New Wavelength Determinations of Mid‐Infrared Fine‐structure Lines byInfrared Space ObservatoryShort Wavelength Spectrometer
- 1 October 1997
- journal article
- research article
- Published by American Astronomical Society in The Astrophysical Journal
- Vol. 487 (2) , 962-966
- https://doi.org/10.1086/304649
Abstract
We report accurate new wavelengths for 29 mid-infrared ionic fine-structure lines, based on observations with the Short Wavelength Spectrometer (SWS) on board the Infrared Space Observatory (ISO). Our results originate from observations of NGC 7027, NGC 6543, NGC 6302, the Circinus galaxy, Sgr A West, and W51 IRS 2. The obtained accuracies (λ/Δλ) range from 3 × 104 to 1 × 105, depending on instrumental mode and uncertainty in radial velocities.Keywords
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