2MASS J03552337+1133437 explained
2MASS J03552337+1133437 (2MASS J0355+11) is a nearby brown dwarf of spectral type L5γ, located in constellation Taurus at approximately 29.8 light-years from Earth.
Characteristics
2MASS J0355+11 was discovered in 2006 by Reid et al.
It is young, has a low surface gravity and a red spectral energy distribution compared to field brown dwarfs. It likely belongs to the AB Doradus moving group, which is 50 Myrs old.[1] At this age it would have a mass of about 13 . Alternatively at an older age of 150 Myrs it would have a mass of about 30 . It has a very red color thought to be caused by photospheric dust.[2]
It is radio-quiet brown dwarf, indicating an absence of stellar flares. Its carbon to oxygen ratio, equals to 0.56, is similar to that of Sun's.
The interstellar comet 2I/Borisov passed 1.4 light-years (0.44 parsecs) from 2MASS J0355+11 280 thousand years before arriving to the Solar System.
See also
Further reading
- Blake . Cullen H. . Charbonneau, David . White, Russel J. . Marley, Mark S. . Saumon, Didier . Multiepoch Radial Velocity Observations of L Dwarfs . 2007 . . 666 . 2 . 1198–1204 . 0705.3901 . 10.1086/520124 . 2007ApJ...666.1198B. 15975011 .
- Schmidt . Sarah J. . Cruz, Kelle L. . Bongiorno, Bethany J. . Liebert, James . Reid, I. Neill . Activity and Kinematics of Ultracool Dwarfs, Including an Amazing Flare Observation . 2007 . . 133 . 5 . 2258–2273 . astro-ph/0701055 . 10.1086/512158 . 2007AJ....133.2258S. 4809362 .
- Reid . I. Neill . Cruz, Kelle L. . Kirkpatrick, J. Davy . Allen, Peter R. . Mungall, F. . Liebert, James . Lowrance, Patrick . Sweet, Anne . Meeting the Cool Neighbors. X. Ultracool Dwarfs from the 2MASS All-Sky Data Release . 2008 . . 136 . 3 . 1290–1311 . 10.1088/0004-6256/136/3/1290 . 2008AJ....136.1290R. 0806.3413 .
- Casewell . S. L. . Jameson, R. F. . Burleigh, M. R. . Proper motions of field L and T dwarfs - II . 2008 . . 390 . 4 . 1517–1526 . 0808.1633 . 10.1111/j.1365-2966.2008.13855.x . free . 2008MNRAS.390.1517C. 14863231 .
- Faherty . Jacqueline K. . Burgasser, Adam J. . Cruz, Kelle L. . Shara, Michael M. . Walter, Frederick M. . Gelino, Christopher R. . The Brown Dwarf Kinematics Project I. Proper Motions and Tangential Velocities for a Large Sample of Late-Type M, L, and T Dwarfs . 2009 . . 137 . 1 . 1–18 . 0809.3008 . 10.1088/0004-6256/137/1/1 . 2009AJ....137....1F. 119245711 .
- Blake . Cullen H. . Charbonneau, David . White, Russel J. . The NIRSPEC Ultracool Dwarf Radial Velocity Survey . 2010 . . 723 . 1 . 684–706 . 1008.3874 . 10.1088/0004-637X/723/1/684 . 2010ApJ...723..684B. 119271941 .
- Faherty . J. K. . E. L. . K. L. . E. E. . A.. Rice. Cruz. Mamajek. Núñez. 2MASS J035523.37+113343.7: A Young, Dusty, Nearby, Isolated Brown Dwarf Resembling a Giant Exoplanet . 2013 . . 145 . 1 . 2 . 1206.5519 . 10.1088/0004-6256/145/1/2 . 30555172 . 6294310 . 2013AJ....145....2F.
- Zapatero Osorio . M. R. . Béjar . V. J. S. . Miles-Páez . P. . Peña-Ramírez . K. . Rebolo . R. . Pallé . E. . Trigonometric parallaxes of young field L dwarfs . 2014 . 1406.1345 . 10.1051/0004-6361/201321340 . 568 . Astronomy & Astrophysics . A6 . 2014A&A...568A...6Z. 118440741 .
Notes and References
- Liu . Michael C. . Dupuy . Trent J. . Allers . Katelyn N. . 2016-12-01 . The Hawaii Infrared Parallax Program. II. Young Ultracool Field Dwarfs . The Astrophysical Journal . 833 . 1 . 96 . 10.3847/1538-4357/833/1/96 . 1612.02426 . 2016ApJ...833...96L . 0004-637X. free .
- Faherty . Jacqueline K. . Rice . Emily L. . Cruz . Kelle L. . Mamajek . Eric E. . Núñez . Alejandro . 2013-01-01 . 2MASS J035523.37+113343.7: A Young, Dusty, Nearby, Isolated Brown Dwarf Resembling a Giant Exoplanet . The Astronomical Journal . 145 . 1 . 2 . 10.1088/0004-6256/145/1/2 . 30555172 . 1206.5519 . 2013AJ....145....2F . 0004-6256. free . 6294310 .
