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Revision as of 04:15, 23 December 2024
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Centaurus |
| Right ascension | 13 50 06.28 |
| Declination | −40° 50′ 08.88″ |
| Apparent magnitude (V) | 9.80±0.03 |
| Characteristics | |
| Evolutionary stage | Main sequence |
| Spectral type | G0V |
| Astrometry | |
| Proper motion (μ) | RA: -28.843±0.108 mas/yr Dec.: -22.425±0.107 mas/yr |
| Parallax (π) | 7.8288 ± 0.0671 mas |
| Distance | 417 ± 4 ly (128 ± 1 pc) |
| Details | |
| Mass | 1.22±0.05 M☉ |
| Radius | 1.38±0.06 R☉ |
| Luminosity | 1.75±0.09 L☉ |
| Temperature | 5,675±75 K |
| Rotation | 1.418±0.016 days |
| Rotational velocity (v sin i) | 54.2±0.7 km/s |
| Age | 17±2 Myr |
| Database references | |
| SIMBAD | data |
HIP 67522 is a G-class star which, by comparison with the Sun, is slightly larger (1.38 R☉) and cooler (5675 K versus 5772 K for the Sun). It lies about 127 parsecs away in the constellation Centaurus. Its visual magnitude of 9.8 makes it much too faint to be seen by the unaided eye.
Two exoplanets, HIP 67522 b and HIP 67522 c, are known to orbit the star and transit its face as seen from Earth. Their orbital periods are much less than Mercury's 88 days around the Sun, being 6.96 days for b and 14.33 days for c.
References
- ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
- Rizzuto, Aaron C.; et al. (13) (22 June 2020). "TESS Hunt for Young and Maturing Exoplanets (THYME). II. A 17 Myr Old Transiting Hot Jupiter in the Sco-Cen Association". The Astronomical Journal. 160 (1): 33. arXiv:2005.00013. Bibcode:2020AJ....160...33R. doi:10.3847/1538-3881/ab94b7.
- "HIP 67522 Overview".
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