2MASS Catalog Incremental Data Release II/241 ivo://CDS.VizieR/II/241 CDS Skrutskie M.F. Schneider S.E. Stiening R. Strom S.E. Weinberg M.D.,Beichman C. Chester T. Cutri R. Lonsdale C.,Elias J. Elston R. Capps R. Carpenter J. Huchra J.,Liebert J. Monet D. Price S. Seitzer P. 2024-08-19T12:52:24Z 2003-06-04T12:44:01Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr infrared-sources infrared-photometry surveys The Two Micron All Sky Survey (2MASS) project is designed to close the gap between our current technical capability and our knowledge of the near-infrared sky. In addition to providing a context for the interpretation of results obtained at infrared and other wavelengths, 2MASS will provide direct answers to immediate questions on the large-scale structure of the Milky Way and the Local Universe. To achieve these goals, 2MASS is uniformly scanning the entire sky in three near-infrared bands to detect and characterize point sources brighter than about 1 mJy in each band, with signal-to-noise ratio (SNR) greater than 10, using a pixel size of 2.0". This will achieve an 80,000-fold improvement in sensitivity relative to earlier surveys. 2MASS uses two new, highly-automated 1.3-m telescopes, one at Mt. Hopkins, AZ, and one at CTIO, Chile. Each telescope is equipped with a three-channel camera, each channel consisting of a 256x256 array of HgCdTe detectors, capable of observing the sky simultaneously at J (1.25 {mu}m), H (1.65 {mu}m), and Ks (2.17 {mu}m), to a 3{sigma} limiting sensivity of 17.1, 16.4 and 1.3mag in thge three bands. The 2MASS arrays image the sky while the telescopes scan smoothly in declination at a rate of ~1' per second. The 2MASS data "tiles" are 6{deg} long in the declination direction and one camera frame (8.5') wide. The camera field-of-view shifts by ~1/6 of a frame in declination from frame-to-frame. The camera images each point on the sky six times for a total integration time of 7.8 s, with sub-pixel "dithering", which improves the ultimate spatial resolution of the final Atlas Images. The University of Massachusetts (UMass) is responsible for the overall management of the project, and for developing the infrared cameras and on-site computing systems at both facilities. The Infrared Processing and Analysis Center (IPAC) is responsible for all data processing through the Production Pipeline, and construction and distribution of the data products. The 2MASS project involves the participation of members of the Science Team from several different institutions. The 2MASS project is funding by the National Aeronautics and Space Administration (NASA) and the National Science Foundation (NSF). Proc. Workshop "The Impact of Large Scale Near-IR Sky Surveys", 25 (1997) https://cdsarc.cds.unistra.fr/viz-bin/cat/II/241 Catalog Research IsServedBy TAP VizieR generic service IsPreviousVersionOf II/246 IsServedBy Conesearch service related-to http://www.ipac.caltech.edu/2mass/ : 2MASS documentation https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=II/241 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=II/241 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=II/241 https://vizier.cds.unistra.fr/viz-bin/votable?-source=II/241 https://vizier.iucaa.in/viz-bin/votable?-source=II/241 http://vizieridia.saao.ac.za/viz-bin/votable?