J/MNRAS/442/2081ivo://CDS.VizieR/J/MNRAS/442/2081doi:10.26093/cds/vizier.74422081CDSKovacs G.Hartman J.D.Bakos G.A.Quinn S.N.Penev K.Latham D.W.,Bhatti W.Csubry Z.de Val-Borro M.2024-08-09T20:15:21Z2014-07-10T11:46:36ZCDS support team

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

cds-question@unistra.fropen-star-clustersvisible-astronomysloan-photometryBy using the dense coverage of the extrasolar planet survey project HATNet (Hungarian-made Automated Telescope Network), we Fourier analyse 381 high-probability members of the nearby open cluster Praesepe (Beehive/M44/NGC 2632). In addition to the detection of 10 variables (of delta Scuti and other types), we identify 180 rotational variables (including the two known planet hosts). This sample increases the number of known rotational variables in this cluster for spectral classes earlier than M by more than a factor of 3. These stars closely follow a colour/magnitude - period relation from early F to late K stars. We approximate this relation by polynomials for an easier reference to the rotational characteristics in different colours. The total (peak-to-peak) amplitudes of the large majority (94%) of these variables span the range of 0.005-0.04mag. The periods cover a range from 2.5 to 15d. These data strongly confirm that Praesepe and the Hyades have the same gyrochronological ages. Regarding the two planet hosts, Pr0211 (the one with the shorter orbital period) has a rotational period that is ~2d shorter than the one expected from the main rotational pattern in this cluster. This, together with other examples discussed in the paper, may hint that star-planet interaction via tidal dissipation can be significant in some cases in the rotational evolution of stars hosting hot Jupiters.2014MNRAS.442.2081Khttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/442/2081CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/AJ/128/1761 : HATNET variability survey (Hartman+, 2004)J/AJ/141/166 : HATNet variability survey of K and M dwarfs (Hartman+, 2011)J/MNRAS/408/475 : HATNet Pleiades Rotation Period Catalogue (Hartman+, 2010)J/AJ/135/907 : Variables in Praesepe identified with KELT (Pepper+, 2008)J/MNRAS/426/3419 : UKIDSS GCS Praesepe members (Boudreault+, 2012)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/442/2081https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/442/2081http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/442/2081https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/442/2081https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/442/2081http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/442/2081GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/442/2081/table2 (HATNet rotational variables in the Praesepe)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/442/2081/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/442/2081/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/442/2081/table2?GETtext/xml+votable180.050000true130.073416719.78750.005555555555555556Cone search capability for table J/MNRAS/442/2081/tablea1 (Non-rotational variables in Praesepe detected in the HATNet data base)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/442/2081/tablea1?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/442/2081/tablea1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/442/2081/tablea1?GETtext/xml+votable180.050000true130.527073119.41125750.005555555555555556Cone search capability for table J/MNRAS/442/2081/tableb1 (SBs in Praesepe)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/442/2081/tableb1?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/442/2081/tableb1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/442/2081/tableb1?GETtext/xml+votable180.050000true130.83412519.76905560.005555555555555556Cone search capability for table J/MNRAS/442/2081/list (HATNet IDs and the corresponding 2MASS IDs of the 381 stars analyzed in the paper)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/442/2081/list?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/442/2081/list?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/442/2081/list?GETtext/xml+votable180.050000true130.54518.93436110.0055555555555555565/1171 1174 1177 1180-1181 6/4335 4675 4677-4679 4689-4692 4694 4700-4702 4704-4705 4713 4715-4717 4728-4730 4732 4816-4817 4872 48968.650015785639275e-20 4.920466254354166e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/442/2081?format=asciiOpticaldefaultJ/MNRAS/442/2081/table2HATNet rotational variables in the PraeseperecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHATNetInternal name used in the HATNet databasemeta.id;meta.maincharType[a-d] HAT variable type (1)meta.code;src.varchar2MASSInternal name used in the 2MASS databasemeta.idcharLCPlot the light curvemeta.ref.urlcharnu[0.05/0.4] Frequencyd**-1em.freq;src.vardoublen_nuNote on nu (2)meta.notechar1/T[0.001/0.021] Inverse of the total time span (as a proxy of the error of the frequency)d**-1time.intervalfloatBmagJohnson B magnitudemagphot.mag;em.opt.BfloatVmagJohnson V magnitudemagphot.mag;em.opt.VfloatrmagSloan r magnitudemagphot.mag;em.opt.RfloatKmag2MASS Ks magnitudemagphot.mag;em.IR.KfloatJ-H2MASS J-H colour indexmagphot.color;em.IR.J;em.IR.HfloatJ-K2MASS J-K colour indexmagphot.color;em.IR.J;em.IR.KfloatAmp[0.003/0.11] Amplitude (3)magphot.magfloatSNRSignal-to-noise ratio of the peak frequency (4)em.freq;stat.maxfloatSimbadSimbad column added by the CDSmeta.ref.urlchar_RAPosition from 2MASS name (right ascension part)degpos.eq.ra;meta.main_DEPosition from 2MASS name (declination part)degpos.eq.dec;meta.mainJ/MNRAS/442/2081/tablea1Non-rotational variables in Praesepe detected in the HATNet data baseLCPlot the light curvemeta.ref.urlcharONameOther namemeta.idcharnuFrequencyd**-1em.freqdoublerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHATNetInternal name used in the HATNet databasemeta.id;meta.mainchar2MASSInternal name used in the 2MASS databasemeta.idcharKmag2MASS Ks magnitudemagphot.mag;em.IR.KfloatJ-K2MASS J-K colour indexmagphot.color;em.IR.J;em.IR.KfloatAmpAmplitude (1)magphot.magfloatSNRSignal-to-noise ratio (2)stat.snrfloatTypeVariable typemeta.code;src.varcharSimbadSimbad column added by the CDSmeta.ref.urlchar_RARight Ascension (J2000) from SIMBAD (not part of the original data)degpos.eq.ra;meta.main_DEDeclination (J2000) from SIMBAD (not part of the original data)degpos.eq.dec;meta.mainJ/MNRAS/442/2081/tableb1SBs in PraeseperecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHATNetInternal name used in the HATNet databasemeta.id;meta.maincharKWKW number, Cl* NGC 2632 KW NNNN in Simbadmeta.idintKmag2MASS Ks magnitudemagphot.mag;em.IR.KfloatJ-K2MASS J-K colour indexmagphot.color;em.IR.J;em.IR.KfloatfphotPhotometric frequency (1)d**-1em.freq;src.vardoubleforbOrbial frequency (1)d**-1em.freq;src.vardoublefphot/forbPhotometric to orbital frequency ratioem.freq;arith.ratiofloatSNRSignal to noise ratio (2)stat.snrfloatLCPlot the light curvemeta.ref.urlcharSimbadSimbad column added by the CDSmeta.ref.urlchar_RARight Ascension (J2000) from SIMBAD (not part of the original data)degpos.eq.ra;meta.main_DEDeclination (J2000) from SIMBAD (not part of the original data)degpos.eq.dec;meta.mainJ/MNRAS/442/2081/listHATNet IDs and the corresponding 2MASS IDs of the 381 stars analyzed in the paperrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHATNetInternal name used in the HATNet databasemeta.id;meta.mainchar2MASSInternal name used in the 2MASS databasemeta.idcharLCPlot the light curvemeta.ref.urlcharSimbadSimbad column added by the CDSmeta.ref.urlchar_RAPosition from 2MASS name (right ascension part)degpos.eq.ra;meta.main_DEPosition from 2MASS name (declination part)degpos.eq.dec;meta.main