| 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] |
| Distance | 29.7 ± 0.2 ly (9.12 ± 0.06 pc) |
| Other designations | |
EPIC 210327027, Gaia DR2 3303349202364648320, BNA 3, WISEA J035523.53+113337.2 | |
| Database references | |
| SIMBAD | data |
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
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
References
- ^ a b c d "2MASS J03552337+1133437 — Brown Dwarf (M<0.08solMass)". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2013-09-24.
- ^ 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.
- ^ 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.
- ^ 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.
- ^ 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.
- ^ 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. PMID 30555172.
- ^ 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.
- ^ 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
- ^ 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
- ^ 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
- Blake, Cullen H.; Charbonneau, David; White, Russel J.; Marley, Mark S.; Saumon, Didier (2007). "Multiepoch Radial Velocity Observations of L Dwarfs". The Astrophysical Journal. 666 (2): 1198–1204. arXiv:0705.3901. Bibcode:2007ApJ...666.1198B. doi:10.1086/520124. S2CID 15975011.
- Schmidt, Sarah J.; Cruz, Kelle L.; Bongiorno, Bethany J.; Liebert, James; Reid, I. Neill (2007). "Activity and Kinematics of Ultracool Dwarfs, Including an Amazing Flare Observation". The Astronomical Journal. 133 (5): 2258–2273. arXiv:astro-ph/0701055. Bibcode:2007AJ....133.2258S. doi:10.1086/512158. S2CID 4809362.
- Reid, I. Neill; Cruz, Kelle L.; Kirkpatrick, J. Davy; Allen, Peter R.; Mungall, F.; Liebert, James; Lowrance, Patrick; Sweet, Anne (2008). "Meeting the Cool Neighbors. X. Ultracool Dwarfs from the 2MASS All-Sky Data Release". The Astronomical Journal. 136 (3): 1290–1311. arXiv:0806.3413. Bibcode:2008AJ....136.1290R. doi:10.1088/0004-6256/136/3/1290.
- Casewell, S. L.; Jameson, R. F.; Burleigh, M. R. (2008). "Proper motions of field L and T dwarfs - II". Monthly Notices of the Royal Astronomical Society. 390 (4): 1517–1526. arXiv:0808.1633. Bibcode:2008MNRAS.390.1517C. doi:10.1111/j.1365-2966.2008.13855.x. S2CID 14863231.
- Faherty, Jacqueline K.; Burgasser, Adam J.; Cruz, Kelle L.; Shara, Michael M.; Walter, Frederick M.; Gelino, Christopher R. (2009). "The Brown Dwarf Kinematics Project I. Proper Motions and Tangential Velocities for a Large Sample of Late-Type M, L, and T Dwarfs". The Astronomical Journal. 137 (1): 1–18. arXiv:0809.3008. Bibcode:2009AJ....137....1F. doi:10.1088/0004-6256/137/1/1. S2CID 119245711.
- Blake, Cullen H.; Charbonneau, David; White, Russel J. (2010). "The NIRSPEC Ultracool Dwarf Radial Velocity Survey". The Astrophysical Journal. 723 (1): 684–706. arXiv:1008.3874. Bibcode:2010ApJ...723..684B. doi:10.1088/0004-637X/723/1/684. S2CID 119271941.
- Faherty, J. K.; Rice, E. L.; Cruz, K. L.; Mamajek, E. E.; Núñez, A. (2013). "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. PMC 6294310. PMID 30555172.
- Zapatero Osorio, M. R.; Béjar, V. J. S.; Miles-Páez, P.; Peña-Ramírez, K.; Rebolo, R.; Pallé, E. (2014). "Trigonometric parallaxes of young field L dwarfs". Astronomy & Astrophysics. 568: A6. arXiv:1406.1345. Bibcode:2014A&A...568A...6Z. doi:10.1051/0004-6361/201321340. S2CID 118440741.
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