activity
20242026
collaborators

6 papers

astro-ph.CO2026

SN 2022riv in RX J2129: Discovery, Spectroscopic Classification, and Microlensing of a Strongly Lensed Type Ia Supernova from JWST and HST Observations

Birendra Dhanasingham, Patrick L. Kelly, Wenlei Chen +27

The multiply imaged SN 2022riv was discovered through a search of galaxy cluster fields as part of a Hubble Space Telescope (HST) SNAP program to find highly magnified stars. The s…

astro-ph.CO2026

The Hubble Constant from Blue Type Ia Supernovae

Christa Gall, Luca Izzo, Radoslaw Wojtak +1

There is a persistent tension of about between the value of the Hubble constant, as derived from the local distance ladder vs. the cosmic microwave background, signaling…

astro-ph.GA2025

Dust removal timescale in galaxies across cosmic time

Aleksandra Leśniewska, Jens Hjorth, Christa Gall

Understanding the evolution of dust in galaxies is crucial because it affects the dynamics and cooling of gas, star formation, and chemical evolution. Recent work on dust removal i…

astro-ph.IM2025

AAS2RTO: Automated Alert Streams to Real-Time Observations: Preparing for rapid follow-up of transient objects in the era of LSST

Aidan Sedgewick, Christa Gall, Luca Izzo +4

The upcoming Vera C. Rubin Legacy Survey of Space and Time (LSST) will discover tens of thousands of astrophysical transients per night, far outpacing available spectroscopic follo…

astro-ph.GA2024

The Fate of the Interstellar Medium in Early-type Galaxies. V. AGN Feedback from Optical Spectral Classification

Oleh Ryzhov, Michał J. Michałowski, J. Nadolny +6

Quenching of star-formation plays a fundamental role in galaxy evolution. This process occurs due to the removal of the cold interstellar medium (ISM) or stabilization against coll…

astro-ph.GA2024

Rapid Dust Formation in the Early Universe

Danial Langeroodi, Jens Hjorth, Andrea Ferrara +1

Interstellar dust links the formation of the first stars to the rocky planet we inhabit by playing a pivotal role in the cooling and fragmentation of molecular clouds, and catalyzi…