Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008apj...672..722s&link_type=abstract
The Astrophysical Journal, Volume 672, Issue 1, pp. 722-725.
Astronomy and Astrophysics
Astronomy
2
Molecular Data, Stars: Chemically Peculiar
Scientific paper
The visible electronic spectrum of the nickel hydride B2Δ5/2-X2Δ5/2(1,0) and A2Δ5/2-X2Δ5/2(1,0) transitions have been recorded with rotational resolution by intracavity laser absorption spectroscopy. The gas-phase NiH molecules were produced in an electric discharge using a nickel hollow cathode in a pure hydrogen atmosphere at 2-3 torr total pressure. Peak positions for NiH isotopologues are presented for both the transitions. 58NiH and 60NiH have been observed in sunspots and attempts to observe NiH in stellar spectra are underway.
Nunn Joshua
O'Brien James J.
O'Brien Leah C.
Shaji Sadasivan
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