Jump to content

2MASS J03552337+1133437

Coordinates: Sky map 03h 55m 23.370s, +11° 33′ 43.71″
From Wikipedia, the free encyclopedia
2MASS J03552337+1133437

2MASS J0355+11
Credit: SDSS
Observation data
Epoch J2000[1]      Equinox J2000[1]
Constellation Taurus
Right ascension 03h 55m 23.370s[1]
Declination 11° 33′ 43.71″[1]
Characteristics
Evolutionary stage brown dwarf
Spectral type L5γ
Apparent magnitude (G) 19.5831
Apparent magnitude (J) 14.05
Apparent magnitude (H) 12.53
Apparent magnitude (K) 11.526
J−H colour index 1.52
J−K colour index 2.52
Astrometry
Radial velocity (Rv)11.92 km/s
Parallax (π)109.6451 ± 0.7368 mas[2]
Distance29.7 ± 0.2 ly
(9.12 ± 0.06 pc)
Other designations
EPIC 210327027, Gaia DR2 3303349202364648320, BNA 3, WISEA J035523.53+113337.2
Database references
SIMBADdata

2MASS J03552337+1133437 (2MASS J0355+11) is a nearby brown dwarf of spectral type L5γ,[3] located in constellation Taurus at approximately 29.8 light-years from Earth.[4]

Characteristics

[edit]

2MASS J0355+11 was discovered in 2006 by Reid et al.[5]

It is young, has a low surface gravity and a red spectral energy distribution compared to field brown dwarfs.[6] It likely belongs to the AB Doradus moving group, which is 50 Myrs old.[7] At this age it would have a mass of about 13 MJ. Alternatively at an older age of 150 Myrs it would have a mass of about 30 MJ. It has a very red color thought to be caused by photospheric dust.[6]

It is radio-quiet brown dwarf, indicating an absence of stellar flares.[8] Its carbon to oxygen ratio, equals to 0.56, is similar to that of Sun's.[9]

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.[10]

See also

[edit]

References

[edit]
  1. ^ a b c d "2MASS J03552337+1133437 — Brown Dwarf (M<0.08solMass)". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2013-09-24.
  2. ^ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  3. ^ 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". The Astronomical Journal. 137 (2): 3345–3357. arXiv:0812.0364. Bibcode:2009AJ....137.3345C. doi:10.1088/0004-6256/137/2/3345. S2CID 15376964.
  4. ^ Liu, M. C.; Dupuy, T. J.; Allers, K. N. (2013). "Infrared parallaxes of young field brown dwarfs and connections to directly imaged gas-giant exoplanets". Astronomische Nachrichten. 334 (1–2): 85–88. arXiv:1305.3270. Bibcode:2013AN....334...85L. doi:10.1002/asna.201211783. S2CID 118368180.
  5. ^ Reid, I. Neill; Lewitus, E.; Allen, P. R.; Cruz, Kelle L.; Burgasser, Adam J. (2006). "A Search for Binary Systems among the Nearest L Dwarfs". The Astronomical Journal. 132 (2): 891–901. arXiv:astro-ph/0606331. Bibcode:2006AJ....132..891R. doi:10.1086/505626. S2CID 28828906.
  6. ^ a b 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. arXiv:1206.5519. Bibcode:2013AJ....145....2F. doi:10.1088/0004-6256/145/1/2. ISSN 0004-6256. PMC 6294310. PMID 30555172.
  7. ^ 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. arXiv:1612.02426. Bibcode:2016ApJ...833...96L. doi:10.3847/1538-4357/833/1/96. ISSN 0004-637X.
  8. ^ Richey-Yowell, Tyler; Kao, Melodie M.; Pineda, J. Sebastian; Shkolnik, Evgenya L.; Hallinan, Gregg (2020), "On the Correlation between L Dwarf Optical and Infrared Variability and Radio Aurorae", The Astrophysical Journal, 903 (1): 74, arXiv:2009.05590, Bibcode:2020ApJ...903...74R, doi:10.3847/1538-4357/abb826, S2CID 221655541
  9. ^ Zhang, Yapeng; Snellen, Ignas A. G.; Mollière, Paul (2021), "The 12CO/13CO isotopologue ratio of a young, isolated brown dwarf", Astronomy & Astrophysics, 656: A76, arXiv:2109.11569, doi:10.1051/0004-6361/202141502, S2CID 237635036
  10. ^ Hallatt, Tim; Wiegert, Paul (2019), "The Dynamics of Interstellar Asteroids and Comets within the Galaxy: An Assessment of Local Candidate Source Regions for 1I/'Oumuamua and 2I/Borisov", The Astronomical Journal, 159 (4): 147, arXiv:1911.02473, doi:10.3847/1538-3881/ab7336, S2CID 207772669

Further reading

[edit]