Identification Data |
Common Name | |
Constellation | Saggitarius |
Star Name | 3 Sgr |
Skymap Number | 17470096 |
Henry Draper (HD) Number | 161592 |
Harvard Revised (HR) Number | 6616 |
SAO Number | 185755 |
Durchmusterung (DM) Number | CD-2711930 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 267303 |
Right Ascension (RA) J2000 | 17h 47m 33.624s |
Declination (Dec) J2000 | -27° 49' 50.839" |
Position Uncertainty | 0.0108s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00027 |
Proper Motion in Dec (J2000) | -0.010766 |
Radial Velocity | -013.0km s-1 |
Trigonometric Parallax | +0.00303s |
Trigonometric Parallax Uncertainty | 0.00094s |
GCI Unit Vector in X (J2000) | -0.047976 |
GCI Unit Vector in Y (J2000) | -0.883028 |
GCI Unit Vector in Z (J2000) | -0.466862 |
Galactic Longitude | 1.17° |
Galactic Latitude
| 0.21°
|
Observational Data |
Observed Visual Magnitude (V) | 4.56 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.031 |
Observed B Magnitude | 5.28 |
Observed B-V Colour | +0.719 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.045 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | F7II |
One-Dimensional Spectral Class | F8 |
Position Angle | |
Year of Observation | AD |