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<ri:Resource created="1999-02-27T12:02:45Z" status="active" updated="2025-06-13T15:25:00Z" version="1.2" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd" xsi:type="vs:CatalogService"><title>M dwarfs model photospheres. II.</title><shortName>J/A+AS/109/263</shortName><identifier>ivo://CDS.VizieR/J/A+AS/109/263</identifier><curation><publisher ivo-id="ivo://CDS">CDS</publisher><creator><name>BRETT J.M.</name></creator><date role="Updated">1999-02-27T11:02:52Z</date><date role="Created">1999-02-27T12:02:45Z</date><contact><name>CDS support team</name><address>CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France</address><email>cds-question@unistra.fr</email></contact></curation><content><subject>dwarf-stars</subject><subject>m-stars</subject><subject>astronomical-models</subject><subject>stellar-atmospheres</subject><description>We present a table of new "classical" model photospheres for M dwarfs computed with an extensive set of atomic and molecular opacities treated with the accurate and realistic opacity sampling technique. 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Should Not be used for identification.</description><ucd>meta.record</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>Teff</name><description>Effective temperature</description><unit>K</unit><ucd>phys.temperature.effective</ucd><dataType xsi:type="vs:VOTableType">int</dataType></column><column><name>logg</name><description>Surface gravity</description><unit>log(cm.s**-2)</unit><ucd>phys.gravity</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>log(z)</name><description>Metal abundance (given as a decimal logarithmic value relative to the solar abundance)</description><unit>log(Sun)</unit><ucd>phys.abund.Z</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>tau(R)</name><description>Rosseland optical depth</description><ucd>phys.absorption.opticalDepth</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>log(ChiR)</name><description>Rosseland mean opacity</description><unit>log(cm**2.g**-1)</unit><ucd>phys.absorption.coeff</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>Tgas</name><description>Gas temperature</description><unit>K</unit><ucd>phys.temperature</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>log(Pg)</name><description>Gas pressure</description><unit>log(10Pa)</unit><ucd>phys.pressure</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>log(Pe)</name><description>Electron pressure</description><unit>log(10Pa)</unit><ucd>phys.pressure</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>log(Rho)</name><description>Density</description><unit>log(g.cm**-3)</unit><ucd>phys.density</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>log(Grad(ad))</name><description>Adiabatic temperature gradient</description><unit>log(K.cm**-1)</unit><ucd>arith.grad;phys.temperature</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column><column><name>F(conv)</name><description>Fraction of the convective to total flux</description><ucd>phot.flux;arith.ratio</ucd><dataType xsi:type="vs:VOTableType">float</dataType></column></table></schema></tableset></ri:Resource>