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astro-ph.GA2026
A redshift of z=3.20 for the bright arc in eMACSJ2229.9-0808: Comment on Wagner & Falco (2026) "Hamilton's Object revisited: A challenging source redshift of a strong lensing configuration"
Ian Smail, Johan Richard, Harald Ebeling +1
We re-analyse near-infrared and optical spectroscopy from the Subaru, Gemini, and Keck telescopes of the bright gravitational arc seen in the z=0.62 X-ray cluster eMACSJ2229.9-0808…
astro-ph.GA2024
A complex node of the cosmic web associated with the massive galaxy cluster MACS J0600.1-2008
Lukas J. Furtak, Adi Zitrin, Johan P. Richard +18
MACS J0600.1-2008 (MACS0600) is an X-ray luminous, massive galaxy cluster at , studied previously by the REionization LensIng Cluster Survey (RELICS) and ALMA…