HD 93273, a white star in Leo
HD 93273 is a white star in the constellation Leo. At 469 light years away, it shines at an apparent visual magnitude of 6.91.
HD 93273 (HIP 52683)
HD 93273 is a white star in the constellation Leo. At 469 light years away, it shines at an apparent visual magnitude of 6.91.
Sky position: RA 10h 46.3m, Dec +12° 44.9'
Common designations: HD 93273, HIP 52683, Gaia DR3 3872479579365669888
HD 93273 has the spectral type A2. A-type stars are white stars with surface temperatures of roughly 7,500 to 10,000 K. Their spectra are dominated by strong hydrogen lines, and many of them rotate rapidly.
How to find HD 93273 in the sky
HD 93273 lies in Leo. With a declination of +12° 44.9', it is visible from the entire Northern Hemisphere and from the Southern Hemisphere down to about latitude 77° S. It is just beyond naked-eye visibility; binoculars will show it easily. It is highest in the sky at local midnight around March, which makes the weeks around that month the best time to observe it.
Tabulated data for HD 93273
Astrometry and spectroscopy
| Right Ascension (J2000) | 161.58048088° (10h 46.3m) |
| Declination (J2000) | 12.74784161° (+12° 44.9') |
| Galactic Longitude | 232.87170470° |
| Galactic Latitude | 57.40467113° |
| Proper motion RA | -1.71 mas/yr |
| Proper motion Dec | -32.52 mas/yr |
| Parallax | 6.96 ± 0.03 mas |
| Spectral Type | A2 |
Photometry
| Band | Magnitude | Abs. Mag. |
|---|---|---|
| B | 7.01 | 1.22 |
| V | 6.91 | 1.12 |
| J | 6.62 | 0.83 |
| H | 6.57 | 0.78 |
| K | 6.54 | 0.75 |
Colour index B-V: +0.10
Derivations
- Heliocentric distance: 143.77 pc (469 light years) (0.5% margin of error)
- Absolute visual magnitude: 1.12
- Transverse velocity: 22.2 km/s
Data: Extended Hipparcos Compilation (XHIP) and SIMBAD.