J/AJ/151/153ivo://CDS.VizieR/J/AJ/151/153doi:10.26093/cds/vizier.51510153CDSTokovinin A.Mason B.D.Hartkopf W.I.Mendez R.A.Horch E.P.2018-05-29T06:58:47Z2018-02-02T09:05:12ZCDS support team

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

cds-question@unistra.frmultiple-starsinterferometryThe results of speckle interferometric observations at the Southern Astrophysical Research Telescope in 2015 are provided, totaling 1303 measurements of 924 resolved binary and multiple stars, and non-resolutions of 260 targets. The separations range from 12mas to 3.37'' (median 0.17''); the maximum measured magnitude difference is 6.7mag. We resolved 27 pairs for the first time, including 10 as inner or outer subsystems in previously known binaries, e.g., the 50mas pair in {epsilon} Cha. Newly resolved pairs are commented upon. We discuss three apparently non-hierarchical systems that have been discovered in this series, arguing that their unusual configurations are the result of projection. The resolved quadruple system HIP71510 is also studied.2016AJ....151..153Thttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/151/153CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toB/wds : The Washington Visual Double Star Catalog (Mason+ 2001-2014)V/130 : GC survey of Solar neighbourhood III (Holmberg+, 2009)I/311 : Hipparcos, the New Reduction (van Leeuwen, 2007)J/ApJ/799/4 : Robo-AO observations of binary stars (Riddle+, 2015)J/AJ/150/151 : DSSI observations of binaries. VI. (Horch+, 2015)J/AJ/150/50 : Speckle interferometry at SOAR in 2014 (Tokovinin+, 2015)J/AJ/149/195 : Spectroscopy of HD 91962 (Tokovinin+, 2015)J/AJ/149/8 : RVs of southern visual multiple stars (Tokovinin+, 2015)J/AJ/147/123 : SOAR speckle interferometry in 2012-2013 (Tokovinin+, 2014)J/AJ/144/56 : Speckle interferometry at SOAR in 2012 (Tokovinin+, 2012)J/AJ/144/7 : NIR imaging of HIP astrometric binaries (Tokovinin+, 2012)J/AJ/143/42 : SOAR speckle interferometry in 2010-2011 (Hartkopf+, 2012)J/ApJ/757/29 : Astrometric measurements of HD 143275 (Che+, 2012)J/MNRAS/422/2765 : Orbital motion monitoring of A multiples (De Rosa+ 2012)J/AJ/141/45 : Speckle observations of HIP stars (Horch+, 2011)J/AJ/140/1623 : PHASES diff. astrometry data archive (Muterspaugh+, 2010)J/AJ/139/743 : Speckle interferometry in 2008-09 (Tokovinin+, 2010)J/AJ/137/3358 : Speckle interferometry of massive stars (Mason+, 2009)J/AJ/136/312 : 2001-2006 WIYN binary stars speckle obs. (Horch+, 2008)J/AJ/123/1023 : Binary star orbits (Seymour+, 2002)J/MNRAS/331/45 : New periodic variables (Koen+, 2002)J/A+A/341/121 : Visual binary orbits and masses (Soederhjelm 1999)J/ApJS/117/587 : Observations of double stars. XVIII. (Heintz 1998)J/A+AS/126/21 : Velocities and duplicity of F-type dwarfs (Nordstroem+ 1997)J/AJ/111/370 : Orbits of 37 close visual systems (Hartkopf+ 1996)J/ApJS/99/693 : Observations of double stars. XVI. (Heintz 1995)J/AJ/108/2338 : Photographic astrometry. VIII. (Heintz 1994)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/151/153https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/151/153http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/151/153https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/151/153https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/151/153http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/151/153GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/151/153/table2 (Measurements of double stars at SOAR)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/151/153/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/151/153/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/151/153/table2?GETtext/xml+votable180.050000true0.1430847-53.09771360.005555555555555556Cone search capability for table J/AJ/151/153/table3 (Unresolved stars)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/151/153/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/151/153/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/151/153/table3?GETtext/xml+votable180.050000true0.2923281-0.07608970.005555555555555556Cone search capability for table J/AJ/151/153/table4 (Newly resolved pairs)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/151/153/table4?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/151/153/table4?