A high-Resolution Catalog of Cometary Emission Lines

Details A high-Resolution Catalog of Cometary Emission Lines A high-Resolution Catalog of Cometary Emission Lines

Sep 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aj....112.1197b&link_type=abstract

Astronomical Journal v.112, p.1197

Astronomy and Astrophysics

Astronomy

35

Comets: General, Catalogs

Scientific paper

Using high-resolution spectra obtained with the Hamilton echelle spectrograph at Lick Observatory, we have constructed a catalog of emission lines observed in comets Swift-Tuttle and Brorsen-Metcalf. The spectra cover the range between 3800 Å and 9900 Å with a spectral resolution of λ/Δλ˜42000. In the spectra, we catalog 2997 emission lines of which we identify 2438. We find cometary lines due to H, O, C2, CN, NH2, C3, H2O+, CH, and CH+. We list 559 unidentified lines compiled from the two spectra and comment on possibilities for their origins.

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