HD 179949
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Sagittarius |
Right ascension | 19h 15m 33.23s |
Declination | -24° 10' 45.67" |
Apparent magnitude (V) | 6.25 |
Distance | 88.18 ly (27.05 pc) |
Spectral type | F8V |
Other designations | |
V5652 Sgr, GJ 749, CD-24°15161, HR 7291, HIP 94645 |
HD 179949 is a 6th magnitude star in the constellation of Sagittarius. It is a yellow-white dwarf (spectral class F8 V), a type of star hotter and more luminous than our Sun. The star is located at 88 light years from Earth and might be visible under exceptionally good conditions to an experienced observer without technical aid; usually binoculars are needed.
Planetary system
The only known planet orbiting HD 179949 is HD 179949 b.[1]
Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | 0.98 ± 0.004 MJ | 0.0443 ± 0.0026 | 3.092514 ± 0.000032 | 0.022 ± 0.015 | 67.7±4.3° | — |
References
- ↑ Tinney, C. G.; et al. (2001). "First Results from the Anglo-Australian Planet Search: A Brown Dwarf Candidate and a 51 Peglike Planet". The Astrophysical Journal. 551 (1): 507–511. Bibcode:2001ApJ...551..507T. arXiv:astro-ph/0012204 . doi:10.1086/320097.
- ↑ Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. Bibcode:2006ApJ...646..505B. arXiv:astro-ph/0607493 . doi:10.1086/504701.
- ↑ http://arxiv.org/pdf/1404.3769v1.pdf
External links
Coordinates: 19h 15m 33.23s, −24° 10′ 45.67″
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