J/ApJ/710/1627ivo://CDS.VizieR/J/ApJ/710/1627doi:10.26093/cds/vizier.17101627CDSLeggett S.K.Burningham B.Saumon D.Marley M.S.Warren S.J.,Smart R.L.Jones H.R.A.Lucas P.W.Pinfield D.J.Tamura M.2023-08-16T13:49:51Z2012-04-18T09:17:57ZCDS support team

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

cds-question@unistra.frinfrared-photometrylate-type-starsstellar-spectral-typesWe present new Spitzer Infrared Array Camera (IRAC) photometry of 12 very late-type T dwarfs: nine have [3.6], [4.5], [5.8], and [8.0] photometry and three have [3.6] and [4.5] photometry only. Combining this with previously published photometry, we investigate trends with type and color that are useful for both the planning and interpretation of infrared surveys designed to discover the coldest T or Y dwarfs. The online appendix provides a collation of MKO-system YJHKL'M' and IRAC photometry for a sample of M, L, and T dwarfs. There are 12 dwarfs currently known with H-[4.5]>3.0, and 500K<~T_eff_<~800K, which we examine in detail. The ages of the dwarfs in the sample range from very young (0.1-1.0Gyr) to relatively old (3-12Gyr). The mass range is possibly as low as 5 Jupiter masses to up to 70 Jupiter masses, i.e., near the hydrogen burning limit. The metallicities also span a large range, from [m/H]=-0.3 to [m/H]=+0.3.2010ApJ...710.1627Lhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/710/1627CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toII/310 : UKIDSS-DR7 Large Area Survey (Lawrence+ 2012)J/ApJS/197/19 : First brown dwarfs discovered by WISE (Kirkpatrick+, 2011)J/A+A/501/1059 : Infrared spectra of 9 T dwarfs (del Burgo+, 2009)J/A+A/503/639 : NIR spectral of M-T dwarfs (Testi, 2009)J/ApJ/676/1281 : L and T dwarfs in 2MASS/SDSS (Metchev+, 2008)J/MNRAS/384/1399 : Proper motions of field L and T dwarfs (Jameson+, 2008)J/MNRAS/390/1517 : Proper motions of field L and T dwarfs (Casewell+, 2008)J/AJ/134/1162 : 11 new T dwarfs in 2MASS (Looper+, 2007)J/AJ/131/2722 : New L and T dwarfs from the SDSS (Chiu+, 2006)J/ApJ/651/502 : Spitzer IRAC photometry of M, L, and T dwarfs (Patten+,J/ApJ/637/1067 : Near-IR spectral classification of T dwarfs (Burgasser+,J/other/ARA+A/43.195 : L and T dwarf stars (Kirkpatrick, 2005)J/AJ/127/2856 : Brown dwarfs in the 2MASS Survey (Burgasser+, 2004)J/AJ/127/3553 : JHK photometry and spectroscopy for L and T dwarfs (Knapp+,J/AJ/125/3302 : HST binary very low mass stars and brown dwarfs (Gizis+,J/AJ/126/2487 : T dwarfs in the southern hemisphere (Burgasser+, 2003)J/ApJ/564/421 : Spectra of T dwarfs. I. (Burgasser+, 2002)J/AJ/123/3409 : SDSS M, L, and T dwarfs (Hawley+, 2002)http://www.ukidss.org/ : UKIRT Infrared Deep Sky Survey home pagehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/710/1627https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/710/1627http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/710/1627https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/710/1627https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/710/1627http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/710/1627GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/710/1627/table3 (Data compilation table)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/710/1627/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/710/1627/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/710/1627/table3?GETtext/xml+votable180.050000true0.0564163925.9050.0055555555555555566/223 439 496 546 548 628 736 1765 2083 4245 4253 4267 4288 4453 4689 4709 4719 4775 4780 4783 4790 4797 4948 5065 5317 5320 5373 5390 5560 5569 5666 6080 6163 6234 6261 6601 6613 6625 6629 7204 7220 7291 7369 7592 7786 7821 8223 8244 8253 8299 8361 8371 8478 8480 8495 8503 8565 8794 8901 8972 9009 9063 9072 9136 9146 9173 