-source=II/241 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table II/241/out (2MASS Point Source Catalogue, output, incremental data release 2 (March 2000).) https://vizier.cds.unistra.fr/viz-bin/conesearch/II/241/out? https://vizier.iucaa.in/viz-bin/conesearch/II/241/out? http://vizieridia.saao.ac.za/viz-bin/conesearch/II/241/out? 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10176 10178 10191 10193 10195 10216-10218 10248-10249 10251 10260 10262-10263 10268-10269 10271 10273-10275 10292 10294-10295 10308-10309 10311-10312 10314-10315 10319 10336-10337 10339 10376-10377 10379 10402-10403 10512 10514-10515 10517-10519 10708-10710 10908-10909 10928 10930-10931 10934-10935 10952-10954 10978-10979 10990-10991 11002-11003 11006-11007 11048-11050 11052-11053 11055 11154-11155 11176-11177 11180-11181 11192-11193 11196-11197 11199 11280 11282-11283 11288-11290 11292-11293 11295 11312 11314-11315 11317-11318 11324 11326-11328 11330-11331 11333 11340 11342-11343 11348-11350 11380 11382 11396-11397 11399 11407 11424 11426-11427 11492-11494 11504-11505 11507 11514-11517 11519 11521 11523 11555 11560-11561 11563 11588-11589 11591 11594 11597 11599 11616 11618 11624 11626 11649 11656 11658-11661 11663 11668-11670 11672-11674 11676 11678-11679 11684 11686 11694 11700-11701 11703 11709 11716-11717 11719 11725 11727 11736-11738 11741 11743 11746-11747 11750 11752-11754 11756 11758-11759 11765 11767 11773 11775 11824-11825 11836 11838-11839 11997-11999 12008-12010 12050 12062 12082 12109 12111 12122 12130-12131 12144 12146 12168-12169 12180-12182 12190 12224-12225 12227 12236-12237 12239 12246 12248-12250 12262 12264-12266 12270 12285 12288 12383 12399 12403 12447 12463 12473-12475 12547 12636-12637 12639-12642 12644-12645 12647-12648 12650-12651 12656 12658-12659 12664-12665 12667-12668 12670-12671 12684-12686 12688-12690 12701 12722 12734-12735 12740 12742-12743 12756-12757 12764 12766 12769 12771-12772 12774-12775 12777-12778 12784-12785 12787 12794 12796-12797 12799 12803 12860-12862 12904-12905 12907 12948 12950 12954 12956-12957 12959 12982 12996-12997 12999-13000 13003 13005 13007 13076-13078 13084 13086-13087 13092-13094 13096-13098 13113 13125-13127 13129 13140 13142 13184-13185 13187 13192 13194-13196 13199 13205 13212 13214-13215 13220-13222 13241-13242 13248-13249 13251 13260-13261 13263 13280 13282-13283 13285-13287 13344-13345 13347 13355 13357 13359 13404 13406-13407 13440-13441 13445 13455 13457-13459 13465-13467 13474 13480-13482 13485 13493-13494 13576-13577 13579 13596 13598 13600 13602-13606 13612 13616-13617 13619 13628-13629 13631-13633 13635-13636 13638-13639 13644-13645 13647 13649 13666 13669-13671 13700 13702-13703 13717-13719 13789 13791 13813 13815 13821 13823 13833-13834 13838 13841 13849-13851 13861-13863 13873-13875 13881-13882 13885-13889 13891 13924 13926 13937 13939 13952-13954 13956-13957 13959 13966 14016 14018-14019 14022 14036-14037 14052-14054 14164 14166 14168-14170 14180-14182 14184-14186 14208-14209 14211 14217 14219 14228-14230 14232-14234 14244-14245 14409-14410 14468-14470 14478-14479 14496-14497 14499 14613-14615 14684 14686-14687 14804-14806 14812 14814-14815 14820-14822 14832-14833 14842-14843 14845 14847 14896 14898-14899 14901 14908 14910-14911 14953-14955 15048-15049 15051 15080-15082 15084-15085 15087 15128-15130 15140-15142 15160 15162-15164 15166-15167 15192-15194 15201 15203-15205 15213 