J/MNRAS/457/133ivo://CDS.VizieR/J/MNRAS/457/133doi:10.26093/cds/vizier.74570133CDSJayson J.S.2024-08-15T20:17:52Z2017-08-28T14:14:59ZCDS support team

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

cds-question@unistra.frmultiple-starsWe have conducted a feasibility study to determine the effectiveness of using USNO-B1.0 data to preferentially detect objects with displaced red and blue components. A procedure was developed to search catalogue entries for such objects, which include M dwarfs paired with white dwarfs or with earlier main-sequence stars, and galaxies with asymmetric colour distributions. Residual differences between red and blue and infrared and blue scanned emulsion images define vectors, which, when appropriately aligned and of sufficient length, signal potential candidates. Test sample sets were analysed to evaluate the effective discrimination of the technique. Over 91000 USNO-B1.0 catalogue entries at points throughout the celestial sphere were then filtered for acceptable combinations of entry observations and magnitudes and the resulting total of about 17000 entries was winnowed down to a little more than 200 objects of interest. These were screened by visual examination of photo images to a final total of 146 candidates. About one quarter of these candidates coincide with SDSS (Sloan Digital Sky Survey) data. Those constituents fall into two groups, single and paired objects. SDSS identified several galaxies in the first group. Regarding the second group, at least half of its members were tentatively identified as main-sequence pairs, the greater portion being of widely separated spectral types. Two white dwarf-main-sequence pairs were also identified. Most importantly, the vectors formed from USNO-B1.0 residuals were in alignment with corresponding SDSS pair position angles, thereby supporting this work's central thesis.2016MNRAS.457..133Jhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/457/133CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toI/284 : The USNO-B1.0 Catalog (Monet+ 2003)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/457/133https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/457/133http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/457/133https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/457/133https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/457/133http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/457/133GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/457/133/tables3 (Single star set)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/457/133/tables3?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/457/133/tables3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/457/133/tables3?GETtext/xml+votable180.050000true52.876-30.71078060.005555555555555556Cone search capability for table J/MNRAS/457/133/tables4 (Binary sets)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/457/133/tables4?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/457/133/tables4?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/457/133/tables4?GETtext/xml+votable180.050000true83.7024583-32.66008330.005555555555555556Cone search capability for table J/MNRAS/457/133/tables6 (Candidate list)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/457/133/tables6?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/457/133/tables6?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/457/133/tables6?GETtext/xml+votable180.050000true53.5974583-86.53163060.0055555555555555565/3089 6/250 309 548 836 2356 2660 3715 4450 4511 4519 4672 4674 5025 5213 5590 5830 6497 6546 6582 6873 6974 7212 7395 7586 7810 8162 8356 8383 9141 9176 9429 9471 9492-9493 9638 9747 9839 10037 10126 10420 10560 10612 10739 10855 10935 11449 11496 11565 11573 11645 11853 12022 12486 12865 13688 13888 13890 14123 15346 15355 16032 16645 17015 17115 17186 17271 17348 17495 17534 17588 17607 17712 17943 17954 17964 18121 18218 18440 18538 19559 20328 20617 20833 21031 21306 21407 22162 22805 22845 23047 23111 23474 23480 23591 23997 24466 24797 25440 25642 26260 26279 26299 26327 27108 27207 27338 27350 27484-27485 27487 27611 27852 28148 28259 28536 28589 29614 31019 31400 32444 32703 32774-32775 32780-32781 34699 35761 35818 35858 35864 35923 36012 36125 36160 36264 36401 36543 36578 36778 36863 38526-38527 40084 40748 40941 43220 43769 43771 44517 46510-46511 46852 49006https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/457/133?format=asciidefaultJ/MNRAS/457/133/tables3Single star setANameAlternative namemeta.idcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintUSNOUSNO-B1.0 namemeta.id;meta.maincharRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainrrmssample deviation of the rms residual radiusarcsecstat.fit.residualfloatpts? Point countmeta.numberintnullableSimbadSimbad column added by the CDSmeta.ref.urlcharJ/MNRAS/457/133/tables4Binary setsSample[AB] Sample (1)src.samplecharUSNOUSNO-B1.0 namemeta.id;meta.maincharANameAlternate namemeta.idcharl_Sep[~<] Limit flag on Sepmeta.code.errorcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainSepSeparationarcsecpos.angDistancefloatn_Sep[-/]meta.notecharSep2? Second value of separationarcsecpos.angDistancefloatnullablef_Sep[WDS ]meta.codecharr_Sep? Reference for Sepmeta.ref;pos.frameintnullableFlag[Y] SDSS WD-dM ?meta.code.errorcharpts? Point countmeta.numberintnullableSimbadSimbad column added by the CDSmeta.ref.urlcharJ/MNRAS/457/133/tables6Candidate listrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintUSNOUSNO-B1.0 namemeta.id;meta.maincharRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainNobsNunber of observationsmeta.noteintPAR1-B1? R1-B1 position angle (1)degpos.posAngfloatnullablePAR2-B2? R2-B2 position angle (1)degpos.posAngfloatnullablePAI2-B2? I2-B2 position angle (1)degpos.posAngfloatnullableVectorR1-B1? Displacement vector between R1 and B1 (1)arcsecpos.angDistancefloatnullableVectorR2-B2? Displacement vector between R2 and B2 (1)arcsecpos.angDistancefloatnullableVectorI2-B2? Displacement vector between I2 and B2 (1)arcsecpos.angDistancefloatnullableimgUSNO-B1.0 image SDSS data (2)meta.notechar