WISPIT 1
SPHERE/IRDIS H-band imagery of the WISPIT 1 system taken on 2022 November 19. The stellar binary WISPIT 1 (behind the coronagraph) in the upper left. Companions highlighted with coloured boxes, with zoomed-in images in the bottom panels. Credit: R. F. van Capelleveen et al. | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Puppis |
| Right ascension | 07h 51m 11.69s |
| Declination | −50° 08′ 15.88″ |
| Apparent magnitude (V) | 13.146 |
| Characteristics | |
| Evolutionary stage | pre-main-sequence star |
| Spectral type | K4V + M5.5V |
| Astrometry | |
| Radial velocity (Rv) | 21.08±5.61 km/s |
| Proper motion (μ) | RA: −19.824±0.016 mas/yr Dec.: 14.021±0.017 mas/yr |
| Parallax (π) | 4.3652±0.0137 mas |
| Distance | 747 ± 2 ly (229.1 ± 0.7 pc) |
| Details | |
| A | |
| Temperature | 4670+990 −540 K |
| Age | 15.6+4.1 −3.7 Myr |
| B | |
| Temperature | 2900+560 −280 K |
| Other designations | |
| TIC 268764100, 2MASS J07511168-5008158, WISE J075111.66-500815.8, Gaia DR2 5517037434775143808, Gaia DR3 5517037434775143808, UCAC4 200-015587 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
WISPIT 1 is a young binary star system hosting two giant exoplanets on wide orbits. The system was the first target of the astronomical survey Wide Separation Planets In Time (WISPIT), which observed the system with VLT/SPHERE in the near-infrared range, obtaining direct images of the two circumbinary planets, as well as discovering the binary nature of the star. WISPIT 1 is the first directly imaged multi-planet system around a binary star with a solar-type primary.