2013ApJS..207...26H

Query : 2013ApJS..207...26H

2013ApJS..207...26H - Astrophys. J., Suppl. Ser., 207, 26 (2013/August-0)

The magnesium isotopologues of MgH in the A2Π-X2Σ+ system.

HINKLE K.H., WALLACE L., RAM R.S., BERNATH P.F., SNEDEN C. and LUCATELLO S.

Abstract (from CDS):

Using laboratory hollow cathode spectra we have identified lines of the less common magnesium isotopologues of MgH, 25MgH and 26MgH, in the A 2Π-X 2Σ+ system. Based on the previous analysis of 24MgH, molecular lines have been measured and molecular constants derived for 25MgH and 26MgH. Term values and linelists, in both wavenumber and wavelength units, are presented. The A 2Π-X 2Σ+ system of MgH is important for measuring the magnesium isotope ratios in stars. Examples of analysis using the new linelists to derive the Mg isotope ratio in a metal poor dwarf and giant are shown.

Abstract Copyright: ∼

Journal keyword(s): molecular data - stars: abundances - stars: late-type - sunspots

VizieR on-line data: <Available at CDS (J/ApJS/207/26): table5.dat table6.dat table7.dat table8.dat table9.dat table10.dat>

Simbad objects: 2

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Number of rows : 2
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 HD 25329 PM* 04 03 14.9979736362 +35 16 23.805785323 9.75 9.37 8.50 7.75 7.23 K1VbFe-2 379 0
2 * alf Boo RG* 14 15 39.67207 +19 10 56.6730 2.46 1.18 -0.05 -1.03 -1.68 K1.5IIIFe-0.5 2417 1

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