Identification Data |
Common Name | Tyl |
Constellation | Draco |
Star Name | 63eps Dra |
Skymap Number | 19480048 |
Henry Draper (HD) Number | 188119 |
Harvard Revised (HR) Number | 7582 |
SAO Number | 9540 |
Durchmusterung (DM) Number | BD+69 1070 |
Washington Double Stars (WDS) Number
| 19482+7016
|
Positional Data |
Position and Proper Motion (PPM) Number | 10315 |
Right Ascension (RA) J2000 | 19h 48m 10.352s |
Declination (Dec) J2000 | +70° 16' 4.549" |
Position Uncertainty | 0.0067s |
Proper Motion in RA (J2000)/cos(Dec) | +0.01583 |
Proper Motion in Dec (J2000) | +0.039067 |
Radial Velocity | +003.1km s-1 |
Trigonometric Parallax | +0.02240s |
Trigonometric Parallax Uncertainty | 0.00045s |
GCI Unit Vector in X (J2000) | 0.153504 |
GCI Unit Vector in Y (J2000) | -0.300708 |
GCI Unit Vector in Z (J2000) | 0.941282 |
Galactic Longitude | 102.43° |
Galactic Latitude
| 20.83°
|
Observational Data |
Observed Visual Magnitude (V) | 3.84 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | |
Observed B Magnitude | 4.73 |
Observed B-V Colour | +0.888 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.001 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.0 |
Observed Photographic Magnitude | 5.0 |
Morgan Keenan (MK) Spectral Type | G7IIIbFe-1 |
One-Dimensional Spectral Class | K0 |
Position Angle | 16 |
Year of Observation | 1976. AD |