15217 15219-15220 15222 15227-15229 15231 15256-15258 15260-15261 15268-15270 15272-15274 15295 15298-15299 15302-15305 15308-15309 15320-15321 15331 15334-15335 15346-15347 15350-15351 15360 15363-15365 15367 15372 15384-15385 15392 15394-15395 15400-15402 15415 15428 15430 15460-15462 15520 15522 15524 15532 15534-15535 15689 15691-15692 15694 15713 15715-15716 15718 15884-15885 15894 15896-15898 15906 15912 16034 16046-16047 16058-16059 16062-16063 16099-16100 16102-16103 16114-16115 16118-16119 16290-16291 16296-16298 16399 16403 16419-16420 16422-16423 16432-16433 16435 16440 16442-16445 16447 16512-16513 16515 16522 16524-16525 16527 16550 16553-16556 16558-16559 16573 16632-16633 16635-16636 16638-16639 16658 16663 16692 16694-16695 16736-16737 16739 16744 16746-16747 16768-16770 16773 16776 16778-16779 16793 16804 16806-16809 16811 16817-16819 16912 16914-16915 16917 16919 16976 16978-16981 16983 17076 17078-17079 17092 17094 17105 17114 17117 17120-17121 17123 17128 17130-17133 17135 17141-17143 17416-17417 17419 17440 17442-17445 17447 17452 17454-17455 17756 17772 17776 17820 17836 17856 18012 18028 18032 18076 18092-18093 18095-18096 18104 18106-18107 18112 18176 18271 18287 18291 18335 18351 18355 18780 18796 18856-18858 18860 18864 18880 19036 19052 19100 19116 19120 19136 19200 19295 19315 19359 19375 19379 19395 19456 19472-19473 19475-19476 19478-19479 19484-19485 19487 19551 19567 19571 19615 19631 19635 19651 19816-19817 19819 19904 19906-19909 19911 19971 20064-20066 20068-20069 20071 20078 20088-20089 20091 20108-20110 20145-20146 20157-20159 20177-20179 20244-20245 20247 20252 20254 20297-20298 20322-20323 20325-20327 20376-20378 20380-20381 20383 20400 20402-20403 20412 20414-20415 20420-20422 20448-20449 20451 20458-20461 20495 20504 20506-20507 20509 20515 20532 20534-20535 20577 20596-20598 20777-20779 21648 21650-21653 21655 21660 21662-21663 21704-21705 21707 21852 21868 21872 21916 21932 21936 21952 22040 22042-22045 22047 22068 22070-22071 22108 22110-22113 22115 22120 22122 22124 22128 22132-22133 22135 22172 22188 22192 22208 22272 22304 22306-22307 22312-22313 22315-22316 22318 22367 22383 22387 22404 22431 22447 22451 22467 22876 22892 22896 22940 22952-22954 22956 22960 22976 23132 23148 23152 23196 23212 23216 23232 23296 23391 23407 23411 23471 23485-23486 23491 23496-23497 23499 23520 23522-23525 23527 23544-23545 23547 23552 23647 23663 23667 23727 23731 23747 23811 24067 24164-24165 24167 24172 24174-24175 24661 24663 24665-24667 24670 24677-24679 24681-24683 24725 24727 24729-24732 24734-24735 24741 24745-24748 24750-24751 24761-24762 24800 24802-24805 24807 24840-24841 24843 24864 24866 24952-24953 24955 25040 25042-25045 25047 25052 25054-25055 25089 25091 25101 25104 25106-25107 25109-25111 25122 25125 25127 25257-25258 25340 25342-25343 25357-25358 25393-25394 25484-25485 25504 25521 25531 25533-25535 25652-25654 25660 25662-25663 25676 25680 25696 25725-25727 25736-25737 25739 25762 25764-25765 25767 25774 25784-25785 25787 25792 25794-25795 25799 25869-25871 25877 25882 25889-25891 25910 25929 25936 25938-25941 25957 25962 25968 26005-26006 26012 26028 26032 26048 26129-26131 26204 26220 26224 26268 26284-26285 26288 26290-26291 26302-26304 26368 26463 26483 26485-26487 26527 26543 26548 26550-26551 26554 26556-26557 26559 26563 26592-26593 26595 26880 