HD 179949
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| 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 | |
|
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.
[edit] 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 |
|---|---|---|---|---|
| b | >0.916 ± 0.076 MJ | 0.0443 ± 0.0026 | 3.092514 ± 0.000032 | 0.022 ± 0.015 |
[edit] References
- ^ Tinney 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. arXiv:astro-ph/0012204. Bibcode 2001ApJ...551..507T. doi:10.1086/320097. http://www.iop.org/EJ/article/0004-637X/551/1/507/53098.html.
- ^ Butler et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646 (1): 505–522. arXiv:astro-ph/0607493. Bibcode 2006ApJ...646..505B. doi:10.1086/504701. http://www.iop.org/EJ/article/0004-637X/646/1/505/64046.html.
[edit] External links
Coordinates: 
19h 15m 33.23s, −24° 10′ 45.67″
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