NGC 4349-127
From Wikipedia, the free encyclopedia
| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Crux |
| Right ascension | 12h 24m 08s |
| Declination | −61º 52' 18″ |
| Apparent magnitude (V) | +7.4 |
| Absolute magnitude (V) | −4.3 |
| Distance | 7097 ly (2176 pc) |
| Spectral type | ? |
| Other designations | |
|
n/a
|
|
NGC 4349-127 is probably a red giant star located in Crux constellation. It is extremely distant star, located 67.15 Em away from our local star. It is the member of the open cluster NGC 4349. It has mass as high as 3.9 times solar and it is only 1/5 gigayears old.
In 2007, this star is found to have a brown dwarf companion.
[edit] NGC 4349-127 b
| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Orbital elements | ||
| Semimajor axis | (a) | 2.38 AU |
| Eccentricity | (e) | 0.19 ± 0.07 |
| Orbital period | (P) | 677.8 ± 6.2 d |
| Angular distance | (θ) | 1.09 mas |
| Longitude of periastron |
(ω) | 61 ± 19° |
| Time of periastron | (T0) | 2,454,114 ± 34 JD |
| Semi-amplitude | (K) | 19.7 ± 3.6 m/s |
| Physical characteristics | ||
| Mass | (m) | >19.8 MJ |
| Discovery information | ||
| Discovery date | 2007 | |
| Discoverer(s) | ||
| Detection method | Doppler Spectroscopy | |
| Discovery status | Published | |
NGC 4349-127 b is a brown dwarf with mass nearly 20 times that of Jupiter. Its orbit is moderately eccentric, about the same as Mercury in our own solar system. This planet orbits at a distance of 356 Gm, taking 58.56 Ms to revolve.
This brown dwarf was found by using Doppler spectrometer.
[edit] See also
[edit] External links
- Notes for star NGC 4349-127. The Extrasolar Planets Encyclopaedia.
- Notes for planet NGC 4349-127 b. The Extrasolar Planets Encyclopaedia.
 |
This star-related article is a stub. You can help Wikipedia by expanding it. |