26882-26883 26972 26988 26992 27036 27052 27056 27072 27228 27244 27292 27308 27312 27328 27392 27487 27503 27507 27551 27567 27581-27582 27587 27648 27665 27677 27714 27720 27743 27759 27763 27807 27823 27843 27907 27926 27968-27969 27971-27972 27974-27975 27978-27979 27988-27989 27991 27998 28056 28058-28061 28063-28066 28077-28078 28084 28086-28087 28126 28163 28165-28167 28280-28282 28372-28373 28380 28382-28383 28433-28435 28553 28666 28668-28669 28671 28757-28758 28780 28782 28793 28882 28885-28887 28928-28929 28941 28950-28951 28960 28962-28963 28965-28967 28993-28994 29005-29006 29041-29042 29048 29050-29051 29053 29064 29066-29069 29071 29092 29094-29095 29104-29105 29107-29109 29111 29140 29142-29143 29160-29161 29163 29180 29237 29244 29246-29247 29289 29316 29318-29319 29328-29329 29331 29336 29338-29339 29436 29448-29450 29456 29458-29459 29468 29470-29471 29477-29478 29497-29498 29500 29508-29509 29511 29520 29563 29566 29580 29584 29600 29657 29685 29704-29705 29716 29718-29719 29730 29733 29742 29753-29754 29756 29768 29770 29773 29776 29778 29790 29792 29809 29819 29825 29832 29834 29846 29849 29856 29877 29879 29895 29898 29924-29925 29927 29932 29934-29935 29944-29945 29947 29959 29963 29985-29987 30044 30060 30064 30108 30124 30128 30144 30219 30222 30229 30241 30243 30252-30253 30255 30258 30270 30281 30288 30290-30293 30295 30309 30320 30338 30350 30352-30353 30355 30377 30380 30464 30575 30579 30639 30643 30753 30762 30765 30780 30792-30794 30796 30800 30816 30854 30860 30880 31583 31599 31603 31647 31663 31667 31683 31839 31855 31859 31861-31863 31903 31919 31939 31996-31998 32003 32041-32042 32102 32112-32113 32115 32122-32123 32133-32135 32140-32142 32156-32157 32159-32162 32173-32174 32178 32189-32191 32216 32218-32221 32223-32225 32227-32230 32232 32234-32235 32247 32255 32259 32332-32334 32336-32338 32341 32364 32366-32367 32380 32426 32428-32429 32431 32464 32466-32467 32472-32474 32484 32488 32490-32491 32501 32511 32513 32529-32531 32536 32538-32541 32543 32548-32549 32551 32564 32566-32569 32571 32580 32582-32583 32595 32608-32609 32611 32655 32659 32675 32781 32853-32855 32857-32859 32869-32871 32888-32889 32918-32919 32921-32923 32933-32935 32937-32939 32968 32970 32981-32983 32985-32987 32998 33004 33008-33009 33011 33020-33021 33023 33196 33200 33244 33248-33249 33264 33344 33354 33376 33378-33379 33436 33452 33456 33472 33536 33754-33755 33765-33767 33769-33771 33820 33836 33840 33856 33920 34047 34111 34154 34175 34191 34195 34211 34246 34259 34387 34416-34417 34419 34428-34429 34431 34466 34472-34474 34495 34511 34515 34531 34816 35071 35093-35095 35100-35101 35103 35156-35158 35160-35162 35172-35174 35177 35199 35235 35238 35244 35246-35247 35263 35283 35299 35411 35417 35445 35455 35519 35535 35539 35555 35600 35602-35603 35756 35758 35760-35761 35773 35855 35859 35875 36089-36090 36216-36218 36309-36310 36437-36438 37030 37033-37035 37225 37227 37240 37242-37243 37246-37247 37328-37329 37332-37333 37335 37402 37424 37426 37432 37434-37435 37556 37558 37564 37566 37669-37671 37673-37675 37682 37694 37760-37761 37763 37769 37797 37799 37805 37826 37838 37864-37866 37868 37930 38016 38745-38747 38750 38768-38769 38771 38780-38781 38783 38821-38823 38829 38832 38834-38835 38844 38846-38847 38871 38885 38887 38889 38891 38901-38902 38932 38934-38935 38940 38956 