Spitzer Observations of Planetary Nebulae
You-Hua Chu (U of Illinois)
TL;DR
This paper reviews how the Spitzer Space Telescope's imaging and spectroscopic data have advanced the study of planetary nebulae, revealing details about their atomic, molecular, and dust components.
Contribution
It provides a comprehensive overview of Spitzer observations of planetary nebulae, highlighting new insights gained from imaging and spectroscopy.
Findings
Detection of atomic and molecular line emissions.
Characterization of dust continuum and circumstellar dust disks.
Enhanced understanding of planetary nebulae composition and structure.
Abstract
The Spitzer Space Telescope has three science instruments (IRAC, MIPS, and IRS) that can take images at 3.6, 4.5, 5.8, 8.0, 24, 70, and 160 microns, spectra over 5--38 microns, and spectral energy distribution over 52--100 microns. The Spitzer archive contains targeted imaging observations for more than 100 PNe. Spitzer legacy surveys, particularly the GLIMPSE survey of the Galactic plane, contain additional serendipitous imaging observations of PNe. Spitzer imaging and spectroscopic observations of PNe allow us to investigate atomic/molecular line emission and dust continuum from the nebulae as well as circumstellar dust disks around the central stars. Highlights of Spitzer observations of PNe are reviewed in this paper.
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