I/283Aivo://CDS.VizieR/I/283ACDSHanson R.B.Klemola A.R.Jones B.F.Monet D.G.2023-07-24T15:01:53Z2004-10-03T20:39:30ZCDS support team

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

cds-question@unistra.frastrometryproper-motionsphotographic-magnitudetwo-color-diagramsastronomical-object-identificationThe NPM2 Catalog is the second part of the Lick Northern Proper Motion (NPM) program to measure absolute proper motions, on an inertial system defined by distant galaxies, for nearly 400,000 stars over a blue apparent magnitude range from 8 to 18. There are 1246 6x6degree fields in the NPM survey (to declination -23 degrees). The NPM2 Catalog covers the 28% of the northern sky lying near the plane of the the Milky Way and contains some 232,000 stars in the 347 NPM fields remaining after the 1993 NPM1 Catalog (149,000 stars in 899 fields away from the Milky Way). Each NPM field was photographed with the 51cm Carnegie Double Astrograph at two epochs between 1947 and 1988. The mean first and second epochs are 1950 and 1977; the average epoch difference is 27 years. The first-epoch plates were taken in the blue only; both blue and yellow plates were taken at the second epoch. For NPM2, the plates were scanned by the Precision Measuring Machine (PMM) at the US Naval Observatory, Flagstaff. From the PMM scans, 120,000 faint (B>14) stars were chosen anonymously for the NPM astrometric reductions and for statistical studies of stellar motions. The NPM2 catalog also contains 92,000 bright (B<14) positional reference stars, mostly from the Tycho-2 Catalogue, and 35,000 stars chosen for astronomical interest from Klemola's "Lick Input Catalog of Special Stars". (These categories overlap). Details of the NPM2 star selection, data reductions, and catalog compilation will be presented in a paper being prepared for the Astronomical Journal. The completed version of the NPM2 Catalog totals 232,062 stars from all 347 NPM2 fields; it supersedes the September 2002 preliminary version (295 fields). Together with the NPM1 Catalog (Cat. I/199, or http://www.ucolick.org/~npm/NPM1/) the NPM2 Catalog completes the Lick Northern Proper Motion program after more than a half-century of work by three generations of Lick Observatory astronomers. The NPM2 catalog gives J2000 positions computed for the catalog epoch 2000, and is ordered in 108 one-degree declination zones from +83 degrees to -23 degrees. Following the convention of the NPM1 catalog, each NPM2 star has an NPM2 "name" (e.g. +83.0001) reflecting the declination zone and a running number in right ascension order within the zone. The NPM2 Catalog is also available as 108 separate files, one for each declination zone from +83 degrees (z+83n) to -23 degrees (z-23n), from http://www.ucolick.org/~npm/NPM2/zones/ Each star's entry includes the absolute proper motion and blue (B) magnitude. For 98.5% of the stars the B-V color is also given. Other data given for each star are: the original mean epoch, a stellar class code, the number of NPM fields on which the star was measured, and discrepancy flags for proper motion, and photometry. Tycho-2 numbers are given for the primary positional reference stars (40% of NPM2); for these stars the Tycho B,V photometry, transformed to Johnson B and B-V, has been averaged with the NPM2 photographic photometry, with appropriate weights. ACRS and Hipparcos numbers are also given for NPM2 stars selected from those catalogs. The RMS precision of the NPM2 individual proper motions is about 0.6"/cent (6mas/yr) in each coordinate, comparable to the NPM1 errors. The NPM2 relative proper motions in each field were reduced to absolute (ICRS system) using an average of 370 Tycho-2 stars per NPM2 field. Magnitude-dependent systematic errors for the brightest (8<B<12) NPM2 stars were removed in the same reductions. The RMS accuracy of the proper motion zero point in each field is about 