38960 39040 39167 39185 39187 39232 39311 39315 39331 39362 39374-39375 39390 39487 39503 39514 39517 39523 39542 39571 39577 39605 39615 39713 40098 40149 40151 40153-40156 40158-40159 40165 40167 40169-40171 40209 40217 40219 40229-40231 40233-40235 40256-40258 40269-40270 40305-40307 40328-40329 40331 40352 40354-40357 40359 40376 40378-40381 40383 40452 40454-40455 40469-40471 40724 40726-40727 40768-40769 40771 40965 40979 41365-41367 41372-41373 41375 41408 41410-41411 41414 41438-41439 41441 41444-41445 41456-41457 41459 41469 42122 42148 42150-42153 42156 42319 42323 42340-42341 42343 42360-42361 42363 42431 42447 42451 42467 42587 42612 42614-42615 42621 42623 42687 42703 42707 42723 42767 42771 42773-42774 42787 42825-42826 42853-42855 42924-42925 42927 42988-42990 43004-43005 43007 43109 43111 43117 43119-43120 43122 43128 43130-43131 43224-43225 43227-43228 43230 43249 43251-43252 43254-43255 43455 43475 43478-43479 43491-43492 43494-43495 43504-43505 43507 43512 43514-43517 43519 43604-43605 43742 43761 43773 43791 43797 43802 43813 43815 43830 43832-43833 43835 43849 43868 43870-43871 43877-43879 43882 43885 43924-43926 43929-43931 43938 43941-43943 43968 43978 43985 43995 44005-44007 44047 44051 44067 44140 44153 44160-44162 44168 44170-44171 44196-44198 44204 44217 44228 44230-44231 44245-44247 44288 44298 44304-44305 44307 44313-44315 44325-44327 44364 44366-44367 44381 44406 44544 44546-44547 44552-44553 44555-44556 44558-44559 44565 44567 44569 44571-44572 44574-44576 44578-44581 44583 44616-44617 44619 44640 44642-44645 44647 44796 44856-44858 44860 44876 44880 44896 44940 44944 44960 44983 45016 45018-45019 45022 45026-45029 45031 45036 45038-45039 45044 45046-45049 45051 46297-46299 46309-46311 46313-46315 46463 46478-46479 46490 46500-46502 46504-46506 46527 46547 46550 46553 46563 46578 46581 46590 46613-46615 46617 46619 46645 46688-46689 46691-46694 46704-46705 46707 46716-46717 46719 46799 46812 46814-46815 46829 46850 46862 46877 46884-46886 46888-46890 46945 46953-46955 46997-46999 47001-47003 47008 47010-47011 47013-47015 47338-47339 47439 47450-47451 47459 47476 47478-47479 47503 47516 47518-47519 47523 47529 47531 47552-47553 47555 47564-47565 47567 47576-47578 47581 47584 47586-47587 47589 47591-47594 47596 47606 47608-47609 47611 47694 47699 47705 47712-47713 47715-47716 47718 47721 47733 47763 47769 47771 47779 47782 47796-47797 47799 47802 47807-47808 47810-47811 47820 47822-47823 47827 47830 47844-47846 47865-47866 47874 47876-47877 47879 47886-47887 47913 47917 47938 47950 47952 47955 47961-47963 48010 48017 48038 48058 48064 48068-48069 48071 48101-48103 48105 48107 48143 48147 48163 48192 48194-48195 48204 48206-48207 48209 48217-48218 48245-48246 48289 48297-48299 48425-48427 48564 48566 48568-48569 48571 48580-48581 48584 48601 48618 48629-48631 48633-48635 48708-48710 48720-48721 48723 48756 48758-48759 48768-48770 48772-48773 48775 48782 48792-48793 48795 48818 48820-48821 48823-48824 48826-48827 48872-48873 48875 48892 48900 48902-48905 48907 48916-48917 48919-48920 48922-48923 48932-48933 48935-48936 48938-48939 48966 48976-48977 48979 48986 48988-48989 48991 49014 49056 49060-49061 49063 49080-49081 49083 7.952274030004205e-20 1.7798557115773645e-19 https://cdsarc.cds.unistra.fr/viz-bin/moc/II/241?format=ascii Infrared default II/241/out 2MASS Point