Identification Data |
Common Name | |
Constellation | Lyra |
Star Name | 6zet1Lyr |
Skymap Number | 18440194 |
Henry Draper (HD) Number | 173648 |
Harvard Revised (HR) Number | 7056 |
SAO Number | 67321 |
Durchmusterung (DM) Number | BD+37 3222 |
Washington Double Stars (WDS) Number
| 18448+3736
|
Positional Data |
Position and Proper Motion (PPM) Number | 81740 |
Right Ascension (RA) J2000 | 18h 44m 46.357s |
Declination (Dec) J2000 | +37° 36' 18.413" |
Position Uncertainty | 0.0069s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00246 |
Proper Motion in Dec (J2000) | +0.026666 |
Radial Velocity | -026.0km s-1 |
Trigonometric Parallax | +0.02123s |
Trigonometric Parallax Uncertainty | 0.00054s |
GCI Unit Vector in X (J2000) | 0.153786 |
GCI Unit Vector in Y (J2000) | -0.777166 |
GCI Unit Vector in Z (J2000) | 0.610216 |
Galactic Longitude | 66.86° |
Galactic Latitude
| 17.38°
|
Observational Data |
Observed Visual Magnitude (V) | 4.34 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 4.55 |
Observed B-V Colour | +0.208 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.3 |
Observed Photographic Magnitude | 4.4 |
Morgan Keenan (MK) Spectral Type | A4m |
One-Dimensional Spectral Class | A3 |
Position Angle | 50 |
Year of Observation | 1934. AD |