Identification Data |
Common Name | |
Constellation | Ophiuchus |
Star Name | 36 Oph |
Skymap Number | 17150198 |
Henry Draper (HD) Number | 155885 |
Harvard Revised (HR) Number | 6401 |
SAO Number | 185199 |
Durchmusterung (DM) Number | CD-2612026 |
Washington Double Stars (WDS) Number
| 17153-2636
|
Positional Data |
Position and Proper Motion (PPM) Number | 266613 |
Right Ascension (RA) J2000 | 17h 15m 20.978s |
Declination (Dec) J2000 | -26° 36' 10.186" |
Position Uncertainty | 0.0107s |
Proper Motion in RA (J2000)/cos(Dec) | -0.03532 |
Proper Motion in Dec (J2000) | -1.143967 |
Radial Velocity | +000.4km s-1 |
Trigonometric Parallax | +0.16708s |
Trigonometric Parallax Uncertainty | 0.00107s |
GCI Unit Vector in X (J2000) | -0.173098 |
GCI Unit Vector in Y (J2000) | -0.877217 |
GCI Unit Vector in Z (J2000) | -0.447803 |
Galactic Longitude | 358.30° |
Galactic Latitude
| 6.88°
|
Observational Data |
Observed Visual Magnitude (V) | 4.33 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | |
Observed B Magnitude | 5.19 |
Observed B-V Colour | +0.855 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.010 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.3 |
Observed Photographic Magnitude | 6.3 |
Morgan Keenan (MK) Spectral Type | K1V |
One-Dimensional Spectral Class | K0 |
Position Angle | 150 |
Year of Observation | 1991. AD |