J/AJ/164/106ivo://CDS.VizieR/J/AJ/164/106doi:10.26093/cds/vizier.51640106CDSLinsky J.L.Redfield S.Ryder D.Chasan-Taber A.2022-12-09T13:03:43Z2022-12-02T07:18:04ZCDS support team

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

cds-question@unistra.frinterstellar-mediummagnetic-fieldsultraviolet-astronomyAnalysis of interstellar absorption lines observed in high-resolution Hubble Space Telescope spectra of nearby stars provides temperatures, turbulent velocities, and kinetic properties of warm interstellar clouds. A new analysis of 97 interstellar-velocity components reveals a wide range of temperatures and turbulent velocities within the Local Interstellar Cloud (LIC) and the nearby Cluster of Interstellar Clouds (CLIC). These variations appear to be random with Gaussian distributions. We find no trends of these properties with stellar distance or angles from the Galactic Center, magnetic field, the main source of extreme-UV radiation (the star {epsilon}CMa), the center of the LIC, or the direction of inflowing interstellar matter into the heliosphere. The spatial scale for temperature variations in the LIC is likely smaller than 5100au, a distance that the Sun will traverse in 1000yr. Essentially all velocity components align with known warm clouds. We find that within 4pc of the Sun, space is completely filled with partially ionized clouds, but at larger distances space is only partially filled with partially ionized clouds. We find that the neutral hydrogen number density in the LIC and likely other warm clouds in the CLIC is about 0.10/cm^3^ rather than the 0.20/cm^3^ density that may be representative of only the immediate environment of the LIC. The ~<3000-12000K temperature range for the gas is wider than the predictions of thermal equilibrium theoretical models of the warm neutral medium and warm ionized medium, and the high degree of inhomogeneity within clouds argues against simple theoretical models.2022AJ....164..106Lhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/164/106CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/A+A/629/A139 : Closest stars to the Sun within 50pc catalog (Torres+, 2019)http://doi.org/10.17909/gabn-m136 : MAST information about DOI 10.17909https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/164/106https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/164/106http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/164/106https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/164/106https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/164/106http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/164/106GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/164/106/tablea1 (Parameters for all available sight lines within 100pc)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/164/106/tablea1?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/164/106/tablea1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/164/106/tablea1?GETtext/xml+votable180.050000true219.8548-60.86640.0055555555555555566/311 1032 1504 1875 1890 2127 2472 2737 3005 4444 4591 5413 5420 6219 6241 7264 7610 7761 8790 9835 10386 11080 11126 11473 11856 12592 12644 13301 13743 13778 14266 16220 16834 17425 17790 20178 20327-20328 20701 20940 22289 22300 22309 22616 22708 22813 23191 23197 23230 23538-23540 24151 24924 25444 27574 28026 28149 28696 29196 30542 30833 31191 31751 31781 32335 33849 34181 34468 36664 36693 36697 38095 39692 40784 40892 41763 42652 44220 44669 45472 45564 45669 46566 47353 47589 48163 48274 48572 48652https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/164/106?format=asciiUVdefaultJ/AJ/164/106/tablea1Parameters for all available sight lines within 100pcrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintIDCatalog numbers (1)meta.idcharNameStar namemeta.id;meta.maincharCloudInterstellar cloud (2)meta.id.parentcharl_Tc[<] Limit flag on Tbmeta.code.errorcharTc[0/27500]? Cloud temperatureKphys.temperaturefloatnullablee_Tc[230/9100]? Error for TcKstat.errorfloatnullableVt[0/5.76]? Turbulent velocity for cloudkm/sphys.veloc.microTurbfloatnullablee_Vt[0.05/4]? Error in Tvkm/sstat.errorfloatnullablelogHI[16.1/18.8] log, neutral hydrogen column density through cloudphys.columnDensityfloatSimbadNameSimbad column added by the CDSmeta.idcharnullable_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.decnullableindexedDist[1.3/94.2] Distance to starpcpos.distancefloatGLON[5.1/358.3] Galactic longitudedegpos.galactic.lonGLAT[-80.7/89.6] Galactic latitudedegpos.galactic.lat