First JWST Observations of JAGB Stars in the SN Ia Host Galaxies: NGC 7250, NGC 4536, NGC 3972

First JWST Observations of JAGB Stars in the SN Ia Host Galaxies: NGC 7250, NGC 4536, NGC 3972

The J-region Asymptotic Giant Branch (JAGB) method is a standard candle that leverages the constant luminosities of color-selected, carbon-rich AGB stars, measured in the near-infrared at 1.2 μ m. The Chicago-Carnegie Hubble Program has obtained JWST imaging of the SN Ia host galaxies NGC 7250, NGC...

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Bibliographic Details
Main Authors: Abigail J. Lee, Wendy L. Freedman, In Sung Jang, Barry F. Madore, Kayla A. Owens
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:The Astrophysical Journal
Subjects:
Observational cosmology
Distance indicators
Asymptotic giant branch stars
Carbon stars
Galaxy distances
James Webb Space Telescope
Online Access:https://doi.org/10.3847/1538-4357/ad12c7

Internet

https://doi.org/10.3847/1538-4357/ad12c7

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