tcaep.co.uk Navigation. See bottom for text alternatives
Previous Page...
 
Printer Version
Astronomy
Constellations - Lyra - 18iot Lyr

 
Identification Data
Common Name
ConstellationLyra
Star Name18iot Lyr
Skymap Number19070073
Henry Draper (HD) Number178475
Harvard Revised (HR) Number7262
SAO Number67834
Durchmusterung (DM) NumberBD+35 3485
Washington Double Stars (WDS) Number
19073+3606
Positional Data
Position and Proper Motion (PPM) Number82340
Right Ascension (RA) J200019h 7m 18.129s
Declination (Dec) J2000+36° 6' 0.566"
Position Uncertainty0.0060s
Proper Motion in RA (J2000)/cos(Dec)-0.00005
Proper Motion in Dec (J2000)-0.004366
Radial Velocity-018.0km s-1
Trigonometric Parallax+0.00392s
Trigonometric Parallax Uncertainty0.00052s
GCI Unit Vector in X (J2000)0.233879
GCI Unit Vector in Y (J2000)-0.773399
GCI Unit Vector in Z (J2000)0.589199
Galactic Longitude67.24°
Galactic Latitude
12.65°
Observational Data
Observed Visual Magnitude (V)5.26
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.15
Observed B-V Colour-0.111
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB6IV
One-Dimensional Spectral ClassB5
Position Angle18
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))

 
[ 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 13:15:45 GMT+01:00 2001
 
The Bottom Line
HomeScienceMathsAstronomyDownloadBookshopContactAbout Top of Page