Source Catalogue, output, incremental data release 2 (March 2000). Name Source designation meta.id;meta.main char indexed Hm_stdap ? H standard or BF aperture magnitude (10) mag phot.mag;em.IR.H float nullable e_Hm_stdap ? error on H_m_stdap mag stat.error float nullable Km_stdap ? K standard or BF aperture magnitude (10) mag phot.mag;em.IR.K float nullable e_Km_stdap ? error on K_m_stdap mag stat.error float nullable Ndet_flg [0-9] Number of aperture measurements (jjhhkk) (11) meta.number char RAJ2000 Right ascension (J2000) deg pos.eq.ra;meta.main DEJ2000 Declination (J2000) deg pos.eq.dec;meta.main MajAxis ? Major axis of position error ellipse arcsec stat.error float nullable MinAxis ? Minor axis of position error ellipse arcsec stat.error float nullable Theta [0,180]? Position angle of error ellipse major axis (E of N) deg pos.posAng;pos.errorEllipse int nullable f_Name [* ] A '*' flags a non-unique source designation meta.code char Jmag ? J selected "default" magnitude (1) mag phot.mag;em.IR.J float nullable indexed e_Jmag_d ? J "default" magnitude uncertainty (2) mag stat.error;phot.mag float nullable e_Jmag ? J "total" magnitude uncertainty (3) mag stat.error;phot.mag float nullable Hmag ? H selected "default" magnitude (1) mag phot.mag;em.IR.H float nullable indexed e_Hmag_d ? H "default" magnitude uncertainty (2) mag stat.error;phot.mag float nullable e_Hmag ? H "total" magnitude uncertainty (3) mag stat.error;phot.mag float nullable Kmag ? K selected "default" magnitude (1) mag phot.mag;em.IR.K float nullable indexed e_Kmag_d ? Ks "default" magnitude uncertainty (2) mag stat.error;phot.mag float nullable e_Kmag ? Ks "total" magnitude uncertainty (3) mag stat.error;phot.mag float nullable rd_flg [012348] Source of JHK "default" mag (4) meta.note char bl_flg [012] JHK components fit to source (5) stat.fit.param;meta.modelled char cc_flg [UNPCDSRGB0] Artifact contamin./confusion (6) meta.note char extd_flg [0,2]? Extended source contamination (7) meta.note int nullable mp_flg [0,1]? Association with asteroid or comet (8) meta.note int nullable Id_opt [UT] Associated optical source (9) meta.id.assoc;spect.dopplerVeloc.opt char Bmag ? Blue mag of associated optical source mag phot.mag;em.opt.B float nullable Rmag ? Red mag of associated optical source mag phot.mag;em.opt.R float nullable Dist_opt ? Distance to associated optical source arcsec meta.id.assoc;pos.angDistance float nullable PAopt [0,360]? position angle to optical source deg pos.posAng int nullable Nopt_mchs ? Number of optical sources within 5 arcsec #169-178 A10 "MM/DD/YYYY" Date Observation date meta.number int nullable Date Observation date (MM/DD/YYYY) time.epoch;obs char Hemis [ns] Hemisphere of observation obs.param;obs char Scan ? Scan number (within date) meta.id int nullable Id Source id number (within scan) meta.id;phys.atmol.number int GLON Galactic longitude deg pos.galactic.lon GLAT Galactic latitude deg pos.galactic.lat double Jpsfchi ? J band reduced chi2 value of fit stat.fit.chi2;stat.value float nullable Hpsfchi ? H band reduced chi2 value of fit stat.fit.chi2;stat.value float nullable Kpsfchi ? K band reduced chi2 value of fit stat.fit.chi2;stat.value float nullable Jm_stdap ? J standard or BF aperture magnitude (10) mag phot.mag;em.IR.J float nullable e_Jm_stdap ? error on J_m_stdap mag stat.error float nullable