J/MNRAS/486/3473ivo://CDS.VizieR/J/MNRAS/486/3473doi:10.26093/cds/vizier.74863473CDSSung H.Bessell M.S.Song I.2024-08-19T20:18:18Z2022-12-09T13:13:27ZCDS support team

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

cds-question@unistra.frstar-forming-regionspre-main-sequence-starsvisible-astronomyastrometryapparent-magnitudetrigonometric-parallaxproper-motionsmolecular-cloudsWe present optical photometric, spectroscopic data for the stars in the high Galactic latitude molecular cloud MBM 110. For the complete membership selection of MBM 110, we also analyse Wide-field Infrared Survey Explorer (WISE) mid-infrared data and Gaia astrometric data. Membership of individual stars is critically evaluated using the data mentioned above. The Gaia parallax of stars in MBM 110 is 2.667+/-0.095mas (d=375+/-13pc), which confirms that MBM 110 is a small star-forming region in the Orion-Eridanus superbubble. The age of MBM 110 is between 1.9 and 3.1Myr depending on the adopted pre-main-sequence evolution model. The total stellar mass of MBM 110 is between 16M_{sun}_ (members only) and 23M_{sun}_ (including probable members). The star formation efficiency is estimated to be about 1.4 per cent. We discuss the importance of such small star formation regions in the context of the global star formation rate and suggest that a galaxy's star formation rate calculated from the H{alpha} luminosity may underestimate the actual star formation rate. We also confirm a young brown dwarf member based on photometry, spectroscopy, and astrometry.2019MNRAS.486.3473Shttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/486/3473CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toI/345 : Gaia DR2 (Gaia Collaboration, 2018)J/MNRAS/438/1451 : SOS II. UBVIH{alpha} photometry of IC 1848 (Lim+, 2014)J/MNRAS/443/454 : SOS III. UBVIH{alpha} photometry in NGC 1893 (Lim+, 2014)J/AJ/149/127 : SOS IV. NGC 1624 and NGC 1931 (Lim+, 2015)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/486/3473https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/486/3473http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/486/3473https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/486/3473https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/486/3473http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/486/3473GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/486/3473/table3 (Photometric data from SSO 1m WFI observation)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/486/3473/table3?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/486/3473/table3?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/486/3473/table3?GETtext/xml+votable180.050000true79.5495-5.69197220.005555555555555556Cone search capability for table J/MNRAS/486/3473/table4 (Photometric data from MAO observations)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/486/3473/table4?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/486/3473/table4?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/486/3473/table4?GETtext/xml+votable180.050000true80.0100833-5.76786110.0055555555555555566/22791 22797 22802 228081.9821045660507152e-19 3.852589004194616e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/486/3473?format=asciiOpticaldefaultJ/MNRAS/486/3473/table3Photometric data from SSO 1m WFI observationMembMembership (1)meta.code.membercharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintMoreIndicates membership selectionmeta.ref.urlcharWFIWFI star ID (NNNN)meta.id;meta.mainintprimaryRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainImagMagnitude on the I-bandmagphot.mag;em.opt.Ifloate_ImagError on Imagmagstat.error;phot.magfloato_ImagNumber of observations used to obtain Imagmeta.numberintR-I? R-I colour indexmagphot.color;em.opt.R;em.opt.Ifloatnullablee_R-I? Error on R-Imagstat.error;phot.color;em.opt.Rfloatnullableo_R-INumber of observations used to obtain R-Imeta.numberintV-I? V-I colour indexmagphot.color;em.opt.V;em.opt.Ifloatnullablee_V-I? Error on V-Imagstat.error;phot.color;em.opt.Vfloatnullableo_V-INumber of observations used to obtain V-Imeta.numberintB-V? B-V colour indexmagphot.color;em.opt.B;em.opt.Vfloatnullablee_B-V? Error on B-Vmagstat.error;phot.color;em.opt.Bfloatnullableo_B-VNumber of observations used to obtain B-Vmeta.numberintR-Ha? R-H{alpha} colour indexmagphot.color;em.opt.R;em.line.Halphafloatnullablee_R-Ha? Error on R-Hamagstat.error;phot.color;em.opt.Rfloatnullableo_R-HaNumber of observations used to obtain R-Hameta.numberintOName2MASS source designation (HHMMSSSS+DDMMSSS)meta.idcharRemarksRemarks (2)meta.notecharJ/MNRAS/486/3473/table4Photometric data from MAO observationsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainVmagMagnitude on the V-bandmagphot.mag;em.opt.Vfloate_VmagError on Vmagmagstat.error;phot.magfloato_VmagNumber of observations used to obtain Vmagmeta.numberintR-I? R-I colour indexmagphot.color;em.opt.R;em.opt.Ifloatnullablee_R-I? Error on R-Imagstat.error;phot.color;em.opt.Rfloatnullableo_R-INumber of observations used to obtain R-Imeta.numberintV-I? V-I colour indexmagphot.color;em.opt.V;em.opt.Ifloatnullablee_V-I? Error on V-Imagstat.error;phot.color;em.opt.Vfloatnullableo_V-INumber of observations used to obtain V-Imeta.numberintB-V? B-V colour indexmagphot.color;em.opt.B;em.opt.Vfloatnullablee_B-V? Error on B-Vmagstat.error;phot.color;em.opt.Bfloatnullableo_B-VNumber of observations used to obtain B-Vmeta.numberintU-B? U-B colour indexmagphot.color;em.opt.U;em.opt.Bfloatnullablee_U-B? Error on U-Bmagstat.error;phot.color;em.opt.Ufloatnullableo_U-BNumber of observations used to obtain U-Bmeta.numberintR-Ha? R-H{alpha} colour indexmagphot.color;em.opt.R;em.line.Halphafloatnullablee_R-Ha? Error on R-Hamagstat.error;phot.color;em.opt.Rfloatnullableo_R-HaNumber of observations used to obtain R-Hameta.numberintWFI? WFI star IDmeta.idintnullableMembMembership (1)meta.code.membercharWHa1? H{alpha} equivalent width 10.1nmspect.line.eqWidthfloatnullableWHa2? H{alpha} equivalent width 20.1nmspect.line.eqWidthfloatnullableNameStar name (M4kNNN)meta.id;meta.maincharJ/MNRAS/486/3473/table5Summary of membership selectionrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintWFIWFI star ID (NNNN)meta.id;meta.mainintONameAlternative name for the starmeta.idcharSSO[HNh] Membership from SSO data (1)meta.code.membercharMAO[HNh] Membership from MAO data (1)meta.code.membercharWHa1? H{alpha} equivalent width 10.1nmspect.line.eqWidthfloatnullableWHa2? H{alpha} equivalent width 20.1nmspect.line.eqWidthfloatnullablef_WLi1[*] Flag on WLi1 (2)meta.codecharWLi1? Li equivalent width 10.1nmspect.line.eqWidthfloatnullableWLi2? Li equivalent width 20.1nmspect.line.eqWidthfloatnullablee_WLi1? Error on WLi 10.1nmstat.errorfloatnullableSpTypeSpectral typesrc.spTypecharYSOclassYSO classification (3)src.classcharplx? Parallaxmaspos.parallax.trigfloatnullablee_plx? Error on parallaxmasstat.error;pos.parallaxfloatnullableMembpm[YN] MBM 110 membership from proper motion (4)meta.code.membercharruwe? Gaia DR2 renormalized unit weight errormeta.code.qualfloatnullableMemb[YNP] MBM 110 Membership (4)meta.code.membercharRemarkRemarks (5)meta.notechar