| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Carina |
| A | |
| Right ascension | 09h 50m 19.201s[1] |
| Declination | −66° 06′ 49.90″[1] |
| B | |
| Right ascension | 09h 50m 18.697s[2] |
| Declination | −66° 06′ 53.00″[2] |
| Characteristics | |
| A | |
| Evolutionary stage | main sequence |
| Spectral type | A3V[3] |
| Variable type | planetary transit |
| B | |
| Evolutionary stage | main sequence |
| Spectral type | K8V[4] |
| Astrometry | |
| A | |
| Proper motion (μ) | RA: 5.910±0.019[1] mas/yr Dec.: −15.044±0.019[1] mas/yr |
| Parallax (π) | 5.9437 ± 0.0170 mas[1] |
| Distance | 549 ± 2 ly (168.2 ± 0.5 pc) |
| B | |
| Proper motion (μ) | RA: 5.702±0.032[2] mas/yr Dec.: −13.161±0.029[2] mas/yr |
| Parallax (π) | 5.9266 ± 0.0253 mas[2] |
| Distance | 550 ± 2 ly (168.7 ± 0.7 pc) |
| Details[4] | |
| A | |
| Mass | 1.75 M☉ |
| Radius | 1.92 R☉ |
| Luminosity | 12.2 L☉ |
| Surface gravity (log g) | 4.1 cgs |
| Temperature | 7,800 K |
| Metallicity [Fe/H] | ~0 dex |
| Age | 0.8 Gyr |
| B | |
| Mass | 0.6 M☉ |
| Other designations | |
bRing-1, HD 85628, MASCARA-4 | |
| Database references | |
| SIMBAD | data |
HD 85628 (MASCARA-4) is a binary star system in the constellation of Carina.[5] The host star, HD 85628 A, is an A-type main-sequence star, the primary star of the system, with a hot Jupiter in orbit around it. The secondary star is HD 85628 B, a K-type main-sequence star. Little is known about it.
dr3a was invoked but never defined (see the help page).dr3b was invoked but never defined (see the help page).houk1975 was invoked but never defined (see the help page).dorval2020 was invoked but never defined (see the help page).1g was invoked but never defined (see the help page).