7 papers · 1 filter
FEAST: JWST/NIRCam view of the Resolved Stellar Populations of the Interacting Dwarf Galaxies NGC~4485/NGC~4490
Giacomo Bortolini, Matteo Correnti, Angela Adamo +23
We present new JWST/NIRCam observations of the interacting dwarf galaxy system NGC 4485/NGC 4490 (a.k.a. Arp 269), obtained as part of the Cycle 1 Feedback in Emerging extrAgalacti…
The HST Legacy Archival Uniform Reduction of Local Group Imaging (LAURELIN). I. Photometry and Star Formation Histories for 36 Ultra-faint Dwarf Galaxies
Meredith J. Durbin, Yumi Choi, Alessandro Savino +14
We present uniformly measured resolved stellar photometry and star formation histories (SFHs) for 36 nearby ( 400 kpc) ultra-faint dwarf galaxies (UFDs; $-7.1 \le M_V \le…
FEAST: probing the stellar population of the starburst dwarf galaxy NGC4449 with JWST/NIRCam
Matteo Correnti, Giacomo Bortolini, Flavia Dell'Agli +22
We present new JWST/NIRCam observations of the starburst irregular galaxy NGC 4449, obtained in Cycle 1 as part of the Feedback in Emerging extrAgalactic Star clusTers (FEAST) prog…
DDO68-C: HST confirms yet another companion of the isolated dwarf galaxy DDO 68
Matteo Correnti, Francesca Annibali, Michele Bellazzini +10
We present the results of deep Hubble Space Telescope photometry of the dwarf galaxy DDO 68-C, proposed as possibly associated with the isolated peculiar dwarf DDO 68. The new data…
Old massive clusters (and a nuclear star cluster?) in the tidal tails of NGC5238
M. Bellazzini, F. Annibali, M. Correnti +12
New, deep HST photometry allowed us to identify and study eight compact and bright (M_V< -5.8) star clusters in the outskirts of the star-forming isolated dwarf galaxy NGC5238 (M_*…
The Low-Mass Stellar Initial Mass Function in Nearby Ultrafaint Dwarf Galaxies
Carrie Filion, Rosemary F. G. Wyse, Hannah Richstein +3
The stellar initial mass function (IMF) describes the distribution of stellar masses that form in a given star formation event. The long main-sequence lifetimes of low-mass stars m…