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2023RNAAS...7...38W - Research Notes of the AAS, 7, 38 (2023/March-0)
JWST-MIRI Synthetic Photometry Composition using 460 Spitzer-IRS Spectra of Nearby Galaxies.
WHITCOMB C.M., SANDSTROM K. and SMITH J.-D.T.
Abstract (from CDS):
We use extragalactic Spitzer-InfraRed Spectrograph (IRS) spectroscopy to determine the polycyclic aromatic hydrocarbon band, emission line, and stellar and dust continuum contributions to the James Webb Space Telescope (JWST)-Mid-InfraRed Instrument (MIRI) photometric filters, F560W through F1280W, appropriate for z ∼ 0 star-forming galaxies. Our data set consists of 460 IRS-SL spectra from 5.25 to 14.8 μm. Of these, 340 are from large radial strips that sample a wide range of environments across three nearby galaxies. We also include 120 spectra from the Spitzer Infrared Nearby Galaxy Survey that are centered on the brightest star-forming regions in 46 nearby galaxies. This large compilation of extragalactic mid-infrared spectra facilitates the interpretation of future work with JWST-MIRI photometry of galaxies.
Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.
Journal keyword(s): Polycyclic aromatic hydrocarbons - Dust continuum emission - Infrared spectroscopy - Infrared photometry
Simbad objects: 3
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