J/AJ/169/87ivo://CDS.VizieR/J/AJ/169/87doi:10.26093/cds/vizier.51690087CDSCanbay R.AK T.Bilir S.Soydugan F.Eker Z.2026-07-02T11:52:30Z2025-11-25T15:59:22ZCDS support team

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

cds-question@unistra.frcataclysmic-variable-starsvisible-astronomytrigonometric-parallaxastrometryproper-motionsvariable-starsgalaxy-kinematicsUsing high-precision astrometric data from Gaia DR3 and updated systemic velocities from the literature, the kinematical properties of cataclysmic variables (CVs) were investigated. By constraining the data according to the total space velocity error and Galactic population class, a reliable sample of data was obtained. Nonmagnetic CVs located in the thin disk have been found to have a total space velocity dispersion of {sigma}_{nu}_=46.33+/-4.23km/s, indicating that the thin disk CVs with a mean kinematical age of {tau}=3.95+/-0.75Gyr are much younger than the local thin disk of the Galaxy with {tau} ~6-9Gyr. Total space velocity dispersions of nonmagnetic CVs belonging to the thin disk component of the Galaxy were found to be {sigma}_{nu}_=47.67+/-3.94 and {sigma}_{nu}_=44.43+/-4.33km/s for the systems below and above the orbital period gap, respectively, corresponding to kinematical ages of {tau}=4.19+/-0.71 and {tau}=3.61+/-0.74Gyr. {gamma} velocity dispersions of the thin disk CVs below and above the gap were obtained {sigma}_{gamma}_=27.52+/-2.28 and {sigma}_{gamma}_=25.65+/-2.44km/s, respectively. This study also shows that the orbital period is decreasing with increasing age, as expected from the standard theory. The age-orbital period relation for nonmagnetic thin disk CVs was obtained as dP/dt =-2.09(+/-0.22)x10^-5^s/yr. However, a significant difference could not be found between the {gamma} velocity dispersions of the systems below and above the gap, which were calculated to be {sigma}_{gamma}_=27.52+/-2.28 and {sigma}_{gamma}_=25.65+/-2.44km/s, respectively.2025AJ....169...87Chttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/169/87CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toB/cb : Cataclysmic Binaries, LMXBs, and related objects (Ritter+, 2004)I/352 : Distances to 1.47 billion stars in Gaia EDR3 (Bailer-Jones+, 2021)I/355 : Gaia DR3 Part 1. Main source (Gaia Collaboration, 2022)I/357 : Gaia DR3 Part 3. Non-single stars (Gaia Collaboration, 2022)V/110 : Catalog of Cataclysmic Variables (Downes+ 2001)V/113D : Cataclysmic Binaries, LMXBs, and related objects (Ritter+, 2003)V/123A : Catalog of Cataclysmic Variables (Downes+ 2001-2006)J/A+A/312/93 : Cataclysmic variables systemic-velocity (van Paradijs+, 1996)J/A+AS/141/491 : Chemical composition of halo and disk stars (Nissen+, 2000)J/A+A/410/527 : Abundances in the Galactic disk (Bensby+, 2003)J/MNRAS/355/307 : SA114 Ug'r'i'Z photometry (Karaali+, 2004)J/A+A/433/185 : Detailed abundance analysis of 102 F & G dwarfs (Bensby+, 2005)J/A+A/440/1153 : Equivalent widths of 7 thin-disk stars (del Peloso+, 2005)J/other/NewA/12.446 : Absolute magnitudes of cataclysmic variables (Ak+, 2007)J/A+A/492/171 : VIc light curves of NGC 6791 V20 (Grundahl+, 2008)J/ApJS/194/28 : The evolution of cataclysmic variables (Knigge+, 2011)J/AJ/150/170 : Radial velocities of 7 cataclysmic binaries (Halpern+, 2015)J/other/NewA/34.234 : Gal. cataclysmic variables distances (Ozdonmez+, 2015)J/AJ/152/226 : Radial velocities of 35 CVs (Thorstensen+, 2016)J/MNRAS/480/4884 : Gaia wide binaries (El-Badry+, 2018)J/A+A/620/A141 : Physical properties of AM CVn stars (Ramsay+, 2018)J/ApJ/886/100 : High-mass white dwarfs in Gaia DR2 (Cheng+, 2019)J/MNRAS/486/5535 : Parameters of 15 CVs (McAllister+, 2019)J/MNRAS/491/5717 : Evidenced reduced magnetic braking in polars (Belloni+,2020)J/A+A/658/A22 : Kinematic properties of white dwarfs (Raddi+, 2022)J/AJ/165/163 : Cataclysmic variables in the Gaia era (Canbay+, 2023)J/MNRAS/525/3597 : CVs from SDSS V (Inight+, 2023)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/169/87https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/169/87http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/169/87https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/169/87https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/169/87http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/169/87GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/169/87/table1 (Coordinates, types, orbital periods, astrometric data, and systemic velocities of CVs)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/169/87/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/169/87/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/169/87/table1?GETtext/xml+votable180.050000true2.8532083-11.47863890.005555555555555556Cone search capability for table J/AJ/169/87/table2 (Galactic coordinates, space velocity components, and TD/D values for CVs)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/169/87/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/169/87/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/169/87/table2?GETtext/xml+votable180.050000true2.8526-11.47520.0055555555555555566/158 381 557 669 901 928 1007 1346 1465 1639 1694 1720 1761 1781 2012 2079 2134-2135 2154 2244 2248 2286 2294 2297 2309 2360 2365 2408 2435 2440 2661 2674 2883 2994 3011 3029 3041 3155 3198 3231 3247 3292 3421 3423 3601 3629 3753 3874 3923 4040 4052 4173-4174 4196 4221 4279 4296 4348 4356 4479 4515 4607 4723 4740 4757 4790 4828 4859-4860 4964 4990 5129 5191 5210 5344-5345 5485 5558 5570 5596 5727 5756 5802 5833 5864 5883 5918 5932 5947 6052 6075-6076 6131 6242 6244 6274 6319 6456 6528 6598 6668 6750 6883 7040-7041 7168 7207 7210-7211 7306 7320 7371 7390 7518 7577 7582 7607 7636 7704 7752 7844 7873 7906 7980 8269 8296 8359 8474-8475 8545 8549 8552 8559 8688 8693 8804 8877 9214 9238 9333 9425 9467 9484 9489 9492 9503 9578 9618 9738 10098 10176 10232 11072 11084 11333 11515 12114 12479 12554 12568 12625 12627 12691 12767 12830 12859 12888 12896 13024 13106 13278 13374 13458 13575 13641 13678 13814 13902 13969 13975 14000 14018 14254 14441 14502 14529 14540 14551 14641 14681 14701 14722 14784 14894 14906 14936 14964 15014 15036 15090 15105 15110 15122 15150 15346 15368 15385 15430 15451 15694 15869 15886 16041 16046 16078 16253 16280 17248 17515 17600 17685 17722 17886 17983 18207 18229 18329 18590 18817 18859 18862 19009 19039 19076 19178 19194 19316 19363 19383 19574 19639 19644 19937 19943 19950 20066 20168 20296 20365 20369 20378 20618 20773 20805 20940 21338 21476 21553 21576 21822-21823 21879 21911 21913 21917 21966 22010 22140 22262 22360 22384 22464 22485 22573 22628 22716 22745 22813 22828 22890 22894 22977 23152 23432 23469 23549 23767 23773 23861 24061 24098 24113 24217 24222 24283 24297 24466 24487 24490 25225 25232 25452 25481 25577 25709 25958 26115 26157 26588 26636 26780 26862 26995 27004 27204 27223 27386 27480 27482 27545 28104 28396 28501 28849-28850 29004 29217 29307 29338 29406 29795 29832 29871 29898 29910 30029 30044 30129 30297 30315 30588 30647 30670 30682 30788 30970 31331 31357 31681 31684 31715 31774 31789 31852 31873 31984 32017 32244 32294 32322 32378 32409 32432 32436 32472 32552 33067 33378 33403 33822 33856 34139 34655 35771 36130 36234 37000 37022 37216 