词条 | DENIS-P J1058.7-1548 |
释义 |
|name=DENIS-P J1058.7-1548 }}{{starbox observe | epoch = J2000 |constell=Crater |ra={{RA|10|58|47.870}}[1] |dec={{DEC|-15|48|17.23}}[1] }}{{starbox character |class=L3 |appmag_1_passband=J |appmag_1=14.155[1] |appmag_2_passband=H |appmag_2=13.226[1] |appmag_3_passband=K |appmag_3=12.532[1] }}{{starbox astrometry |parallax=66.5 |p_error=4.4 |parallax_footnote=[2] }}{{starbox detail |source=[3] |mass=<0.055 |age_myr=<320 |radius=>0.111}}{{starbox catalog |names=DENIS J1058.7-1548, 2MASS J10584787-1548172, 2MUCD 10949 }}{{starbox reference |Simbad=2MUCD+10949 }}{{starbox end}}DENIS-P J1058.7-1548 is a brown dwarf of spectral type L3, located in constellation Crater at approximately 17.3 parsecs or 56.5 light-years from Earth.{{r|Dahn2002}} With a surface temperature of between 1700 and 2000 K, it is cool enough for clouds to form. Variations in its brightness in visible and infrared spectra suggest it has some form of atmospheric cloud cover.[3] See also
References1. ^1 2 3 4 {{cite journal|title=2MASS All-Sky Catalog of Point Sources|date=2003|journal=VizieR On-line Data Catalog|author1=Cutri, R. M.|bibcode=2003yCat.2246....0C}} 2. ^{{cite journal|title=The Brown Dwarf Kinematics Project (BDKP). III. Parallaxes for 70 Ultracool Dwarfs|date=2012|journal=The Astrophysical Journal|volume=752|author1=Faherty, Jacqueline K.|bibcode=2012ApJ...752...56F|doi=10.1088/0004-637X/752/1/56|arxiv=1203.5543|page=56}} 3. ^1 {{cite journal|date=12 March 2013|title=Weather on Other Worlds I: Detection of Periodic Variability in the L3 Dwarf DENIS-P J1058.7-1548 with Precise Multi-Wavelength Photometry|author1=Aren N. Heinze|display-authors=etal|arxiv=1303.2948|doi=10.1088/0004-637X/767/2/173|volume=767|journal=The Astrophysical Journal|page=173|bibcode=2013ApJ...767..173H}} }} External links
6 : Crater (constellation)|Brown dwarfs|L-type stars|2MASS objects|DENIS objects|Astronomical objects discovered in 1997 |
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