Emission-Line Datacubes of the HH 32 Stellar Jet
Patrick Hartigan, Lynne Hillenbrand, Matuesz Matuszewski, Arlindo Chan, Borges, James D. Neill, D. Christopher Martin, Patrick Morrissey, Anna M., Moore

TL;DR
This study presents high-resolution emission-line datacubes of the HH 32 stellar jet, revealing detailed ionization structures and shock features, and uncovers evidence of dust vaporization in the jet's Mach disk.
Contribution
First high-resolution datacubes covering a broad spectrum of emission lines for HH 32, providing new insights into jet shock structures and dust processing.
Findings
Identification of bow shocks, Mach disks, and jet deflections.
Observation of dust vaporization in the Mach disk.
Evidence of complex excitation and shock interactions.
Abstract
We analyze datacubes of over 60 emission lines in the HH 32 stellar jet acquired with the Keck Cosmic Web Imager (KCWI). The data cover the less-explored blue portion of the spectrum between 3586A and 6351A , and have both high spectral (R 10000) and spatial ( 1" ) resolution. The study includes all three major ionization states of oxygen, three Balmer lines, multiple lines of Fe II and Fe III, as well as the first datacubes ever acquired for important unblended diagnostic lines such as He II 4686, Ca I 3933, and Mg I] 4571. The data cubes generally sort according to excitation, and have a relatively continuous progression from the highest-excitation ions (He II, O III) through the intermediate-excitation ions (O I and H I) to the lowest-excitation ions (Ca II and Mg I). Merging the KCWI cubes with HST images leads to several new insights…
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