37252 37548 37824 37891 37933 37994 38348 38651 38745 38747 38827 39192 39253 39397 39459 39720 39756 40165 40578 40635 40640 40764 40925 41311 41340 41384 41766 41876 42174 42289 42347 42825 42910 43000 43235 43321 43660 43882 43908 43940 43947 44245 44561 44893 46591 46969 47161 47496 47525 47851 48034 49004 49029 49104 49112 49129https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/169/87?format=asciiOpticaldefaultJ/AJ/169/87/table1Coordinates, types, orbital periods, astrometric data, and systemic velocities of CVsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameStar Namemeta.id;meta.maincharprimaryGaiaDR3Display the data from Gaia DR3 (I/355) within 3"meta.ref.urlintnullableBJ21Display the data from Bailer-Jones+2021 (V/113) within 3"meta.ref.urlintnullableRAJ2000Hour of right ascension, Gaia DR3 (I/355) (J2000)pos.eq.ra;meta.mainDEJ2000Degree of declination, Gaia DR3 (I/355) (J2000)pos.eq.dec;meta.mainTypeType (1)src.classcharSimbadNameSimbad column added by the CDSmeta.idcharnullablePorb[0.02/4.7] Oribtal perioddtime.period;src.orbitaldoubleplx[0.09/22.4] Trigonometric parallax, Gaia DR3 (I/355)maspos.parallaxfloate_plx[0.0123/1.0658] Uncertainty in plxmasstat.error;pos.parallaxfloatDist1[45/10449] Distance from plx, Gaia DR3 (I/355)pcpos.distanceinte_Dist1[0/21274] Uncertainty in Dist1pcstat.error;pos.distanceintpmRA[-145.362/137.993] Proper motion in RA, Gaia DR3 (I/355)mas/yrpos.pm;pos.eq.radoublee_pmRA[0.013/1.27] Uncertainty in pmRAmas/yrstat.error;pos.pm;pos.eq.rafloatpmDE[-250.455/72.72] Proper motion in DE, Gaia DR3 (I/355)mas/yrpos.pm;pos.eq.decdoublee_pmDE[0.013/0.924] Uncertainty in pmDEmas/yrstat.error;pos.pm;pos.eq.decfloatDist2[45/5579] Distance (Bailer-Jones+2021, I/352)pcpos.distanceinte_Dist2[0/4322] Uncertainty in Dist2pcstat.error;pos.distanceintgamma[-149.0/177.0] Systemic velocitykm/sphys.velocfloate_gamma[0.01/70.0] Uncertainty in gammakm/sstat.error;phys.velocfloatBibcodeADS/SciX bibcode for r_gammameta.bib.bibcode;phys.veloccharJ/AJ/169/87/table2Galactic coordinates, space velocity components, and TD/D values for CVsNameStar Namemeta.id;meta.maincharprimary_RA.icrsRight ascension (ICRS) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services)degpos.eq.raindexed_DE.icrsDeclination (ICRS) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services)degpos.eq.decindexedrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintGLONGalactic longitudedegpos.galactic.lonGLATGalactic latitudedegpos.galactic.latDist2[45/5579] Distance (Bailer-Jones+2021, I/352)pcpos.distanceinte_Dist2[0/4322] Uncertainty in Dist2pcstat.error;pos.distanceintX[-3043/4992] Galactic X coordinate, Sun-centeredpcpos.cartesian.x;pos.galacticintY[-4469/4305] Galactic Y coordinate, Sun-centeredpcpos.cartesian.y;pos.galacticintZ[-2647/2667] Galactic Z coordinate, Sun-centeredpcpos.cartesian.z;pos.galacticintULSR[-101.1/265.6] Space velocity component in U, corrected for the LSRkm/sphys.veloc;pos.cartesian.x;pos.lsrfloate_ULSR[0.01/48.31] Uncertainty in ULSRkm/sstat.error;phys.veloc;pos.cartesian.xfloatVLSR[-320.1/146.9] Space velocity component in V, corrected for the LSRkm/sphys.veloc;pos.cartesian.y;pos.lsrfloate_VLSR[0.01/85.7] Uncertainty in VLSRkm/sstat.error;phys.veloc;pos.cartesian.yfloatWLSR[-123/123.7] Space velocity component in W, corrected for the LSRkm/sphys.veloc;pos.cartesian.z;pos.lsrfloate_WLSR[0.01/61.9] Uncertainty in WLSRkm/sstat.error;phys.veloc;pos.cartesian.zfloatProb[5e-3/8.9e+25]? Thick disk / thin disk probabilitystat.probabilitydoublenullablef_ProbProbability flag indicating a Prob value of 4.77e+38 (1)meta.codechar