2MASS J2126–8140 explained
| 2MASS J21265040−8140293 |
| Discoverer: | K. L. Cruz, J. D. Kirkpatrick, A. J. Burgasser[1] [2] |
| Discovered: | 2009 |
| Discovery Method: | Direct imaging |
| Discovery Ref: | [3] |
| Apsis: | astron |
| Semimajor: | NaNAU |
| Period: | 328,725,000 days (~900,000 years) |
| Star: | TYC 9486-927-1 |
| Single Temperature: | [4] |
| Spectral Type: | L3.0 |
| Magnitude: | 20.72 (G-band) |
2MASS J21265040−8140293, also known as 2MASS J2126−8140,[2] is an exoplanet orbiting the red dwarf TYC 9486-927-1, 111.4 light-years away from Earth. Its estimated mass, age (10-45 million years), spectral type (L3), and Teff (1800 K) are similar to the well-studied planet β Pictoris b.[2] With an estimated distance of around 1 trillion kilometres from the host star, this is one of the largest solar systems ever found.[5]
See also
Notes and References
- 10.1088/0004-6256/137/2/3345 . Cruz . Kelle L. . Kirkpatrick . J. Davy . Burgasser . Adam J. . 2009 . Young L Dwarfs Identified in the Field: A Preliminary Low-Gravity, Optical Spectral Sequence from L0 to L5 . Astronomical Journal . 137 . 2. 3445 . 2009AJ....137.3345C . 0812.0364 . 15376964 .
- 1601.06162. A nearby young M dwarf with a wide, possibly planetary-mass companion . Monthly Notices of the Royal Astronomical Society . 457 . 3 . 3191 . N. Deacon . J. Schleider . S. Murphy . 2016 . 10.1093/mnras/stw172 . free . 2016MNRAS.457.3191D . 18220333 .
- Encyclopedia: Planet 2MASS J2126-8140 . 1995 . . 2016-01-27.
- Filippazzo . Joseph C. . Rice . Emily L. . Faherty . Jacqueline . Cruz . Kelle L. . Van Gordon . Mollie M. . Looper . Dagny L. . 2015-09-10 . Fundamental Parameters and Spectral Energy Distributions of Young and Field Age Objects with Masses Spanning the Stellar to Planetary Regime . 1508.01767 . The Astrophysical Journal . 810 . 2 . 158 . 10.1088/0004-637X/810/2/158 . 1538-4357.
- Web site: Astronomers find the largest solar system in the galaxy. exoplanets.nasa.gov. February 1, 2016. January 20, 2022.
