Identification Data |
Common Name | |
Constellation | Vulpecula |
Star Name | 1 Vul |
Skymap Number | 19160045 |
Henry Draper (HD) Number | 180554 |
Harvard Revised (HR) Number | 7306 |
SAO Number | 87010 |
Durchmusterung (DM) Number | BD+21 3713 |
Washington Double Stars (WDS) Number
| 19162+2123
|
Positional Data |
Position and Proper Motion (PPM) Number | 108693 |
Right Ascension (RA) J2000 | 19h 16m 13.040s |
Declination (Dec) J2000 | +21° 23' 25.540" |
Position Uncertainty | 0.0062s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00005 |
Proper Motion in Dec (J2000) | -0.006166 |
Radial Velocity | -025.2km s-1 |
Trigonometric Parallax | +0.00358s |
Trigonometric Parallax Uncertainty | 0.00060s |
GCI Unit Vector in X (J2000) | 0.303977 |
GCI Unit Vector in Y (J2000) | -0.880100 |
GCI Unit Vector in Z (J2000) | 0.364721 |
Galactic Longitude | 54.75° |
Galactic Latitude
| 4.41°
|
Observational Data |
Observed Visual Magnitude (V) | 4.77 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.70 |
Observed B-V Colour | -0.074 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.6 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B4IV |
One-Dimensional Spectral Class | B5 |
Position Angle | 13 |
Year of Observation | 1924. AD |