Kinematically cold and warm planetary nebulae samples, HII regions and supernovae remnants in the disc of the face-on spiral galaxy NGC 628 (M74) - the Planetary Nebulae Spectrograph with the Hα arm

IntroductionWe present the results from the observations of the galaxy NGC 628 with the Planetary Nebulae Spectrograph (PN.S) equipped with the Hα arm. With the third PN.S arm, the Hα arm, we measure the Hα fluxes, in addition to fluxes and line-of-sight velocities (LOSV) of monochromatic, spatially...

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Hlavní autoři:	Magda Arnaboldi, Ortwin Gerhard, Surya Aniyan, Kenneth C. Freeman, Anastasia Ponomareva, Lodovico Coccato, Johanna Hartke, Steven P. Bamford, Arianna Cortesi, Nigel Douglas, Crescenzo Tortora, Michael Merrifield, Konrad Kuijken, Massimo Capaccioli, Nicola R. Napolitano, Claudia Pulsoni, Aaron J. Romanowsky
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	Frontiers Media S.A. 2026-05-01
Edice:	Frontiers in Astronomy and Space Sciences
Témata:	galaxies: individual NGC 628 hii regions instrumentation: the Planetary Nebulae Spectrograph (PN.S) ISM planetary nebulae kinematic and dynamics
On-line přístup:	https://www.frontiersin.org/articles/10.3389/fspas.2026.1685303/full
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