J/AJ/132/1202ivo://CDS.VizieR/J/AJ/132/1202doi:10.26093/cds/vizier.51321202CDSKinemuchi K.Smith H.A.Wozniak P.R.McKay T.A.2018-01-05T08:55:49Z2008-08-26T08:53:20ZCDS support team

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

cds-question@unistra.frsurveysvariable-starsphotometrymetallicityWe use data from the Northern Sky Variability Survey (NSVS), obtained from the first-generation Robotic Optical Transient Search Experiment (ROTSE-I), to identify and study RR Lyrae variable stars in the solar neighborhood. We initially identified 1197 RRab (RR0) candidate stars brighter than the ROTSE median magnitude V=14. Periods, amplitudes, and mean V magnitudes are determined for a subset of 1188 RRab stars with well-defined light curves. Metallicities are determined for 589 stars by the Fourier parameter method and by the relationship between period, amplitude, and [Fe/H]. We comment on the difficulties of clearly classifying RRc (RR1) variables in the NSVS data set. Distances to the RRab stars are calculated using an adopted luminosity-metallicity relation with corrections for interstellar extinction. The 589 RRab stars in our final sample are used to study the properties of the RRab population within 5kpc of the Sun. The Bailey diagram of period versus amplitude shows that the largest component of this sample belongs to Oosterhoff type I. Metal-rich ([Fe/H]>-1) RRab stars appear to be associated with the Galactic disk. Our metal-rich RRab sample may include a thin-disk, as well as a thick-disk population, although the uncertainties are too large to establish this. There is some evidence among the metal-rich RRab stars for a decline in scale height with increasing [Fe/H], as was found by Layden. The distribution of RRab stars with -1<[Fe/H]<-1.25 indicates that within this metallicity range the RRab stars are a mixture of stars belonging to halo and disk populations.2006AJ....132.1202Khttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/132/1202CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/AJ/119/1901 : ROTSE all-sky surveys for variable stars (Akerlof+, 2000)J/AJ/128/2965 : Red variables in the NSVS (Williams+, 2004)J/A+A/312/111 : [Fe/H] from RR Lyrae light curves (Jurcsik+, 1996)http://skydot.lanl.gov : NSVS databasehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/132/1202https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/132/1202http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/132/1202https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/132/1202https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/132/1202http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/132/1202GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/132/1202/table4 (NSVS RRab Properties)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/132/1202/table4?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/132/1202/table4?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/132/1202/table4?GETtext/xml+votable180.050000true341.08099483.9499970.0055555555555555566/110 143 168 399 471 598 693 706 712 969 998 1105 1185 1223 1294 1446 1541 1663 1677 1709 1737 1753 1941 2035 2046 2049 2069 2076 2173 2189 2238 2245 2404 2458 2459 2484 2526 2570 2589 2629 2642 2678 2765 2910 2938 3176 3329 3347 3384 3436 3727 3732 3807 3828 4002 4013 4123 4124 4152 4158 4165 4194 4219 4230 4232 4286 4334 4352 4358 4463 4479 4493 4607 4669 4762 4764 4791 4828 4900 4909 4920 4942 4990 4998 5075 5156 5168 5182 5208 5222 5246 5251 5254 5298 5301 5459 5468 5527 5543 5584 5589 5598 5630 5675 5712 5714 5725 5767 5775 5786 5807 5839 5869 5886 5934 5975 5979 5981 5984 6073 6075 6085 6088 6105 6176 6247 6301 6357 6372 6469 6497 6537 6567 6624 6625 6629 6716 6744 6749 6906 6909 6944 6948 6996 7004 7102 7127 7174 7250 7253 7305 7320 7336 7359 7360 7380 7397 7410 7430 7451 7462 7474 7499 7518 7552 7631 7648 7677 7768 7774 7792 7806 7847 7852 7877 7940 7950 7979 8134 8147 8178 8199 8203 8210 8216 8221 8248 8270 8287 8299 8314 8372 8402 8426 8448 8458 8465 8466 8480 8499 8503 8508 8512 8518 8519 8530 8532 8553 8560 8571 8612 8614 8635 8670 8682 8714 8727 8736 8739 8758 8775 8785 8797 8807 8809 8815 8819 8824 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44534 44535 44595 44621 44641 44661 44666 44680 44700 44718 44742 44758 44782 44784 44797 44804 44809 44822 44838 44846 44866 44871 44873 44897 44900 44905 44906 44919 44921 44924 44942 44951 44956 44978 44983 44986 45003 45012 45024 45033 45037 45039 45043 45050 45051 46564 47043 47050 48439 48443 48526 48542 48576 48579 48601 48603 48610 48755 48767 48815 48836 48911 49005 49011 49023 49030 49034 49035 49051 49083 49086 49087 49102 49130 49134 49136https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/132/1202?format=asciiOpticaldefaultJ/AJ/132/1202/table4NSVS RRab PropertiesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNSVSNorthern Sky Variability Survey ID numbermeta.id;meta.mainintprimaryn_NSVSSimbad column added by the CDSmeta.ref.urlcharRAJ2000Right Ascension in decimal degrees (J2000)degpos.eq.ra;meta.mainDEJ2000Declination in decimal degrees (J2000)degpos.eq.dec;meta.mainPerPerioddtime.perioddoubleVampROTSE amplitude, scaled to Johnson V bandmagsrc.var.amplitudefloatVmagMean intensity-weighted V band magnitudemagphot.mag;em.opt.VfloatJ/AJ/132/1202/table3Photometric Metallicity of NSVS RRab StarsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNSVSNorthern Sky Variability Survey ID numbermeta.id;meta.mainint[Fe/H]APThe Sandage (2004AJ....128..858S) [Fe/H] valuephys.abund.Fefloate_[Fe/H]APThe 1{sigma} uncertainty in [Fe/H]APstat.error;phys.abund.Fefloat[Fe/H]JK? The Jurcsik & Kovacs (1996, Cat. <J/A+A/312/111>) [Fe/H] valuephys.abund.Fefloatnullablee_[Fe/H]JK? The 1{sigma} uncertainty in [Fe/H]JKstat.error;phys.abund.Fefloatnullable[Fe/H]The best estimate of [Fe/H]phys.abund.Fe;meta.modelledfloate_[Fe/H]The 1{sigma} uncertainty in [Fe/H]stat.error;phys.abund.Fefloat