Astronomy
Constellations - Triangulum - 2alp Tri (Metallah)

 
Identification Data
Common NameMetallah
ConstellationTriangulum
Star Name2alp Tri
Skymap Number1530014
Henry Draper (HD) Number11443
Harvard Revised (HR) Number544
SAO Number74996
Durchmusterung (DM) NumberBD+28 312
Washington Double Stars (WDS) Number
01531+2935
Positional Data
Position and Proper Motion (PPM) Number91161
Right Ascension (RA) J20001h 53m 4.907s
Declination (Dec) J2000+29° 34' 43.785"
Position Uncertainty0.0074s
Proper Motion in RA (J2000)/cos(Dec)+0.00092
Proper Motion in Dec (J2000)-0.233766
Radial Velocity-016.2km s-1
Trigonometric Parallax+0.05087s
Trigonometric Parallax Uncertainty0.00082s
GCI Unit Vector in X (J2000)0.765944
GCI Unit Vector in Y (J2000)0.411909
GCI Unit Vector in Z (J2000)0.493621
Galactic Longitude138.65°
Galactic Latitude
-31.40°
Observational Data
Observed Visual Magnitude (V)3.42
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.91
Observed B-V Colour+0.492
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.6
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF6IV
One-Dimensional Spectral ClassF5
Position Angle309
Year of Observation1909. 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 13:15:51 GMT+01:00 2001