Identification Data |
Common Name | |
Constellation | Vulpecula |
Star Name | 27 Vul |
Skymap Number | 20370024 |
Henry Draper (HD) Number | 196504 |
Harvard Revised (HR) Number | 7880 |
SAO Number | 88903 |
Durchmusterung (DM) Number | BD+25 4302 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 111513 |
Right Ascension (RA) J2000 | 20h 37m 4.673s |
Declination (Dec) J2000 | +26° 27' 43.010" |
Position Uncertainty | 0.0064s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00121 |
Proper Motion in Dec (J2000) | -0.011466 |
Radial Velocity | -021.8km s-1 |
Trigonometric Parallax | +0.01068s |
Trigonometric Parallax Uncertainty | 0.00067s |
GCI Unit Vector in X (J2000) | 0.566653 |
GCI Unit Vector in Y (J2000) | -0.693067 |
GCI Unit Vector in Z (J2000) | 0.445603 |
Galactic Longitude | 68.73° |
Galactic Latitude
| -8.70°
|
Observational Data |
Observed Visual Magnitude (V) | 5.60 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.55 |
Observed B-V Colour | -0.053 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.5 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B9V |
One-Dimensional Spectral Class | B9 |
Position Angle | |
Year of Observation | AD |