| 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 |