ASASSN-21qj
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Puppis |
| Right ascension | 08h 15m 23.300s |
| Declination | −38° 59′ 23.30″ |
| Apparent magnitude (V) | 13.48±0.034 |
| Astrometry | |
| Radial velocity (Rv) | 25.8±3 km/s |
| Proper motion (μ) | RA: −9.692 mas/yr Dec.: 7.349 mas/yr |
| Parallax (π) | 1.7631±0.0112 mas |
| Distance | 1,850 ± 10 ly (567 ± 4 pc) |
| Details | |
| Mass | 0.94 ± 0.07 M☉ |
| Radius | 1.045 R☉ |
| Surface gravity (log g) | 4.339±0.005 cgs |
| Temperature | 5,760±10 K |
| Metallicity [Fe/H] | −0.23±0.01 dex |
| Rotation | 4.43 ± 0.33 days |
| Age | 300±92 Myr |
| Other designations | |
| ASASSN -21qj, 2MASS J08152329-3859234, Gaia DR3 5539970601632026752 | |
| Database references | |
| SIMBAD | data |
ASASSN-21qj, also known as 2MASS J08152329-3859234, is a Sun-like main sequence star with a rotating disk of circumstellar dust and gas which are leftovers from its stellar formation around 300 million years ago. The star is located 1,850 light years (567.2 parsecs) from Earth in the constellation of Puppis.