Parameterized Asymmetric Neutral Hydrogen Disk Integrated Spectrum Characterization (PANDISC). I. Introduction to a Physically Motivated H i Model

Parameterized Asymmetric Neutral Hydrogen Disk Integrated Spectrum Characterization (PANDISC). I. Introduction to a Physically Motivated H i Model

Modeling the integrated H i spectra of galaxies has been a difficult task, due to their diverse shapes, but more dynamical information is waiting to be explored in H i line profiles. Based on simple assumptions, we construct a physically motivated model for the integrated H i spectra: Parameterized...

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Bibliographic Details
Main Authors: Bo Peng, Martha P. Haynes, Catie J. Ball, Michael G. Jones
Format: Article
Language:English
Published: IOP Publishing 2023-01-01
Series:The Astrophysical Journal
Subjects:
H I line emission
Astronomy data analysis
Galaxy dynamics
Galaxy rotation
Online Access:https://doi.org/10.3847/1538-4357/accb51

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