Astronomy
Constellations - Ophiuchus - 19 Oph

 
Identification Data
Common Name
ConstellationOphiuchus
Star Name19 Oph
Skymap Number16470022
Henry Draper (HD) Number151431
Harvard Revised (HR) Number6232
SAO Number121859
Durchmusterung (DM) NumberBD+02 3175
Washington Double Stars (WDS) Number
16472+0204
Positional Data
Position and Proper Motion (PPM) Number163115
Right Ascension (RA) J200016h 47m 9.753s
Declination (Dec) J2000+2° 3' 52.295"
Position Uncertainty0.0106s
Proper Motion in RA (J2000)/cos(Dec)-0.00073
Proper Motion in Dec (J2000)-0.015266
Radial Velocity-006.2km s-1
Trigonometric Parallax+0.00662s
Trigonometric Parallax Uncertainty0.00091s
GCI Unit Vector in X (J2000)-0.312287
GCI Unit Vector in Y (J2000)-0.949304
GCI Unit Vector in Z (J2000)0.036025
Galactic Longitude19.59°
Galactic Latitude
28.39°
Observational Data
Observed Visual Magnitude (V)6.07
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.21
Observed B-V Colour+0.137
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 Magnitude6.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA3V
One-Dimensional Spectral ClassA2
Position Angle89
Year of Observation1969. 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 13:15:46 GMT+01:00 2001