J/MNRAS/462/1444ivo://CDS.VizieR/J/MNRAS/462/1444doi:10.26093/cds/vizier.74621444CDSFroebrich D.Makin S.V.2024-08-16T20:18:10Z2018-03-22T15:10:50ZCDS support team

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

cds-question@unistra.fryoung-stellar-objectsgalaxy-planesmilky-way-galaxyinfrared-photometryWe present the analysis of 35.5deg^2^ of images in the 1-0 S(1) line of H_2_ from the UK Widefield Infrared Survey for H_2_ (UWISH2) towards Cassiopeia and Auriga. We have identified 98 Molecular Hydrogen emission-line Objects (MHOs) driven by Young Stellar Objects, 60 per cent of which are bipolar outflows and all are new discoveries. We estimate that the UWISH2-extended emission object catalogue contains fewer than 2 per cent false positives and is complete at the 95 per cent level for jets and outflows brighter than the UWISH2 detection limit. We identified reliable driving source candidates for three quarters of the detected outflows, 40 per cent of which are associated with groups and clusters of stars. The driving source candidates are 20 per cent protostars, the remainder are Classical T-Tauri Stars. We also identified 15 new star cluster candidates near MHOs in the survey area. We find that the typical outflow identified in the sample has the following characteristics: the position angles are randomly orientated; bipolar outflows are straight within a few degrees; the two lobes are slightly asymmetrical in length and brightness; the length and brightness of the lobes are not correlated; typical time gaps between major ejections of material are 1-3 kyr, hence FU-Ori or EX-Ori eruptions are most likely not the cause of these, but we suggest MNors as a possible source. Furthermore, we find that outflow lobe length distributions are statistically different from the widely used total length distributions. There are a larger than expected number of bright outflows indicating that the flux distribution does not follow a power law.2016MNRAS.462.1444Fhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/462/1444CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/MNRAS/454/2586 : UWISH2 extended H2 emission line sources (Froebrich+, 2015)J/MNRAS/421/3257 : MHO catalogue for Serpens and Aquila (Ioannidis+, 2012)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/462/1444https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/462/1444http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/462/1444https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/462/1444https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/462/1444http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/462/1444GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/462/1444/tablea1 (Summary table of the MHO properties and their respective candidate driving sources)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/462/1444/tablea1?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/462/1444/tablea1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/462/1444/tablea1?GETtext/xml+votable180.050000true60.2384153.35636610.0055555555555555566/1757-1759 1781-1783 1785 1789-1791 1834 1923 1928 1954 3157 3164 3166 3173 3175 3184 3198 32688.305533028865447e-20 1.7003137259100215e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/462/1444?format=asciiInfrareddefaultJ/MNRAS/462/1444/tablea1Summary table of the MHO properties and their respective candidate driving sourcesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintMHOMHO numbermeta.id;meta.mainintRAJ2000Right ascension (J2000)degpos.eq.ra;meta.mainDEJ2000Declination (J2000)degpos.eq.dec;meta.mainLength1? Lenght of the first outflow lobedegphys.angSizedoublenullableLength2? Lenght of the second outflow lobedegphys.angSizedoublenullablePA1? Position angle of the first outflow lobe from North over Eastdegpos.posAngfloatnullablePA2? Position angle of the second outflow lobe from North over Eastdegpos.posAngfloatnullableFlux1Integrated flux of the 1-0 S(1) line of H_2_ of the first outflow lobe or knot1e-19W.m**-2phot.fluxintFlux2? Integrated flux of the 1-0 S(1) line of H_2_ of the second outflow lobe or knot1e-19W.m**-2phot.fluxintnullableType[BSK] Type of outflow (1)meta.codecharCl[Y/N] Is the MHO associated with cluster or group of stars?meta.codecharSourceSource candidate identification (or noname or unknown)meta.id.parentcharPS? Likelihood P_S_ that source candidate is the real driving source%stat.likelihoodintnullableJmag1? UKIDSS J magnitude of the source candidate (2)magphot.mag;em.IR.JfloatnullableJmag2? 2MASS J magnitude of the source candidate (2)magphot.mag;em.IR.JfloatnullableHmag1? UKIDSS H magnitude of the source candidate (2)magphot.mag;em.IR.HfloatnullableHmag2? 2MASS H magnitude of the source candidate (2)magphot.mag;em.IR.HfloatnullableKmag1? UKIDSS K magnitude of the source candidate (2)magphot.mag;em.IR.KfloatnullableKmag2? 2MASS K magnitude of the source candidate (2)magphot.mag;em.IR.KfloatnullableW1mag? Wise W1 magnitude of the source candidatemagphot.mag;em.IR.3-4umfloatnullableW2mag? Wise W2 magnitude of the source candidatemagphot.mag;em.IR.4-8umfloatnullableW3mag? Wise W3 magnitude of the source candidatemagphot.flux.density;em.IR.8-15umfloatnullableW4mag? Wise W4 magnitude of the source candidatemagphot.flux.density;em.IR.15-30umfloatnullableG[Y/N] Is the detection of the source candidate in UKIDSS ?meta.codecharT[Y/N] Is the detection of the source candidate in 2MASS ?meta.codecharW[Y/N] Is the detection of the source candidate in WISE ?meta.codecharA[Y/N] Is the detection of the source candidate in AKARI ?meta.codecharI[Y/N] Is the detection of the source candidate in IRAS ?meta.codechar