HD 268835
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Mensa |
| Right ascension | 04h 56m 47.0791s |
| Declination | −69° 50′ 24.792″ |
| Apparent magnitude (V) | 10.6 |
| Characteristics | |
| Spectral type | B8Iae |
| U−B color index | -0.66 |
| B−V color index | 0.14 |
| Variable type | LBV? |
| Astrometry | |
| Radial velocity (Rv) | 278 km/s |
| Proper motion (μ) | RA: 1.63 mas/yr Dec.: -2.38 mas/yr |
| Absolute magnitude (MV) | -8.5 |
| Details | |
| Mass | <30 M☉ |
| Radius | 131 R☉ |
| Luminosity | 320,000 L☉ |
| Temperature | 12,000 K |
| Other designations | |
| HD 268835, HIP 22989, CD-70°273 | |
| Database references | |
| SIMBAD | data |
HD 268835 (or R66) (30 SM) is one of two stars that were identified by NASA's Spitzer Space Telescope in the Milky Way's nearest neighbor galaxy, the Large Magellanic Cloud (the other being R 126 or HD 37974), as being circled by monstrous dust disks that are theorised to be the origin of planets.