Identification Data |
Common Name | |
Constellation | Vulpecula |
Star Name | 28 Vul |
Skymap Number | 20380120 |
Henry Draper (HD) Number | 196740 |
Harvard Revised (HR) Number | 7894 |
SAO Number | 88945 |
Durchmusterung (DM) Number | BD+23 4084 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 111576 |
Right Ascension (RA) J2000 | 20h 38m 31.914s |
Declination (Dec) J2000 | +24° 6' 57.450" |
Position Uncertainty | 0.0061s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00073 |
Proper Motion in Dec (J2000) | -0.007866 |
Radial Velocity | -022.0km s-1 |
Trigonometric Parallax | +0.00661s |
Trigonometric Parallax Uncertainty | 0.00066s |
GCI Unit Vector in X (J2000) | 0.582195 |
GCI Unit Vector in Y (J2000) | -0.702928 |
GCI Unit Vector in Z (J2000) | 0.408585 |
Galactic Longitude | 67.01° |
Galactic Latitude
| -10.35°
|
Observational Data |
Observed Visual Magnitude (V) | 5.06 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.93 |
Observed B-V Colour | -0.135 |
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 | 5.0 |
Observed Photographic Magnitude | 4.9 |
Morgan Keenan (MK) Spectral Type | B5IV |
One-Dimensional Spectral Class | B5 |
Position Angle | |
Year of Observation | AD |