collaborators

5 papers

astro-ph.GA2026

The DECam MAGIC Survey: Uncovering the Tidal Tails of the Crater II Dwarf Galaxy

Kaia R. Atzberger, Andrew B. Pace, Nitya Kallivayalil +27

Crater II (CraII), a large and low-density dwarf spheroidal galaxy, has unusual observed properties that are difficult to reproduce in cold dark matter simulations. Ongoing tidal d…

astro-ph.GA2026

The DECam MAGIC Survey Mapping the Ancient Galaxy in CaHK: Overview and Summary of Early Science

A. Chiti, A. Drlica-Wagner, A. B. Pace +42

We present the DECam Mapping the Ancient Galaxy in CaHK (MAGIC) survey, a 54-night NOIRLab Survey Program to image 5,000deg of the southern hemisphere using a meta…

astro-ph.GA2026

A second-generation star in a relic dwarf galaxy

Anirudh Chiti, Vinicius M. Placco, Andrew B. Pace +22

Stars that contain only trace amounts of elements heavier than helium, referred to as having low "metallicity", preserve the chemical fingerprints of the first generation of stars…

astro-ph.GA2025

DELVE-DEEP Survey: The Faint Satellite System of NGC 55

Jonah Medoff, Burçin Mutlu-Pakdil, Jeffrey L. Carlin +24

We report the first comprehensive census of the satellite dwarf galaxies around NGC 55 ( Mpc) as a part of the DECam Local Volume Exploration DEEP (DELVE-DEEP) survey. NGC 55…

astro-ph.CO2025

The Spectroscopic Stage-5 Experiment

Robert Besuner, Arjun Dey, Alex Drlica-Wagner +106

The existence, properties, and dynamics of the dark sectors of our universe pose fundamental challenges to our current model of physics, and large-scale astronomical surveys may be…