J/A+A/508/1313ivo://CDS.VizieR/J/A+A/508/1313doi:10.26093/cds/vizier.35081313CDSFrasca A.Covino E.Spezzi L.Alcala J.M.Marilli E.Furesz G.,Gandolfi D.2019-05-08T15:39:06Z2010-02-07T16:21:01ZCDS support team

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

cds-question@unistra.frstellar-associationspre-main-sequence-starsinfrared-photometryWe performed an intensive photometric monitoring of the PMS stars falling in a field of about 10x10 arcminutes in the vicinity of the Orion Nebula Cluster (ONC). Photometric data were collected between November 2006 and January 2007 with the REM telescope in the VRIJHK' bands. The largest number of observations is in the I band (about 2700 images) and in J and H bands (about 500 images in each filter). From the observed rotational modulation, induced by the presence of surface inhomogeneities, we derived the rotation periods for 16 stars and improved previous determinations for the other 13. The analysis of the spectral energy distributions and, for some stars, of high-resolution spectra provided us with the main stellar parameters (luminosity, effective temperature, mass, age, and vsini). We also report the serendipitous detection of two strong flares in two of these objects. In most cases, the light-curve amplitudes decrease progressively from the R to H band as expected for cool starspots, while in a few cases, they can only be modelled by the presence of hot spots, presumably ascribable to magnetospheric accretion. The application of our own spot model to the simultaneous light curves in different bands allowed us to deduce the spot parameters and particularly to disentangle the spot temperature and size effects on the observed light curves.2009A&A...508.1313Fhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/508/1313CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/ApJ/646/297 : Spitzer observations of pre-main-sequence stars (Rebull+, 2006)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/508/1313https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/508/1313http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/508/1313https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/508/1313https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/508/1313http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/508/1313GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/508/1313/table6 (Standard VRIJHK' magnitudes)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/508/1313/table6?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/508/1313/table6?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/508/1313/table6?GETtext/xml+votable180.050000true83.841-5.76902780.005555555555555556Cone search capability for table J/A+A/508/1313/table7 (Reference stars with Elodie spectra used for the spectral classification)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/508/1313/table7?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/508/1313/table7?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/508/1313/table7?GETtext/xml+votable180.050000true218.670071729.74512890.0055555555555555566/405 684 815 1033 1249 1408 1642 2549 2737 2837 3077 3258 3390 3662 4574 5304 5420 5488 5534-5535 5587 5853 6672 7101 7264 7354 8767 9083 9125 9476 9843 10375 10899 11394 11412 12464 13025 13301 13333 14180 14278 14630 15118 15174 15311 15481 15597 16023 16069 16213 17171 18139 18204 19237 19312 20071 20145 20308 21423 21438 21953 22252 22300 22807 22818 23201 23540 23695 23822 24029 24239 24374 24570 25567 25828 25846 25966 26575 26583 27374 28343 28494 28646 30176 30274 30339 30407 30440 30529 30576 31087 31751 31821 32185 32192 32554 32645 32757 40932 442847.952274030004205e-20 3.852589004194616e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/508/1313?format=asciiInfrareddefaultJ/A+A/508/1313/table6Standard VRIJHK' magnitudesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSeqIdentifier of the sourcemeta.idint2MASS2MASS Identifiermeta.id;meta.maincharVmag? V magnitudemagphot.mag;em.opt.Vfloatnullablee_Vmag? V magnitude errormagstat.error;phot.mag;em.opt.VfloatnullableRmag? R magnitudemagphot.mag;em.opt.Rfloatnullablee_Rmag? R magnitude errormagstat.error;phot.mag;em.opt.RfloatnullableImag? I magnitudemagphot.mag;em.opt.Ifloatnullablee_Imag? I magnitude errormagstat.error;phot.mag;em.opt.IfloatnullableJmagJ magnitudemagphot.mag;em.IR.Jfloate_JmagJ magnitude errormagstat.error;phot.mag;em.IR.JfloatHmagH magnitudemagphot.mag;em.IR.Hfloate_HmagH magnitude errormagstat.error;phot.mag;em.IR.HfloatKmagK magnitudemagphot.mag;em.IR.Kfloate_KmagK magnitude errormagstat.error;phot.mag;em.IR.Kfloat[3.6]? IRAC 3.6-micron magnitude (1)magphot.mag;em.IR.3-4umfloatnullable[4.5]? IRAC 4.5-micron magnitude (1)magphot.mag;em.IR.4-8umfloatnullable[5.8]? IRAC 5.8-micron magnitude (1)magphot.flux.density;em.IR.4-8umfloatnullable[8.0]? IRAC 8.0-micron magnitude (1)magphot.flux.density;em.IR.8-15umfloatnullableLCBands(s) with available light curves in subdirectory lc (2)instr.bandpasscharSimbadSimbad 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/A+A/508/1313/table7Reference stars with Elodie spectra used for the spectral classificationSimbadNameSimbad column added by the CDSmeta.idcharNameStar Namemeta.id;meta.maincharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSpTypeSpectral Typesrc.spTypecharTeffEffective temperatureKphys.temperature.effectiveintlogg? Surface gravitylog(cm.s**-2)phys.gravityfloatnullable[Fe/H]? Metallicityphys.abund.Zfloatnullable_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.main