Identification Data |
Common Name | |
Constellation | Scorpius |
Star Name | 25 Sco |
Skymap Number | 16460139 |
Henry Draper (HD) Number | 151179 |
Harvard Revised (HR) Number | 6225 |
SAO Number | 184630 |
Durchmusterung (DM) Number | CD-2511667 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 265949 |
Right Ascension (RA) J2000 | 16h 46m 51.343s |
Declination (Dec) J2000 | -25° 31' 42.852" |
Position Uncertainty | 0.0108s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00039 |
Proper Motion in Dec (J2000) | -0.013866 |
Radial Velocity | +002.0km s-1 |
Trigonometric Parallax | +0.00432s |
Trigonometric Parallax Uncertainty | 0.00093s |
GCI Unit Vector in X (J2000) | -0.283129 |
GCI Unit Vector in Y (J2000) | -0.856802 |
GCI Unit Vector in Z (J2000) | -0.430961 |
Galactic Longitude | 355.26° |
Galactic Latitude
| 12.64°
|
Observational Data |
Observed Visual Magnitude (V) | 6.72 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.007 |
Observed B Magnitude | 7.87 |
Observed B-V Colour | +1.153 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.011 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.8 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | gG6 |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |