HD 163296
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Sagittarius |
| Right ascension | 17h 56m 21.29s |
| Declination | −21° 57′ 21.87″ |
| Apparent magnitude (V) | 6.85 |
| Characteristics | |
| Evolutionary stage | Herbig Ae star |
| Spectral type | A3VaekA1mA1 |
| Astrometry | |
| Radial velocity (Rv) | -4.00 ±3.3 km/s |
| Proper motion (μ) | RA: -7.586 ±0.041 mas/yr Dec.: -39.458 ±0.029 mas/yr |
| Parallax (π) | 9.9043±0.0408 mas |
| Distance | 329 ± 1 ly (101.0 ± 0.4 pc) |
| Details | |
| Mass | 1.95±0.07 M☉ |
| Radius | 1.87±0.05 R☉ |
| Luminosity | 20.4+3.6 −3.0 L☉ |
| Surface gravity (log g) | 4.10±0.10 cgs |
| Temperature | 9000±250 K |
| Age | 6.03+0.28 −0.27 Myr |
| Other designations | |
| BD-21 4779, CPD-21 6508, EM* MWC 275, HIP 87819, IRAS 17533-2156, 2MASS J17562128-2157218, PDS 473, TYC 6262-2131-1, | |
| Database references | |
| SIMBAD | data |
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HD 163296 is a young Herbig Ae star surrounded by a protoplanetary disk. The disk is a popular target to study disk composition, and several works suggested the presence of protoplanets inside the gaps of the disk.