Arjun Dey
3 papers · Latest:
Galaxies & Cosmology
Constraining the Galactic bar using the M92 stellar stream
Researchers used the M92 stellar stream and DESI data to precisely measure the Milky Way bar's pattern speed, marking a novel approach for Galactic potential studies.
2605.07918
Precision Kinematic Sunyaev--Zel'dovich Measurements Across Halo Mass and Redshift with DESI DR2 and ACT DR6: Part II. Bright Galaxy Survey and Emission-Line Galaxies
This paper presents the most significant kSZ detections to date for BGS and ELG galaxies, revealing insights into circumgalactic gas and feedback mechanisms.
2604.19745
A Natural $\gtrsim 100\times$ Telescope: Discovery of the Strongly Lensed Type II SN 2025mkn at $z=1.37$
Astronomers discovered SN 2025mkn, a strongly lensed Type II supernova at z=1.37, magnified over 100 times, offering new cosmological insights.
2604.07983
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