data
Observed Visual Magnitude (V)4.89
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.49
Observed B-V Colour+1.599
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.2
Observed Photographic Magnitude6.4
Morgan Keenan (MK) Spectral TypeK4+IIIBa1
One-Dimensional Spectral ClassK5
Position Angle
Year of Observation 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