J/AJ/126/2487ivo://CDS.VizieR/J/AJ/126/2487doi:10.26093/cds/vizier.51262487CDSBurgasser A.J.Mcelwain M.W.Kirkpatrick J.D.2023-04-06T16:50:58Z2006-01-15T20:48:27ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frinfrared-sourcesdwarf-starsinfrared-photometryWe present the discovery of three new southern hemisphere T dwarfs identified in the Two Micron All Sky Survey (Cat. <II/246>). These objects, 2MASS 0348-6022, 2MASS 0516-0445, and 2MASS 2228-4310, have classifications T7, T5.5, and T6.5, respectively. Using linear absolute magnitude/spectral type relations derived from T dwarfs with measured parallaxes, we estimate spectrophotometric distances for these discoveries; the closest, 2MASS 0348-6022, is likely within 10pc of the Sun. Proper motions and estimated tangential velocities are consistent with membership in the Galactic disk population. We also list southern hemisphere T dwarf candidates that were either not found in subsequent near-infrared imaging observations and are most likely uncataloged minor planets, or have near-infrared spectra consistent with background stars.2003AJ....126.2487Bhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/126/2487CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toII/241 : 2MASS Catalog Intermediate Data Release (IPAC/UMass, 2000)II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/126/2487https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/126/2487http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/126/2487https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/126/2487https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/126/2487http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/126/2487GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/126/2487/table1 (T dwarf candidates absent in follow-up OSIRIS images)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/126/2487/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/126/2487/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/126/2487/table1?GETtext/xml+votable180.050000true22.9948333-12.99541670.005555555555555556Cone search capability for table J/AJ/126/2487/table2 (Results of OSIRIS spectroscopic observations)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/126/2487/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/126/2487/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/126/2487/table2?GETtext/xml+votable180.050000true5.8215833-33.77683330.0055555555555555566/259 273 12540 16451 17439 17457 17473 17500 17631 17894 18260 19148 21435 22681 22759 22810 29777 30078 31014 31949 32828 33157 33257 33551 33554 33615 33678 33761 33790 34469 35850 36072 36517 45118 45185 45623 45792 46063 46232 46297 46334 46744 46764 46879 46897 47029 47033 47074 47186 47316 47320 47351 47358 47481 47486 47516 47579 47606 47892 47916 47922 47936 47947 47979 48003 48069 48146 48153 48166 48185 48187 48189 48200 48242 48273 48286 48298 48340 48372 48421 48983 48986 490131.5062136169708525e-19 1.7003137259100215e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/126/2487?format=asciiInfrareddefaultJ/AJ/126/2487/table1T dwarf candidates absent in follow-up OSIRIS imagesComCommentcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint2MASS2MASS designationcharbetaEcliptic latitudedegintDate2MASS observation datenullableJmag2MASS J magnitude (G1)magfloate_Jmagrms uncertainty on JmagmagfloatJ-H2MASS J-H colour index (G1)magfloate_J-Hrms uncertainty on J-Hmagfloatl_H-KsLimit flag on H-KscharH-Ks2MASS H-Ks colour index (G1)magfloate_H-Ks? rms uncertainty on H-KsmagfloatnullableIdentIdentification (1)char_RAPosition derived from name (right ascension part)degpos.eq.ra;meta.main_DEPosition derived from name (declination part)degpos.eq.dec;meta.mainJ/AJ/126/2487/table2Results of OSIRIS spectroscopic observationsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameDesignation (2MASS or SDSS)charJmag? 2MASS J magnitude (G1)magfloatnullablee_Jmag? rms uncertainty on JmagmagfloatnullableJ-Ks? 2MASS J-Ks colour index (G1)magfloatnullablee_J-Ks? rms uncertainty on J-KsmagfloatnullableDateUT datenullableTexpExposition timesintAirMassAir massfloatCompHD number of the calibratorcharSpTypeSpectral type of the calibratorcharTypeType of the starcharn_Type[bc] Individual notes (1)char_RAPosition derived from name (right ascension part)degpos.eq.ra;meta.main_DEPosition derived from name (declination part)degpos.eq.dec;meta.main