Identification Data |
Common Name | |
Constellation | Vulpecula |
Star Name | 17 Vul |
Skymap Number | 20060238 |
Henry Draper (HD) Number | 190993 |
Harvard Revised (HR) Number | 7688 |
SAO Number | 88212 |
Durchmusterung (DM) Number | BD+23 3896 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 110432 |
Right Ascension (RA) J2000 | 20h 6m 53.407s |
Declination (Dec) J2000 | +23° 36' 51.931" |
Position Uncertainty | 0.0053s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00110 |
Proper Motion in Dec (J2000) | +0.000566 |
Radial Velocity | -005.1km s-1 |
Trigonometric Parallax | +0.00668s |
Trigonometric Parallax Uncertainty | 0.00071s |
GCI Unit Vector in X (J2000) | 0.481776 |
GCI Unit Vector in Y (J2000) | -0.779376 |
GCI Unit Vector in Z (J2000) | 0.400580 |
Galactic Longitude | 62.49° |
Galactic Latitude
| -4.65°
|
Observational Data |
Observed Visual Magnitude (V) | 5.08 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.91 |
Observed B-V Colour | -0.166 |
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 | 5.1 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B3V |
One-Dimensional Spectral Class | B3 |
Position Angle | |
Year of Observation | AD |