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astro-ph.GA2025
The Redshifts from 122 Bands: Comparative Redshift Forecast for Low-Resolution Spectra from SPHEREx and 7-Dimensional Sky Survey (7DS)
Jangho Bae, Bomee Lee, Myungshin Im +21
The recently initiated SPHEREx and 7DS surveys will deliver low-resolution spectra () for hundreds of millions of galaxies over the optical to near-infrared range…
astro-ph.GA2025
Possibility of using 3.3m PAH luminosity as a molecular gas mass estimator
Hyunjin Shim, Junhyun Baek, Dohyeong Kim +12
We present CO(1-0) observations of 50 star-forming galaxies at 0.01<z<0.35, for which 3.3m PAH emission flux or its upper limit is available. A scaling relation between 3.3$\,…
astro-ph.GA2025
Resolved Stellar Mass Estimation of Nearby Late-type Galaxies for the SPHEREx Era: Dependence on Stellar Population Synthesis Models
Jeong Hwan Lee, Minjin Kim, Taehyun Kim +7
The upcoming all-sky infrared spectrophotometric SPHEREx mission is set to provide spatially resolved stellar mass maps of nearby galaxies, offering more detailed insights than int…