Identification Data |
Common Name | |
Constellation | Delphinus |
Star Name | 12gam1Del |
Skymap Number | 20460242 |
Henry Draper (HD) Number | 197963 |
Harvard Revised (HR) Number | 7947 |
SAO Number | 106475 |
Durchmusterung (DM) Number | BD+15 4255 |
Washington Double Stars (WDS) Number
| 20467+1607
|
Positional Data |
Position and Proper Motion (PPM) Number | |
Right Ascension (RA) J2000 | 20h 46m 38.864s |
Declination (Dec) J2000 | +16° 7' 26.881" |
Position Uncertainty | 0.0303s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00042 |
Proper Motion in Dec (J2000) | -0.201767 |
Radial Velocity | -007.0km s-1 |
Trigonometric Parallax | +0.03169s |
Trigonometric Parallax Uncertainty | 0.00237s |
GCI Unit Vector in X (J2000) | 0.638585 |
GCI Unit Vector in Y (J2000) | -0.717692 |
GCI Unit Vector in Z (J2000) | 0.277719 |
Galactic Longitude | 61.50° |
Galactic Latitude
| -16.57°
|
Observational Data |
Observed Visual Magnitude (V) | 5.09 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 5.62 |
Observed B-V Colour | +0.525 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.5 |
Observed Photographic Magnitude | 6.3 |
Morgan Keenan (MK) Spectral Type | F7V |
One-Dimensional Spectral Class | F8 |
Position Angle | 267 |
Year of Observation | 1988. AD |