Identification Data |
Common Name | |
Constellation | Delphinus |
Star Name | 7kap Del |
Skymap Number | 20390029 |
Henry Draper (HD) Number | 196755 |
Harvard Revised (HR) Number | 7896 |
SAO Number | 126059 |
Durchmusterung (DM) Number | BD+09 4600 |
Washington Double Stars (WDS) Number
| 20391+1005
|
Positional Data |
Position and Proper Motion (PPM) Number | 138772 |
Right Ascension (RA) J2000 | 20h 39m 7.784s |
Declination (Dec) J2000 | +10° 5' 10.331" |
Position Uncertainty | 0.0087s |
Proper Motion in RA (J2000)/cos(Dec) | +0.02191 |
Proper Motion in Dec (J2000) | +0.021166 |
Radial Velocity | -052.0km s-1 |
Trigonometric Parallax | +0.03327s |
Trigonometric Parallax Uncertainty | 0.00082s |
GCI Unit Vector in X (J2000) | 0.629985 |
GCI Unit Vector in Y (J2000) | -0.756603 |
GCI Unit Vector in Z (J2000) | 0.175130 |
Galactic Longitude | 55.19° |
Galactic Latitude
| -18.47°
|
Observational Data |
Observed Visual Magnitude (V) | 5.07 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | |
Observed B Magnitude | 5.77 |
Observed B-V Colour | +0.702 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.013 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.2 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | G2IV |
One-Dimensional Spectral Class | G5 |
Position Angle | 282 |
Year of Observation | 1970. AD |