Identification Data |
Common Name | |
Constellation | Aquarius |
Star Name | 15 Aqr |
Skymap Number | 21180033 |
Henry Draper (HD) Number | 202753 |
Harvard Revised (HR) Number | 8141 |
SAO Number | 145278 |
Durchmusterung (DM) Number | SD-05 5512 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 205042 |
Right Ascension (RA) J2000 | 21h 18m 11.072s |
Declination (Dec) J2000 | -4° 31' 10.122" |
Position Uncertainty | 0.0107s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00079 |
Proper Motion in Dec (J2000) | +0.013766 |
Radial Velocity | -009.0km s-1 |
Trigonometric Parallax | +0.00333s |
Trigonometric Parallax Uncertainty | 0.00086s |
GCI Unit Vector in X (J2000) | 0.758563 |
GCI Unit Vector in Y (J2000) | -0.646818 |
GCI Unit Vector in Z (J2000) | -0.078798 |
Galactic Longitude | 47.08° |
Galactic Latitude
| -34.47°
|
Observational Data |
Observed Visual Magnitude (V) | 5.83 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 5.70 |
Observed B-V Colour | -0.126 |
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 | 6.0 |
Observed Photographic Magnitude | 5.6 |
Morgan Keenan (MK) Spectral Type | B5V |
One-Dimensional Spectral Class | B8 |
Position Angle | |
Year of Observation | AD |