Identification Data |
Common Name | |
Constellation | Aries |
Star Name | 42pi Ari |
Skymap Number | 2490046 |
Henry Draper (HD) Number | 17543 |
Harvard Revised (HR) Number | 836 |
SAO Number | 93127 |
Durchmusterung (DM) Number | BD+16 355 |
Washington Double Stars (WDS) Number
| 02493+1728
|
Positional Data |
Position and Proper Motion (PPM) Number | 118581 |
Right Ascension (RA) J2000 | 2h 49m 17.559s |
Declination (Dec) J2000 | +17° 27' 51.512" |
Position Uncertainty | 0.0129s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00026 |
Proper Motion in Dec (J2000) | -0.014667 |
Radial Velocity | +008.8km s-1 |
Trigonometric Parallax | +0.00541s |
Trigonometric Parallax Uncertainty | 0.00106s |
GCI Unit Vector in X (J2000) | 0.705277 |
GCI Unit Vector in Y (J2000) | 0.642275 |
GCI Unit Vector in Z (J2000) | 0.300112 |
Galactic Longitude | 158.94° |
Galactic Latitude
| -37.04°
|
Observational Data |
Observed Visual Magnitude (V) | 5.32 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 5.23 |
Observed B-V Colour | -0.092 |
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 | 5.3 |
Observed Photographic Magnitude | 5.1 |
Morgan Keenan (MK) Spectral Type | B6V |
One-Dimensional Spectral Class | B5 |
Position Angle | 119 |
Year of Observation | 1983. AD |