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ALMA detection of [OIII] 88um at z=12.33: Exploring the Nature and Evolution of GHZ2 as a Massive Compact Stellar System
Jorge A. Zavala, Tom Bakx, Ikki Mitsuhashi +21
We present ALMA observations on the high-redshift galaxy GHZ2 and report a successful detection of the rest-frame 88um atomic transition from doubly-ionized Oxygen at z=12.3327+/-0…
Mapping the Hubble Flow from z0 to z7.5 with HII Galaxies
Ricardo Chávez, Roberto Terlevich, Elena Terlevich +7
Over twenty years ago, Type Ia Supernovae (SNIa) observations revealed an accelerating Universe expansion, suggesting a significant dark energy presence, often modelled as a cosmol…
Physical properties of circumnuclear ionising clusters. III. Kinematics of gas and stars in NGC 7742
S. Zamora, A. I. Díaz, Roberto Terlevich +2
In this third paper of a series, we study the kinematics of the ionised gas and stars, calculating the dynamical masses of the circumnuclear star-forming regions in the ring of of…
A luminous and young galaxy at z=12.33 revealed by a JWST/MIRI detection of Hα and [OIII]
Jorge A. Zavala, Marco Castellano, Hollis B. Akins +37
The James Webb Space Telescope (JWST) has discovered a surprising population of bright galaxies in the very early universe (<500 Myrs after the Big Bang) that is hard to explain wi…