0.05"/cent (0.5mas/yr) in each coordinate. The RMS position errors at the NPM2 catalog epoch 2000 average about 0.2" (200mas) in each coordinate, due mostly to the accumulated proper motion error from original plate epochs (average 1968) to 2000. The pure positional errors at the original epochs average 0.08" (80mas) in each coordinate. The RMS errors for the NPM photographic photometry average about 0.18mag in B, and 0.20 mag in B-V. We thank the National Science Foundation for its long-term support of the NPM program. The NPM2 phase was supported by NSF grants AST-9530632 and AST-9988105. We thank the Yale Southern Proper Motion group (W. van Altena, I. Platais, and T. Girard) for their help in developing software to process the PMM plate scans.2004AJ....128.1430Hhttps://cdsarc.cds.unistra.fr/viz-bin/cat/I/283ACatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-tohttp://www.ucolick.org/~npm/NPM2/ : The NPM2 Home PageI/171 : Astrographic Catalog Reference Stars (ACRS) (Corbin+ 1991)I/199 : Lick Northern Proper Motion Program: NPM1 Catalog (Klemola+ 1987)I/259 : The Tycho-2 Catalogue (Hog+ 2000)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=I/283Ahttps://vizier.iucaa.in/viz-bin/VizieR-2?-source=I/283Ahttp://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=I/283Ahttps://vizier.cds.unistra.fr/viz-bin/votable?-source=I/283Ahttps://vizier.iucaa.in/viz-bin/votable?-source=I/283Ahttp://vizieridia.saao.ac.za/viz-bin/votable?-source=I/283AGETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table I/283A/npm2 (The NPM2 Catalogue of Absolute Proper Motions)https://vizier.cds.unistra.fr/viz-bin/conesearch/I/283A/npm2?https://vizier.iucaa.in/viz-bin/conesearch/I/283A/npm2?http://vizieridia.saao.ac.za/viz-bin/conesearch/I/283A/npm2?GETtext/xml+votable180.050000true323.771162583.073183330.0055555555555555562/5 14 55-56 60-61 86 92 94-95 115-116 118-119 3/16-17 19 25 27-28 30-31 47 49 51-52 54 60 106 200 202-203 206-207 218-219 228-230 249 252 327 333 335-336 338-339 365 367 372 374 455 459 468 470-471 481 484-485 496-497 500-501 4/5 21 53 73-75 96-97 107 116 118 181-183 185-187 193 201-203 212 214 220 222 244 248 416 418 428 778 804 806-807 818-819 859-860 862 866-867 870-871 924-925 929 932-933 944 1012 1014-1015 1301-1303 1305 1307 1337 1339 1350 1370 1392 1394 1400 1402-1403 1406 1428-1429 1431 1437-1439 1457-1459 1464-1466 1500 1502-1503 1813-1815 1817-1819 1829-1831 1833-1835 1878 1920-1922 1932-1934 1948-1950 1992-1993 2008-2009 2011-2014 2537-2542 2773-2775 3050-3051 3053-3055 3066 5/19 24-25 27-30 64-66 81 93 125 127 210-211 216-217 219-222 289 291 392-393 395-397 423 427 468 470 476 478 639 703 719 723 739 768-769 771 780-781 783 803 852-854 860 862 884 886 984 996 1000-1001 1576 1578-1579 1668 1670-1671 1676 1678 1716 1720 3106 3118-3119 3128 3130-3131 3220 3222-3223 3266-3268 3270-3271 3288 3290-3291 3293-3295 3431 3435 3455 3457-3459 3462-3463 3473-3475 3478-3479 3704 3709 3711 3713 3737 3740-3741 3780 3784 3968-3969 3972-3973 3975 3981 3983 4017 4020-4021 4052 4054-4055 4068 4081 4084 5197-5199 5201-5203 5217-5219 5224-5225 5227 5316-5317 5319 5325-5327 5345-5347 5353 5392 5394-5395 5404 5406-5407 5472 5474-5475 5484 5486 5580 5582 5606 5619 5628 5630 5701 5721 5741-5743 5745-5747 5789-5791 5812-5813 5815 5821 5823 5825-5827 5868-5870 5968-5970 5976 5978 6006-6007 7229-7231 7245-7247 7249-7251 7265-7267 7309-7311 7313-7315 7329-7331 7506 7518 7692-7693 7712 7725-7727 7740-7742 7776-7778 7789 7791 7804-7806 7812-7813 7815 7824-7826 7888-7889 7977 7980-7982 7984-7986 7988-7989 7991 8040-8041 8043 8060-8062 8132-8133 8135 8144-8146 9981-9983 10126 10142 10145-10147 10172 10749-10751 11089-11091 11124-11125 11127 12029-12031 12190 12194-12195 12209-12211 12258 12270 6/53 69-71 73-75 105 124-126 197 208-210 268-270 272-274 288-290 321 333 369 381 479 505-507 799 821 837-839 873 892 965 976 1152-1153 1155 1161-1163 1576-1577 