Water maser surveyJ/AJ/132/1322ivo://CDS.VizieR/J/AJ/132/1322doi:10.26093/cds/vizier.51321322CDSGomez J.F.De Gregorio-Monsalvo I.Suarez O.Kuiper T.B.H.2017-12-07T07:27:18Z2008-06-21T16:24:31ZCDS support team
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
cds-question@unistra.frsurveysastrophysical-masersradio-astronomyinfrared-sourcesWe report on the most sensitive water maser survey toward Bok globules to date, performed using NASA's 70m antenna at Robledo de Chavela (Spain). We observed 207 positions within the Clemens and Barvainis catalog with a higher probability of harboring a young star, using as selection criteria the presence of radio continuum emission (from submillimeter to centimeter wavelengths), geometric centers of molecular outflows, peaks in maps of high-density gas tracers (NH3 or CS), and IRAS point sources. We have obtained seven maser detections, six of which (in CB 34, CB 54, CB 65, CB 101, CB 199, and CB 232) are reported for the first time here. Most of the water masers we detected are likely to be associated with young stellar objects (YSOs), except for CB 101 (probably an evolved object) and CB 65 (uncertain nature). The water maser in CB 199 shows a relatively high shift (30km/s) of its velocity centroid with respect to the cloud velocity, which is unusual for low-mass YSOs. We speculate that high-velocity masers in this kind of object could be related to episodes of energetic mass loss in close binaries. Alternatively, the maser in CB 199 could be pumped by a protoplanetary or a young planetary nebula. CB 232 is the smallest Bok globule (0.6pc) known to be associated with water maser emission, although it would be superseded by the cases of CB 65 (0.3pc) and CB 199 (0.5pc) if their association with YSOs is confirmed. All our selection criteria have statistically compatible detection rates, except for IRAS sources, which tend to be somewhat worse predictors for the presence of maser emission.2006AJ....132.1322Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/132/1322CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+AS/120/283 : Water maser in ultracompact HII regions (Hofner+ 1996)J/PASJ/53/517 : Water maser survey of late-type stars (Takaba+, 2001)J/ApJ/581/325 : NGC 2071 water masers (Seth+, 2002)J/ApJ/615/702 : IC 133 water vapor maser (Argon+, 2004)J/A+A/434/613 : Water maser survey of methanol maser sources (Szymczak+, 2005)J/ApJ/628/789 : IRAS03301+3057 water masers (De Gregorio-Monsalvo+, 2005)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/132/1322https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/132/1322http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/132/1322https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/132/1322https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/132/1322http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/132/1322GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/132/1322/table1 (Sources searched for water maser emission)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/132/1322/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/132/1322/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/132/1322/table1?GETtext/xml+votable180.050000true7.09166756.6941670.0055555555555555566/1074 1126 1129 1290 1847 2948 2957 2996 3330 3331 3336 3645 3730 3807 12964 12966 12984 13025 13033 13039 13912 13981 14199 14267 14330 14333 14369 14411 14461 14637 15479 15540 15649 15695 15790 15857 15860 15941 15948 20857 20859 20934 22216 22307 22814 22829 22863 22884 23005 23625 23632 23795 23798 23970 23977 24158 24515 28925 29101 29112 29163 29189 29211 29266 29349 29367 29377 29457 29532 29562 29597 29634 29655 29681 29682 29688 29884 30231 30288 30344 30349 30517 30519 30623 30663 30704 31259 31818 32068 32075 32100 39761 39912 39916 39918 39919 42992https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/132/1322?format=asciiInfraredRadiodefaultJ/AJ/132/1322/table1Sources searched for water maser emissionrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintGNameGlobule identification (G1)meta.id;meta.maincharSNameSource name (G2)meta.idcharn_SNameNote on SName (3)meta.notecharRAJ2000Hour of Right Ascension (J2000)pos.eq.ra;meta.mainDEJ2000Degree of Declination (J2000)pos.eq.dec;meta.mainIncludeIncluded source(s) (4)meta.notecharRefsReference(s) (5)meta.ref;pos.framecharSimbadNameSimbad column added by the CDSmeta.idchar
J/AJ/132/1322/refsReferencesRefReference numbermeta.id;meta.mainintBibCodeBibCodemeta.bib.bibcodecharAutAuthor's namemeta.bib.authorcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint
J/AJ/132/1322/table3Non detectionsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintGNameGlobule identification (G1)meta.id;meta.maincharSNameSource name (G2)meta.idcharVminMinimum velocity covered by bandwidthkm/sspect.dopplerVelocfloatVmaxMaximum velocity covered by bandwidthkm/sspect.dopplerVelocfloatRMSThe 1{sigma} noise levelJystat.errorfloatObs.DateDate of the observationtime.epoch;obsnullable