Identification Data |
Common Name | Sualocin |
Constellation | Delphinus |
Star Name | 9alp Del |
Skymap Number | 20390139 |
Henry Draper (HD) Number | 196867 |
Harvard Revised (HR) Number | 7906 |
SAO Number | 106357 |
Durchmusterung (DM) Number | BD+15 4222 |
Washington Double Stars (WDS) Number
| 20396+1555
|
Positional Data |
Position and Proper Motion (PPM) Number | 138790 |
Right Ascension (RA) J2000 | 20h 39m 38.287s |
Declination (Dec) J2000 | +15° 54' 43.488" |
Position Uncertainty | 0.0104s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00366 |
Proper Motion in Dec (J2000) | +0.009767 |
Radial Velocity | -003.4km s-1 |
Trigonometric Parallax | +0.01355s |
Trigonometric Parallax Uncertainty | 0.00071s |
GCI Unit Vector in X (J2000) | 0.616994 |
GCI Unit Vector in Y (J2000) | -0.737667 |
GCI Unit Vector in Z (J2000) | 0.274162 |
Galactic Longitude | 60.31° |
Galactic Latitude
| -15.32°
|
Observational Data |
Observed Visual Magnitude (V) | 3.78 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 3.73 |
Observed B-V Colour | -0.047 |
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 | 3.9 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B9IV |
One-Dimensional Spectral Class | B8 |
Position Angle | 212 |
Year of Observation | 1991. AD |