Identification Data |
Common Name | |
Constellation | Lyra |
Star Name | 17 Lyr |
Skymap Number | 19070109 |
Henry Draper (HD) Number | 178449 |
Harvard Revised (HR) Number | 7261 |
SAO Number | 67835 |
Durchmusterung (DM) Number | BD+32 3326 |
Washington Double Stars (WDS) Number
| 19074+3230
|
Positional Data |
Position and Proper Motion (PPM) Number | 400254 |
Right Ascension (RA) J2000 | 19h 7m 25.580s |
Declination (Dec) J2000 | +32° 30' 6.258" |
Position Uncertainty | 0.0062s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00974 |
Proper Motion in Dec (J2000) | +0.032166 |
Radial Velocity | -031.0km s-1 |
Trigonometric Parallax | +0.02464s |
Trigonometric Parallax Uncertainty | 0.00054s |
GCI Unit Vector in X (J2000) | 0.244559 |
GCI Unit Vector in Y (J2000) | -0.807138 |
GCI Unit Vector in Z (J2000) | 0.537325 |
Galactic Longitude | 63.91° |
Galactic Latitude
| 11.11°
|
Observational Data |
Observed Visual Magnitude (V) | 5.23 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.58 |
Observed B-V Colour | +0.351 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.0 |
Observed Photographic Magnitude | 5.3 |
Morgan Keenan (MK) Spectral Type | F0V |
One-Dimensional Spectral Class | F0 |
Position Angle | 301 |
Year of Observation | 1963. AD |