HD 37974
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| Observation data Epoch J2000 |
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| Constellation (pronunciation) |
Dorado |
| Right ascension | 05h 36m 25.87s |
| Declination | -69° 22' 55.9"' |
| Apparent magnitude (V) | 10.91 |
| Characteristics | |
| Spectral type | Be |
| U-B color index | ? |
| B-V color index | ? |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | 258 km/s |
| Absolute magnitude (MV) | 11.1 |
| Details | |
| Mass | 70 M☉ |
| Radius | ? R☉ |
| Luminosity | ? L☉ |
| Temperature | ? K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Other designations | |
HD 37974 or R 66, NASA's Spitzer space telescope has identified two stars R 66 or HDE 268835 (30 SM) and R 126 or HD 37974 (70 SM) circled by monstrous dust disks located at Milky Way's nearest neighbor galaxy, the Large Magellanic Cloud. Dust disks around stars are theorised to be the origin of planets.
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