About: 2MASS J03480772−6022270

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2MASS J03480772−6022270 (abbreviated to 2MASS J0348−6022) is a brown dwarf of spectral class T7, located in the constellation Reticulum approximately 27.2 light-years from the Sun. It was discovered by astronomer Adam Burgasser and collaborators of the 2MASS Wide-Field T Dwarf Search in 2002. With a rotation period of 1.08 hours, it is the fastest-rotating brown dwarf confirmed as of 2022. The rotational velocity at its equator is over 100 km/s (62 mi/s), approaching the predicted rotational speed limit beyond which it would break apart due to centripetal forces. As a consequence of its rapid rotation, the brown dwarf is slightly flattened at its poles to a similar degree as Saturn, the most oblate planet in the Solar System. Its rapid rotation may enable strong auroral radio emissions via

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body star
rdfs:label	2MASS J03480772-6022270 (de) 2MASS J03480772−6022270 (en) 2MASS J03480772-6022270 (ja) 2MASS 0348-6022 (nl)
rdfs:comment	2MASS J03480772-6022270 ist ein Brauner Zwerg der Spektralklasse T7 im Sternbild Netz. Er wurde 2003 von Adam J. Burgasser, Michael W. McElwain & J. Davy Kirkpatrick entdeckt. Seine Position verschiebt sich aufgrund seiner Eigenbewegung jährlich um 0,77 Bogensekunden. (de) 2MASS J03480772-6022270（略称 2MASS J0348-6022、以降特記しない限りこの名称で呼称する）は、地球からレチクル座の方向に約29光年離れた位置にあるスペクトル型がT7型の褐色矮星である。自転周期はわずか1.08時間しかないと測定されており、2021年時点で確認されている中では最も自転周期が短い褐色矮星として知られている。 (ja) 2MASS 0348-6022 (officieel 2MASS J03480772-6022270 ) is een bruine dwerg met een spectraalklasse van T7. De ster bevindt zich 27,16 lichtjaar van de zon. (nl) 2MASS J03480772−6022270 (abbreviated to 2MASS J0348−6022) is a brown dwarf of spectral class T7, located in the constellation Reticulum approximately 27.2 light-years from the Sun. It was discovered by astronomer Adam Burgasser and collaborators of the 2MASS Wide-Field T Dwarf Search in 2002. With a rotation period of 1.08 hours, it is the fastest-rotating brown dwarf confirmed as of 2022. The rotational velocity at its equator is over 100 km/s (62 mi/s), approaching the predicted rotational speed limit beyond which it would break apart due to centripetal forces. As a consequence of its rapid rotation, the brown dwarf is slightly flattened at its poles to a similar degree as Saturn, the most oblate planet in the Solar System. Its rapid rotation may enable strong auroral radio emissions via (en)
foaf:name	2MASS J03480772−6022270 (en)
foaf:depiction
dcterms:subject	Astronomical objects discovered in 2003 Brown dwarfs TIC objects 2MASS objects Reticulum (constellation) T-type stars
Wikipage page ID	66986264 (xsd:integer)
Wikipage revision ID	1092261731 (xsd:integer)
Link from a Wikipage to another Wikipage	California Institute of Technology Potassium Rotation period Rotational speed Saturn Electromagnetic spectrum New Technology Telescope Hour Reticulum Right ascension Cyclotron resonance University of Massachusetts Amherst University of Western Ontario Declination Doppler broadening Infrared Array Camera Infrared Processing and Analysis Center Stellar classification The Astronomical Journal Light curve Astronomical objects discovered in 2003 Brown dwarfs TIC objects Common logarithm Photosphere Effective temperature Electron Epoch (astronomy) Frequency NOIRLab Convection Angular momentum Light-year Magnetic field Stellar evolution Stellar kinematics Stellar mass Color index Photometry (astronomy) Point source Spectrophotometry Aurora Centrifugal force Centripetal force Wide-field Infrared Survey Explorer Linear polarization Radio wave 2MASS J0407+1546 2MASS J04070752+1546457 2MASS J12195156+3128497 Absolute magnitude Aliasing Amplitude 2MASS objects Reticulum (constellation) T-type stars Dynamo theory Extrasolar Planets Encyclopaedia Differential rotation Fluid Gravity of Earth Rotational velocity Iron(I) hydride Stellar radius Absorption band Absorption spectroscopy Chile Jupiter Sun Systematic error J band (infrared) TESS Input Catalog Weighted mean Year

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