9230 9418 9564 9597 9642 9776 9784 9810 9914 9986 10002 10072 10628 10654 10718 10726 10807 11090 11257 11387 11396 11450 11940 12380 12541 12592 13425 16873 17166 17313 17663 17768 17776 17811 17814 17836 18017 18032 18060 18067 18084 18156 18300 18303 18383 18683 18860 18866 19050 19057 19090 19121 19647 19697 19747 19755 19857 19912 19942 19992 20141 20250 20273 20896 21296 21856 21861 21880 22521 22681 22759 22861 23057 23139 23274 24694 25015 25100 25310 25314 25443 25853 25935 25945-25946 25956 26020 26196 26201 26209-26210 26215 26248 26448 26514 26564 26579 26699 26861 26972 26991 27074 27130 27230 27235 27250 27362 27395 27412 27414 27462 27493 27514 27536 27653 27664 27698 27730-27731 27735 27797-27798 28344 28471 28519 28530 30919 31319 31411 31419 31425 31486 31549 31690 32337 32426 32462 33257 33767 35499 35572 36072 36602 36640 40228 40941 43966 44118 44226 44286 44807 48759 48907 490772.0616683193919197e-20 2.0429600390310455e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/710/1627?format=asciiInfrareddefaultJ/ApJ/710/1627/table3Data compilation tableSimbadNameSimbad column added by the CDSmeta.idcharnullablee_[8.0]? Uncertainty in [8.0]magstat.errorfloatnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameSource namemeta.id;meta.maincharRAJ2000Right ascension in decimal hours (J2000) (1)degpos.eq.ra;meta.mainDEJ2000Declination in decimal degrees (J2000) (1)degpos.eq.dec;meta.mainSpTMK spectral type (2)src.spTypechare_SpTUncertainty in SpTypestat.errorfloatr_SpTSpectral type reference number (see refs.dat file)meta.ref;pos.frameintSEDSpectral Energy Distribution plot (near- and mid-IR)meta.ref.urlcharM-m? Distance modulus (4)magphot.mag.distModfloatnullablee_M-m? Uncertainty in M-mmagstat.errorfloatnullableJMag? MKO absolute J-band magnitudemagphot.magfloatnullableYmag? MKO Y-band Vega magnitudemagphot.magfloatnullablee_Ymag? Uncertainty in Ymagmagstat.error;phot.magfloatnullabler_Ymag? Y band reference number (see refs.dat file)meta.ref;pos.frameintnullableJmagMKO J-band Vega magnitudemagphot.mag;em.IR.Jfloate_JmagUncertainty in Jmagmagstat.error;phot.magfloatHmagMKO H-band Vega magnitudemagphot.mag;em.IR.HfloatKmagMKO K-band Vega magnitudemagphot.mag;em.IR.Kfloate_KmagUncertainty in Kmagmagstat.error;phot.magfloatL'mag? MKO L'-band Vega magnitudemagphot.mag;em.IR.3-4umfloatnullablee_L'mag? Uncertainty in L'magmagstat.error;phot.magfloatnullableM'mag? MKO M'-band Vega magnitudemagphot.mag;em.IR.4-8umfloatnullablee_M'mag? Uncertainty in M'magmagstat.error;phot.magfloatnullable[3.6]? Spitzer/IRAC 3.6 micron band Vega magnitude (3)magphot.mag;em.IR.3-4umfloatnullablee_[3.6]? Uncertainty in [3.6]magstat.errorfloatnullable[4.5]? Spitzer/IRAC 4.5 micron band Vega magnitude (3)magphot.mag;em.IR.4-8umfloatnullablee_[4.5]? Uncertainty in [4.5]magstat.errorfloatnullable[5.9]? Spitzer/IRAC 5.9 micron band Vega magnitude (3)magphot.flux.density;em.IR.4-8umfloatnullablee_[5.9]? Uncertainty in [5.9]magstat.errorfloatnullable[8.0]? Spitzer/IRAC 8.0 micron band Vega magnitude (3)magphot.flux.density;em.IR.8-15umfloatnullableRefDiscovery reference number(s) (see refs.dat file)meta.bibcharr_PlxTrigonometric parallax reference number(s) (see refs.dat file)meta.ref;pos.framecharr_JHKJHK magnitude reference number(s) (see refs.dat file)meta.ref;pos.framecharr_LML'M' magnitude reference number(s) (see refs.dat file)meta.ref;pos.framecharr_IRAC? IRAC photometry reference number (see refs.dat file)meta.ref;pos.frameintnullabler_multSource multiplicity reference number(s) (see refs.dat file)meta.ref;pos.framecharJ/ApJ/710/1627/refsReferencesCommCommentmeta.notecharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRefReference codemeta.noteintBibCodeBibcodemeta.bib.bibcodecharAutAuthor's name(s)meta.bib.authorchar