J/AJ/115/296ivo://CDS.VizieR/J/AJ/115/296doi:10.26093/cds/vizier.51150296CDSHenden A.A.Stone R.C.2023-04-06T16:50:28Z1999-02-03T16:36:33ZCDS support team

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

cds-question@unistra.frvariable-starsphotometryThe US Naval Observatory 0.2m Flagstaff Astrometric Scanning Transit Telescope (FASTT) was used to obtain astrometric information in 16 equatorial fields in support of the Sloan Digital Sky Survey (SDSS). Each field is approximately 7.6{deg}x3.2{deg} in size and was scanned ~10 times with overlapping CCD strip scans; star positions accurate to +/-50mas in each coordinate and magnitudes good to +/-0.011mag were determined. As an ancillary project, this database was searched for new variables, and the results of that search are presented here. Approximately 1500 new variables have been discovered, and accurate coordinates for ~100 previously identified variables and suspected variables are given.1998AJ....115..296Hhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/115/296CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toII/214 : General Catalog of Variable Stars, 4th Ed. (GCVS4) (Kholopov+ 1998)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/115/296https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/115/296http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/115/296https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/115/296https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/115/296http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/115/296GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/115/296/table1 (SDSS calibration regions)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/115/296/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/115/296/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/115/296/table1?GETtext/xml+votable180.050000true7.88375-1.6441670.005555555555555556Cone search capability for table J/AJ/115/296/table2 (Variable stars)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/115/296/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/115/296/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/115/296/table2?GETtext/xml+votable180.050000true8.6869255560.9057388890.005555555555555556Cone search capability for table J/AJ/115/296/table3 (Known variable stars)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/115/296/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/115/296/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/115/296/table3?GETtext/xml+votable180.050000true11.971430833-1.3163566670.0055555555555555565/4517 4712 4714 4751 4773 5475 5477-5478 5523-5526 5529 5736 5738 6592 6805-6806 7423 7567 7576 7578 7589 7591 7594 7764-7765 7767 7827-7830 7844-7846 7848 7936 6/17659-17662 17804 17827-17830 17833 17838 17840 17842 17981-17982 18004-18005 18007 18013 18016 18018-18020 18022-18025 18028-18029 18065-18067 18073 18076-18077 18112-18113 18120 18178-18179 18679 18685-18687 18829-18831 18840 18853-18855 18860-18862 18864-18866 18868 19003 19022-19023 19029 19040-19041 19045-19047 19049-19054 19056 19089 19101 19136-19138 19200 19202 21755-21756 21758-21759 21821-21823 21866-21867 21906-21907 21916-21918 21925 21936-21938 21952-21954 21960 22087 22108-22110 22113 22125 22128-22130 22272 22274 22781 22783 22950 22956-22957 22959 23100-23101 23111 23121-23123 23125-23127 23133-23134 23138-23139 23141 23145-23148 23150 23175 23180 23184 23186 23188 23190-23191 23193-23195 23197-23199 23217 23232-23234 23296-23298 25847 25853-25855 26017-26020 26022 26024-26025 26027-26028 26030 26167 26173-26175 26183 26193-26197 26199 26201 26204-26206 26210 26216-26218 26222 26252 26259 26261-26262 26264-26266 26268-26270 26288-26289 26305-26306 26308 26372 26376 26879 26939 26941 26984 26986 27020-27021 27026-27028 27031-27032 27036 27038-27039 27050 27056-27057 27060 27074 27211 27213-27214 27217-27219 27229-27230 27236 27238-27239 27248-27250 27252 27256 27394 29687 29691 30263 30267 30283 30286 30308 30310-30311 30316-30318 30328 30352-30353 30355 30369-30371 30374 30380-30382 30400-30402 30971 30974 31047 31064-31065 31067 31324-31326 31329 31332-31333 31335 31345-31346 31367 31373-31375 31388-31389 31391 31396-31397 31399 31401 31404-31406 31408-31410 31488 31490 31748 45047https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/115/296?format=asciiOpticaldefaultJ/AJ/115/296/table1SDSS calibration regionsNstarNumber of starsmeta.numberintrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRegionRegion designationobs.fieldcharRAJ2000Right ascension (J2000.0), lower limitpos.eq.ra;meta.mainRA2Right ascension (J2000.0), upper limitpos.eq.raDEJ2000Declination (J2000.0), lower limitpos.eq.dec;meta.mainDE2Declination (J2000.0), upper limitpos.eq.decSize1Angular sizedegphys.angSize;srcfloatSize2Angular sizedegphys.angSize;srcfloatNobs2? Estimated number of stars for full sampling in the four regions with only partial parametersmeta.numberintnullableRFmagLimiting magnitude R_F_magphot.mag;em.optfloatGLONGalactic longitudedegpos.galactic.lonGLATGalactic latitudedegpos.galactic.latfloatNobsMean number photometric observations of each starmeta.numberfloatNvar1Number of variables found subject from 3{sigma}meta.numberintNvar2Number of variables found subject from 3{sigma}/FWHMmeta.numberintNvarTrue number of variables found subjectmeta.numberintJ/AJ/115/296/table2Variable starsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintFASTT[1,1602]+ Variable number (see "Nomenclature Note" section above)meta.id;meta.mainintprimaryindexedn_FASTT[*] *: variable also appears in table3.datmeta.notecharSDSSStar designation (ANNNNNNNN)meta.idcharprimaryRAJ2000Right ascension (J2000.0)pos.eq.ra;meta.mainDEJ2000Declination (J2000.0)pos.eq.dec;meta.mainRFmagMean R_F_ magnitudemagphot.mag;em.optfloate_RFmagrms uncertainty on RFmagmagstat.errorfloatx/yRatio of the FWHM in x and yinstr.paramfloate_x/yrms uncertainty on x/ystat.errorfloatNobsNumber of times each variable was observedmeta.numberintTypeClassification for the variablesrc.classcharNoteNotes pertaining to the nature of the variabilitymeta.notecharJ/AJ/115/296/table3Known variable starsNameStar namemeta.id;meta.maincharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSDSSStar designation (ANNNNNNNN)meta.idcharn_SDSS[*] *: Star does not appear in table2.datmeta.notecharRAJ2000Right ascension (J2000.0)pos.eq.ra;meta.mainDEJ2000Declination (J2000.0)pos.eq.dec;meta.mainDPosPositional error between the GCVS (Cat. <II/139>) and FASTT positionsarcminstat.errorfloatTypeClassification typesrc.classcharmagMax? Maximum magnitude Magmagphot.mag;em.optfloatnullablemagMin? Minimum magnitude Magmagphot.mag;em.optfloatnullableMag[VPB] Magnitude filtermeta.code;instr.filtercharRFmagMean R_F_ magnitudemagphot.mag;em.optfloatJD? Epoch of observationdtime.epochdoublenullablePer? Perioddtime.perioddoublenullable