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/151/153/table4?GETtext/xml+votable180.050000true0.9043758-31.09417940.0055555555555555566/28 42 46 49 114 144 275 288 322 340 359 368 377 624 725 781 1024 4099 4118 4129 4158 4184 4206 4280 4316 4344 4358 4416 6146 8237 8243 8255 8348 8354 8357 8383 8429 8430 8469 8508 8620 8653 8704 8735 8743 8816 8985 8995 9009 9249 10242 12295 12311 12312 12330 12337 12348 12363 12378 12400 12414 12426 12447 12465 12503 12526 12649 12701 12718 12742 12820 12829 12865 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49121https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/151/153?format=asciidefaultJ/AJ/151/153/refsReferencesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRefReference codemeta.note;meta.maincharprimaryBibCodeBibliographic codemeta.bib.bibcodecharAutAuthor's namemeta.bib.authorcharComCommentsmeta.notecharJ/AJ/151/153/notesNotesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintWDSWDS identification (from cat. B/wds)meta.id;meta.maincharNoteNotesmeta.noteJ/AJ/151/153/table2Measurements of double stars at SOARSimbadNameSimbad column added by the CDSmeta.idcharnullableONameOther namemeta.idcharCompComponentsmeta.code.multipcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintWDSWDS identification (from cat. B/wds)meta.id;meta.maincharprimaryDiscDiscoverer designation (as adopted in the WDS)meta.idcharHIP? Hipparcos number (cat. I/239)meta.idintnullablem_HIP[BC] Multiplicity index on HIPmeta.code.multipcharNobsNumber of observations of this system (Tables 2 and 3)meta.numberintnullableNewindicates a Newly resolved pair (table4)meta.ref.urlcharEpoch[15.1/15.92] Besselian epoch of observationyrtime.epoch;obsfloatFlt[HIVy] Filter used: V, H, I=near-infrared I filter (788/132nm), or y=Stromgren y filter (543/22nm)meta.notecharNo[1/6] Number of observations usedmeta.numberintPAPosition angle {theta}degpos.posAngfloatErr[0/28] Internal measurement error in tangential direction {rho}{sigma}_{theta}_masstat.errorfloatSep[0.012/3.37] Separation {rho}arcsecpos.angDistance;src.orbitalfloate_Sep[0/40] The 1{sigma} uncertainty in Sep {sigma}{rho}masstat.errorfloatDmag[0/6.8] Magnitude difference of pair {Delta}mmagphot.mag;arith.difffloatf_Dmag[*:q] Flag on Dmag (1)meta.codechar(O-C)t[-75.5/265.2]? The (O-C) in PA [O-C]_{theta}_degstat.fit.residualfloatnullable(O-C)r[-1.1/0.32]? The (O-C) in Sep [O-C]_{rho}_arcsecstat.fit.residualfloatnullableRefReference code to the orbit adopted in the Sixth Catalog of Orbits of Visual Binary Stars (Hartkopf et al. 2001AJ....122.3472H) also available at http://ad.usno.navy.mil/wds/orb6/wdsref.html); in refs.dat filemeta.idchar_RAPositions from SIMBAD database (right ascension part)degpos.eq.ra;meta.mainnullable_DEPositions from SIMBAD database (declination part)degpos.eq.dec;meta.mainnullableJ/AJ/151/153/table3Unresolved starsSimbadNameSimbad column added by the CDSmeta.idcharm_HIP[BC] Multiplicity index on HIPmeta.code.multipcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintWDSWDS identification (from cat. B/wds) (1)meta.id;meta.maincharDiscDiscoverer designation (or other name for objects without discoverer designations)meta.idcharCompComponentsmeta.code.multipcharHIP[93/118319]? Hipparcos number (cat. I/239)meta.idintnullableONameOther name (mostly HD identifier)meta.idcharNobsNumber of observations of this system (Tables 2 and 3)meta.numberintnullableEpoch[15.1/15.92] Epoch of observationyrtime.epochfloatFlt[IVy] Filter used (V, I=near-infrared I filter (788/132nm), or y=Stromgren y filter (543/22nm)instr.setupcharNo[1/4] Number of observations usedmeta.numberintMSep[0.02/0.06] Mininimum resolvable separation {rho}_min_ (2)arcsecpos.angDistance;src.orbitalfloatDm0.15[1.9/5.7] The 5{sigma} magnitude difference {Delta}m at 0.15'' (3)magphot.mag;arith.difffloatDm1[2/7.6] The 5{sigma} magnitude difference {Delta}m at 1'' (3)magphot.mag;arith.difffloatu_Dm1[:] Flag for noisy data that are mostly associated with faint stars (4)meta.code.errorchar_RAPositions from SIMBAD database (right ascension part)degpos.eq.ra;meta.mainnullable_DEPositions from SIMBAD database (declination part)degpos.eq.dec;meta.mainnullableJ/AJ/151/153/table4Newly resolved pairsSimbadNameSimbad column added by the CDSmeta.idcharSpTSpectral type (2)src.spTypecharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintWDSWDS identification (from cat. B/wds)meta.id;meta.maincharDiscDiscoverer designation (1)meta.idcharCompComponentsmeta.code.multipcharHIP? Hipparcos number (cat. I/239)meta.idintnullablem_HIP[B] Multiplicity index on HIPmeta.code.multipcharONameOther namemeta.idcharNDisplay the Notesmeta.notecharEpoch[15.16/15.92] Epoch of observationtime.epochfloatFlt[Iy] Filter used: I=near-infrared I filter (788/132nm), or y=Stromgren y filter (543/22nm)instr.setupcharPA[2.4/322.6] Position angle {theta}degpos.posAngfloatSep[0.021/1.78] Separation {rho}arcsecpos.angDistance;src.orbitalfloatDmagMagnitude difference of pair {Delta}mmagphot.mag;arith.diffcharplx[3.5/29]? Hipparcos parallax (van Leeuwen, 2007, Cat. I/311) {pi}_HIP2_maspos.parallaxfloatnullable_RAPositions from SIMBAD database (right ascension part)degpos.eq.ra;meta.mainnullable_DEPositions from SIMBAD database (declination part)degpos.eq.dec;meta.mainnullable