Identification Data |
Common Name | |
Constellation | Cetus |
Star Name | 89pi Cet |
Skymap Number | 2440019 |
Henry Draper (HD) Number | 17081 |
Harvard Revised (HR) Number | 811 |
SAO Number | 148575 |
Durchmusterung (DM) Number | SD-14 519 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 211922 |
Right Ascension (RA) J2000 | 2h 44m 7.349s |
Declination (Dec) J2000 | -13° 51' 31.307" |
Position Uncertainty | 0.0092s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00052 |
Proper Motion in Dec (J2000) | -0.008466 |
Radial Velocity | +015.4km s-1 |
Trigonometric Parallax | +0.00740s |
Trigonometric Parallax Uncertainty | 0.00085s |
GCI Unit Vector in X (J2000) | 0.732399 |
GCI Unit Vector in Y (J2000) | 0.637352 |
GCI Unit Vector in Z (J2000) | -0.239528 |
Galactic Longitude | 191.81° |
Galactic Latitude
| -60.57°
|
Observational Data |
Observed Visual Magnitude (V) | 4.25 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.13 |
Observed B-V Colour | -0.116 |
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 | 4.4 |
Observed Photographic Magnitude | 4.3 |
Morgan Keenan (MK) Spectral Type | B7V |
One-Dimensional Spectral Class | B5 |
Position Angle | |
Year of Observation | AD |