Identification Data |
Common Name | |
Constellation | Lyra |
Star Name | 18iot Lyr |
Skymap Number | 19070073 |
Henry Draper (HD) Number | 178475 |
Harvard Revised (HR) Number | 7262 |
SAO Number | 67834 |
Durchmusterung (DM) Number | BD+35 3485 |
Washington Double Stars (WDS) Number
| 19073+3606
|
Positional Data |
Position and Proper Motion (PPM) Number | 82340 |
Right Ascension (RA) J2000 | 19h 7m 18.129s |
Declination (Dec) J2000 | +36° 6' 0.566" |
Position Uncertainty | 0.0060s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00005 |
Proper Motion in Dec (J2000) | -0.004366 |
Radial Velocity | -018.0km s-1 |
Trigonometric Parallax | +0.00392s |
Trigonometric Parallax Uncertainty | 0.00052s |
GCI Unit Vector in X (J2000) | 0.233879 |
GCI Unit Vector in Y (J2000) | -0.773399 |
GCI Unit Vector in Z (J2000) | 0.589199 |
Galactic Longitude | 67.24° |
Galactic Latitude
| 12.65°
|
Observational Data |
Observed Visual Magnitude (V) | 5.26 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.15 |
Observed B-V Colour | -0.111 |
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 | 5.1 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | B6IV |
One-Dimensional Spectral Class | B5 |
Position Angle | 18 |
Year of Observation | 1992. AD |