J/A+A/577/A26ivo://CDS.VizieR/J/A+A/577/A26doi:10.26093/cds/vizier.35770026CDSGeier S.Kupfer T.Heber U.Schaffenroth V.Barlow B.N.Oestensen R.H.,O'Toole S.J.Ziegerer E.Heuser C.Maxted P.F.L.Gaensicke B.T.,Marsh T.R.Napiwotzki R.Bruenner P.Schindewolf M.Niederhofer F.2017-12-15T10:55:34Z2015-04-24T07:35:17ZCDS support team

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

cds-question@unistra.frradial-velocityThe project Massive Unseen Companions to Hot Faint Underluminous Stars from SDSS (MUCHFUSS) aims to find sdBs with compact companions such as massive white dwarfs, neutron stars, or black holes. Here we provide classifications, atmospheric parameters, and a complete radial velocity (RV) catalogue containing 1914 single measurements for a sample of 177 hot subluminous stars discovered based on SDSS DR7; 110 stars show significant RV variability, while 67 qualify as candidates. We constrain the fraction of close massive compact companions of hydrogen-rich hot subdwarfs in our sample to be smaller than 1.3%, which is already close to the theoretical predictions. However, the sample might still contain such binaries with longer periods exceeding 8d. We detect a mismatch between the {Delta}RV_max_-distribution of the sdB and the more evolved sdOB and sdO stars, which challenges our understanding of their evolutionary connection. Furthermore, irregular RV variations of unknown origin with amplitudes of up to 180km/s on timescales of years, days, and even hours have been detected in some He-sdO stars. They might be connected to irregular photometric variations in some cases.2015A&A...577A..26Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/577/A26CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/530/A28 : Priority targets for the MUCHFUSS project (Geier+, 2011)J/A+A/559/A35 : FBS 0117+396 pulsating sdB star photometry (Ostensen+, 2013)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/577/A26https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/577/A26http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/577/A26https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/577/A26https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/577/A26http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/577/A26GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/577/A26/stars (Parameters of 139 hydrogen-rich hot subdwarfs (table3), 25 helium-rich hot subdwarfs (table4), 13 other types of hot stars (table5), and 19 stars with non-significant velocity variations (tableA1))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/577/A26/stars?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/577/A26/stars?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/577/A26/stars?GETtext/xml+votable180.050000true125.883708311.61163890.0055555555555555566/64 547 1012 2042 2302 2641 4150 4304-4305 4308 4406 4476 4613 4624-4625 4746 4760 5270 5289 5436 5474 5480 5639 5823 5836 5865 6103 6129-6130 6151 6270 6295 6365 6457 6613 6655 6708 6710 6738 7170 7412 7557 8308 8331 8388 8412 8426 8466 8493 8521 8539 8579 8589 8592 8614 8668 8707 8977 9040 9222 9260 9269 9328 9338 9424 9436 9594 9605 9792 9988 10024 10094 10182 10191 10308 10315 10418 10657 10872 10914 11294 11354 11359 11969 12390 12484 12522 12526 12538 12562 12817-12818 12821 13564 13767 13799 13904 14573-14574 14911 14993-14994 15348 16033 16278 17253 18003 18027 18063 18546 18949 19052 19111 19270 19382 19387 19647 20154 21597 21769 21781 21867 22363 23206 25531 25956 26015 26193 26215 26564 26959 27001 27036 27061 27236 27287 27317 27352 27409 27478 27496 27823 27895 28142 28264 28420 28580 28646 30043 30045 31138 31341 31372 31393 31445 31530 31609 31617 31619-31620 31669 31694 31732 31882 31904 31907 32098 32397 32409 32486 32507 32530-32531 32553 32557 32644 32650 32672 32691 32696 32700 48889 48894 49077 49079 49122 49129https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/577/A26?format=asciiOpticaldefaultJ/A+A/577/A26/starsParameters of 139 hydrogen-rich hot subdwarfs (table3), 25 helium-rich hot subdwarfs (table4), 13 other types of hot stars (table5), and 19 stars with non-significant velocity variations (tableA1)_DEPositions from name (declination part)degpos.eq.dec;meta.mainrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintTSimbad column added by the CDSmeta.id;meta.datasetcharNameSDSS name (JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharprimaryr_Name[a-k] Origin of atmospheric parameterp (1)meta.ref;pos.framecharn_Name[*] * indicates solved binaries (2)meta.notecharClassClassificationsrc.spTypecharVmagV magnitudemagphot.mag;em.opt.VfloatTeff[15100/100000]? Effective temperatureKphys.temperature.effectiveintnullableE_Teff? Error on Teff (upper value)Kstat.error;stat.maxintnullablee_Teff? Error on Teff (upper value)Kstat.error;phys.temperature.effectiveintnullablelogg[4/6.5]? Surface gravitylog(cm.s**-1)phys.gravityfloatnullablee_logg[0.01/0.4]? rms uncertainty on logglog(cm.s**-1)stat.errorfloatnullablel_logyLimit flag on logymeta.code.error;pos.cartesian.ycharlogy[-4/2]? He-enrichmentphys.abundfloatnullablee_logy[0.1/0.9]? rms uncertainty on logystat.error;pos.cartesian.yfloatnullabled[1.2/52]? Distancekpcpos.distance;pos.heliocentricfloatnullableE_d? Error on distance (upper value)kpcstat.error;stat.maxfloatnullablee_d? Error on distance (lower value)kpcstat.errorfloatnullableDtTimespan between the two epochs used for DRVmaxdinstr.setupdoubleDRVmax[20/361] Maximum radial velocity shiftkm/ssrc.var.amplitudefloate_DRVmaxAverage 1{sigma} uncertainty on the two corresponding measurements of DRVmaxkm/sstat.errorfloatNvSimbad column added by the CDSmeta.numberintnullableVCplot of radial velocities (if 4 or more measures)meta.ref.urlcharN[2/59] Number of radial velocity measurementsmeta.numberintl_logpLimit flag on logpmeta.code.errorcharlogp[-681/-0.2] False-detection probabilitystat.fit.goodnessfloatSloanDisplay the SDSS data for this starmeta.ref.urlchar_RAPositions from name (right ascension part)degpos.eq.ra;meta.mainJ/A+A/577/A26/rvRadial velocities and epochs for 177 starsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameSDSS name (JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharHJDMid-exposure heliocentric Julian datedtime.epochdoubleRVHeliocentric corrected radial velocitykm/sspect.dopplerVeloc;pos.heliocentricfloate_RVUncertainty of radial velocitykm/sstat.errorfloatInstSpectrograph used to obtain datameta.id;instrchar