1579 1592 1594 1597 1668 1685-1687 1689-1691 1701-1703 1705-1707 1876 1878 1884 1886 1908 1910 1916 1918-1919 2551 2555 2807 2811 2871 2875 2887 2891 2951 2955 3081 3109 3129 3131 3207 3211 3420-3422 3444 3542 3568 3578 3920 3922-3923 3928-3930 3940-3942 3944-3946 3988-3990 3992-3994 4008-4010 4027 4030 6282 6310 6330 6678 6708 6716 6718-6719 6868 6870 6872-6874 6884-6886 6888-6890 6907 12418 12428 12430 12466 12469-12471 12490-12491 12494 12516 12518-12519 12536 12538-12539 12730-12731 12884 12886-12887 13061-13063 13076 13078-13079 13128 13130-13131 13151 13156 13158-13159 13171 13487 13550-13551 13670 13673-13676 13678-13679 13717-13719 13721-13723 13733 13735 13737-13739 13815-13816 13818-13819 13827 13840 13842-13843 13889-13891 13904 13906-13907 13909-13911 14820-14822 14824-14826 14832-14833 14835 14843 14849 14861 14896-14897 14899-14901 14944-14945 14947 14957 14968-14969 14972-14973 14975 15124-15126 15128-15130 15140-15142 15144-15146 15189 15884 15896-15897 15921-15923 15928-15929 16064-16065 16088-16089 16092 16212-16214 16256 16260-16261 16263 16276-16278 16280-16281 16321 16332-16334 16340 16344 20701 20703 20725 20765-20767 20781-20783 20785-20787 20801-20803 20865-20867 20905 21253 21273 21293-21295 21297-21299 21377-21379 21409 21421 21572-21574 21594 21622 21802 21894 21914 21942 21948 22288 22296 22298-22299 22324 22326-22327 22332-22333 22416 22418 22430 22470-22471 22473-22475 22488 22490-22491 22516 22518-22519 22524-22526 22801 22813 22881 22893 22895 22943 22959 22963 22979 23135 23151 23155 23236-23237 23239 23256-23257 23259 23289-23291 23299 23484-23486 23884-23886 23888-23890 23916 23918-23919 24016 24018-24019 24022 28893-28895 28909-28911 28913-28915 28957-28959 28973-28975 28977-28979 28993-28995 29057-29059 29213-29215 29229-29231 29233-29235 29249-29251 29313-29315 30018 30030 30066 30078 30776-30778 30780-30781 30783 30852-30854 30856-30858 30877-30879 30893-30895 30897-30899 30972 31116 31120 31124-31125 31127 31135-31136 31155 31161 31228-31230 31236-31237 31239 31256-31257 31259 31281 31284-31285 31287 31308 31312 31328 31509 31561 31564 31568-31569 31904-31906 31917 31932-31934 31948-31950 31961 31968-31970 31989 32169 32252-32253 32273 32517 32537 32565 32588 32592-32593 32608 39901-39903 39917-39919 39921-39923 40493-40495 40498-40499 40508 40510-40511 40557-40559 40562 40574 40577-40579 40692-40694 40696-40698 40834 40840-40842 42973-42975 42989-42991 42993-42995 44317-44319 44340-44341 44343 44349 44353-44355 44484-44485 44487 44504-44505 44507 44532-44533 48093-48095 48109-48111 48113-48115 48749-48751 48755 48764 48766 48769-48771 48774 48794 48797-48799 48833-48835 49026 49036 49038 49074 49086https://cdsarc.cds.unistra.fr/viz-bin/moc/I/283A?format=asciidefaultI/283A/npm2The NPM2 Catalogue of Absolute Proper MotionsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintName[0-9.+-]! NPM2 star "name" made of: Byte 1 : Sign of J2000 declination Bytes 2-3: J2000 Declination zone Bytes 4-8: Running number in this zonemeta.id;meta.maincharRAJ2000Right Ascension J2000, Ep=J2000pos.eq.ra;meta.mainindexedDEJ2000Declination J2000, Ep=J2000pos.eq.dec;meta.mainpmRAAbsolute proper motion RA (in "/century)10mas/yrpos.pm;pos.eq.radoublepmDEAbsolute proper motion Dec. (in "/century)10mas/yrpos.pm;pos.eq.decdoubleBmagB magnitudemagphot.mag;em.opt.BfloatB-V? B-V colormagphot.color;em.opt.B;em.opt.VfloatnullableEp-1900Original mean epoch of position (-1900)yrtime.epochfloatClass[1,7] Code for class of starmeta.codeintNfieldsNumber of NPM fields on which the star was measuredmeta.id;obs.fieldintips[0,3] Discrepancy flag Positionmeta.code.errorintipm[0,3] Discrepancy flag Proper Motionmeta.code.errorintibv[0,3] Discrepancy flag Photometrymeta.code.errorintTYCHOTycho-2 catalog identificationmeta.idcharACRSACRS (Cat. I/171) catalog identificationmeta.idintHIPHipparcos (Cat. I/239) catalog identificationmeta.idint