J/ApJ/862/25ivo://CDS.VizieR/J/ApJ/862/25doi:10.26093/cds/vizier.18620025CDSJo Y.-S.Seon K.-I.Shinn J.-H.Yang Y.Lee D.Min K.-W.2019-08-26T07:29:49Z2019-08-14T15:21:12ZCDS support team

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

cds-question@unistra.frgalaxiesultraviolet-astronomyvisible-astronomyinterstellar-mediumWe compare vertical profiles of the extraplanar H{alpha} emission to those of the UV emission for 38 nearby edge-on late-type galaxies. It is found that detection of the "diffuse" extraplanar dust (eDust), traced by the vertically extended, scattered UV starlight, always coincides with the presence of the extraplanar H{alpha} emission. A strong correlation between the scale heights of the extraplanar H{alpha} and UV emissions is also found; the scale height at H{alpha} is found to be ~0.74 of the scale height at FUV. Our results may indicate the multiphase nature of the diffuse ionized gas and dust in the galactic halos. The existence of eDust in galaxies where the extraplanar H{alpha} emission is detected suggests that a larger portion of the extraplanar H{alpha} emission than that predicted in previous studies may be caused by H{alpha} photons that originate from HII regions in the galactic plane and are subsequently scattered by the eDust. This possibility raise an advantage in studying the extraplanar diffuse ionized gas. We also find that the scale heights of the extraplanar emissions normalized to the galaxy size correlate well with the star formation rate surface density of the galaxies. The properties of eDust in our galaxies is on a continuation line of that found through previous observations of the extraplanar polycyclic aromatic hydrocarbons emission in more active galaxies known to have galactic winds.2018ApJ...862...25Jhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/862/25CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toVII/109 : IRAS Observations of Large Optical Galaxies (Rice+, 1988)VII/141 : Spectrophotometric Atlas of Galaxies (Kennicutt Jr. 1992)II/312 : GALEX-DR5 (GR5) sources from AIS and MIS (Bianchi+ 2011)II/335 : Revised cat. of GALEX UV sources (GUVcat_AIS GR6+7) (Bianchi+ 2017)J/A+A/414/23 : CCD H{alpha} and R photometry of 334 galaxies (James+, 2004)J/ApJS/165/307 : Survey for ionization in neutral gas gal. I. (Meurer+, 2006)J/ApJS/178/247 : H{alpha} and [NII] survey in local 11 Mpc (Kennicutt+, 2008)J/ApJ/703/517 : The Spitzer Local Volume Legacy: IR photometry (Dale+, 2009)J/ApJS/190/233 : Spectroscopy & abundances of SINGS galaxies (Moustakas+, 2010)J/A+A/545/A16 : Halpha3. Catalog and SFR in Virgo cluster (Gavazzi+, 2012)http://www.astro.ljmu.ac.uk/HaGS/fits/index.html : H{alpha}GS FITS imageshttp://irsa.ipac.caltech.edu/data/SPITZER/SINGS/ : SINGS Spitzer and Ancillaryhttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/862/25https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/862/25http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/862/25https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/862/25https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/862/25http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/862/25GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/862/25/sample (Galaxy scale heights (tables 1 and 2))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/862/25/sample?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/862/25/sample?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/862/25/sample?GETtext/xml+votable180.050000true355.9412-31.95690.0055555555555555566/559 2130 2409 4447 5203 5504 6604 8492 10490 10761 10841 10847 10888 10941 11030 16519 18013 26432 26814 27064 27736 27763 27767 27926 28087 28184 28608 33655 33656 34335 34341 45305 45462 45777 45914 46477 46545https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/862/25?format=asciiUVOpticaldefaultJ/ApJ/862/25/sampleGalaxy scale heights (tables 1 and 2)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSeq[1/38] Running index numbermeta.idintNameGalaxy name taken from NEDmeta.id;meta.maincharMorphGalaxy morphologysrc.morphcharGLON[10.7/357.8] Galactic longitudedegpos.galactic.lonGLAT[-74.6/84.3] Galactic latitudedegpos.galactic.latDist[4.1/26.9] Average value of the redshift-independent distances from NEDpcpos.distancefloatDmaj[1.3/19.4] Major axis diameter in arcminarcminphys.angSizefloatD25[3.7/47.3] Major axis diameter in kpc calculated using col. Dist and Dmagkpcpos.distancefloatLHa[0.1/11.5]? Integrated H{alpha} luminosity from reference papers (x10^40^erg/s)1e+33Wphys.luminosity;em.line.HalphafloatnullableSFH-Ha[0.01/1]? Star formation rate based on the H{alpha} luminositysolMass/yrphys.SFRfloatnullableSFH-FIR[0.0009/1.6] Star formation rate estimated using the FIR luminositysolMass/yrphys.SFRfloatRefReference papers (1)meta.ref;pos.frameGroupGroup (2)meta.codecharZHa[0.1/1.4] Scale height, H{alpha}kpcpos.cartesian.z;pos.galactic;em.line.Halphafloate_ZHa[0.002/0.3] Uncertainty in ZHakpcstat.errorfloatZFUV[0.1/2.035] Scale height, FUVkpcpos.cartesian.z;pos.galactic;em.UVfloate_ZFUV[0.004/0.5] Uncertainty in ZFUVkpcstat.errorfloatZNUV[0.1/2] Scale height, NUVkpcpos.cartesian.z;pos.galactic;em.UVfloate_ZNUV[0.007/0.5] Uncertainty in ZNUVkpcstat.errorfloatSimbadSimbad column added by the CDSmeta.ref.urlcharNEDNED column added by the CDSmeta.ref.urlcharLEDAmeta.ref.urlchar_RA.icrsRight ascension (ICRS) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services)degpos.eq.ranullableindexed_DE.icrsDeclination (ICRS) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services)degpos.eq.decnullableindexed