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20242026
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Showing astro-ph.GAShow all

8 papers · 1 filter

astro-ph.GA2026

AMPM I. A Targeted Search for Asteroid Mass Primordial Black Hole Microlenses

Renee Key, Edward N. Taylor, Ken C. Freeman +5

Gravitational microlensing is a powerful technique for constraining the abundance of dark matter in asteroid mass to supermassive primordial black holes at masses of $-11 \lesssim…

astro-ph.GA2026

Everything Every Band All at Once I: A Global Morphology Catalog in Abell 2744 based on UNCOVER/MegaScience

Yunchong Zhang, Tim B. Miller, Sedona H. Price +31

We present spectrally-resolved structural parameter measurements of 28,274 sources from the legacy lensing field of Abell 2744, quantifying global structures from observed $0.7 μm…

astro-ph.GA2025

Hector Galaxy Survey: Data Processing, Quality Control and Early Science

S. Oh, M. L. P. Gunawardhana, S. M. Croom +52

The Hector Galaxy Survey is a new optical integral field spectroscopy (IFS) survey currently using the AAT to observe up to 15,000 galaxies at low redshift (). The Hector…

astro-ph.GA2025

MINERVA: A NIRCam Medium Band and MIRI Imaging Survey to Unlock the Hidden Gems of the Distant Universe

Adam Muzzin, Katherine A. Suess, Danilo Marchesini +81

We present an overview of the MINERVA survey, a 259.8 hour (prime) and 127 hour (parallel) Cycle 4 treasury program on the James Webb Space Telescope (JWST). MINERVA is obtaining 8…

astro-ph.GA2025

SALT spectroscopic follow-up of the G4Jy Sample

Sarah V. White, Kshitij Thorat, Moses Mogotsi +9

The GLEAM 4-Jy (G4Jy) Sample is a thorough compilation of the 'brightest' radio sources in the southern sky (Declination < 30 deg), as measured at 151 MHz (S > 4.0 Jy) with the Mur…

astro-ph.GA2025

WALLABY pilot survey: properties of HI-selected dark sources and low surface brightness galaxies

T. O'Beirne, L. Staveley-Smith, V. A. Kilborn +13

We examine the optical counterparts of the 1829 neutral hydrogen (HI) detections in three pilot fields in the Widefield ASKAP L-band Legacy All-sky Blind surveY (WALLABY) using dat…