J/ApJS/207/26ivo://CDS.VizieR/J/ApJS/207/26doi:10.26093/cds/vizier.22070026CDSHinkle K.H.Wallace L.Ram R.S.Bernath P.F.Sneden C.Lucatello S.2017-06-21T08:22:24Z2013-10-07T10:35:04ZCDS support team

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

cds-question@unistra.fratomic-physicsspectroscopyUsing laboratory hollow cathode spectra we have identified lines of the less common magnesium isotopologues of MgH, ^25^MgH and ^26^MgH, in the A^2^{Pi}-X^2^{Sigma}^+^ system. Based on the previous analysis of ^24^MgH, molecular lines have been measured and molecular constants derived for ^25^MgH and ^26^MgH. Term values and linelists, in both wavenumber and wavelength units, are presented. The A^2^{Pi}-X^2^{Sigma}^+^ system of MgH is important for measuring the magnesium isotope ratios in stars.2013ApJS..207...26Hhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/207/26CatalogResearchIsServedByTAP VizieR generic servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/207/26https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/207/26http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/207/26https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/207/26https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/207/26http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/207/26GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/ApJS/207/26/table5Term values for the A^2^{Pi} state of ^25^MgHrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintv[0/3] Vibrational quantum numberphys.atmol.qn;phys.mol.vibrationintN1[0/39] Rotational quantum number for F1 valuesphys.mol.qnintJ1[0.5/39.5] Angular momentum for the F1 valuesphys.atmol.qnfloatF1e[19273/29146] The F1e term valuecm**-1phys.energy;phys.atmol.leveldoubleF1f[19273/29148] The F1f term valuecm**-1phys.energy;phys.atmol.leveldoubleN2[2/40]? Rotational quantum number for F2 valuesphys.mol.qnintnullableJ2[1.5/39.5]? J for the F2 valuesphys.atmol.qnfloatnullableF2e[19318/29533]? The F2e term valuecm**-1phys.energy;phys.atmol.leveldoublenullableF2f[19318/29530]? The F2f term valuecm**-1phys.energy;phys.atmol.leveldoublenullableJ/ApJS/207/26/table6Term values for the X^2^{Sigma}^+^ state of ^25^MgHrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintv[0/3] Vibrational quantum numberphys.atmol.qn;phys.mol.vibrationintNe[0/39] Rotational quantum number for e parityphys.mol.qnintJe[0.5/39.5] Angular momentum for e parityphys.atmol.qnfloatFe[0/9265] The e parity term valuecm**-1phys.energy;phys.atmol.leveldoubleNf[1/40] Rotational quantum number for f parityphys.mol.qnintJf[0.5/39.5] Angular momentum for f parityphys.atmol.qnfloatFf[11/9624] The f parity term valuecm**-1phys.energy;phys.atmol.leveldoubleJ/ApJS/207/26/table7Term values for the A^2^{Pi} state of ^26^MgHrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintv[0/3] Vibrational quantum numberphys.atmol.qn;phys.mol.vibrationintN1[0/39] Rotational quantum number for F1 valuesphys.mol.qnintJ1[0.5/39.5] Angular momentum for the F1 valuesphys.atmol.qnfloatF1e[19273/29146] The F1e term valuecm**-1phys.energy;phys.atmol.leveldoubleF1f[19273/29148] The F1f term valuecm**-1phys.energy;phys.atmol.leveldoubleN2[2/40]? Rotational quantum number for F2 valuesphys.mol.qnintnullableJ2[1.5/39.5]? J for the F2 valuesphys.atmol.qnfloatnullableF2e[19318/29533]? The F2e term valuecm**-1phys.energy;phys.atmol.leveldoublenullableF2f[19318/29530]? The F2f term valuecm**-1phys.energy;phys.atmol.leveldoublenullableJ/ApJS/207/26/table8Term values for the X^2^{Sigma}^+^ state of ^26^MgHrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintv[0/3] Vibrational quantum numberphys.atmol.qn;phys.mol.vibrationintNe[0/39] Rotational quantum number for e parityphys.mol.qnintJe[0.5/39.5] Angular momentum for e parityphys.atmol.qnfloatFe[0/9265] The e parity term valuecm**-1phys.energy;phys.atmol.leveldoubleNf[1/40] Rotational quantum number for f parityphys.mol.qnintJf[0.5/39.5] Angular momentum for f parityphys.atmol.qnfloatFf[11/9624] The f parity term valuecm**-1phys.energy;phys.atmol.leveldoubleJ/ApJS/207/26/linesLine positions in wavenumber and wavelengthdw26MgH? Observed - calculated ^26^MgH value (2)0.1nmstat.fit.residualfloatnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBandBand identifier (0-0, 0-1, 1-1 or 1-2)phys.atmolcharBranchBranch identifierphys.atmolN[0/39] Rotational quantum numbermeta.numberints24MgH[17784/19964] Calculated ^24^MgH line (1)cm**-1em.freqdoubleds24MgH? Observed - calculated ^24^MgH value (1)cm**-1stat.fit.residualfloatnullables25MgH[17784/19964] Calculated ^25^MgH linecm**-1em.freqdoubleds25MgH? Observed - calculated ^25^MgH valuecm**-1stat.fit.residualfloatnullables26MgH[17784/19964] Calculated ^26^MgH linecm**-1em.freqdoubledsc26MgH? Observed - calculated ^26^MgH valuecm**-1stat.fit.residualfloatnullablew24MgH[5007/5622] Calculated ^24^MgH line (2) (1)0.1nmem.wldoubledw24MgH? Observed - calculated ^24^MgH value (2) (1)0.1nmstat.fit.residualfloatnullablew25MgH[5007/5622] Calculated ^25^MgH line (2)0.1nmem.wldoubledw25MgH? Observed - calculated ^25^MgH value (2)0.1nmstat.fit.residualfloatnullablew26MgH[5007/5622] Calculated ^26^MgH line (2)0.1nmem.wldouble