The ACS Nearby Galaxy Survey Treasury

Abstract

The ACS Nearby Galaxy Survey Treasury (ANGST) is a systematic survey to establish a legacy of uniform multi-color photometry of resolved stars for a volume-limited sample of nearby galaxies (D<4 Mpc). The survey volume encompasses 69 galaxies in diverse environments, including close pairs, small & large groups, filaments, and truly isolated regions. The galaxies include a nearly complete range of morphological types spanning a factor of ~10^4 in luminosity and star formation rate. The survey data consists of images taken with ACS on HST, supplemented with archival data and new WFPC2 imaging taken after the failure of ACS. Survey images include wide field tilings covering the full radial extent of each galaxy, and single deep pointings in uncrowded regions of the most massive galaxies in the volume. The new wide field imaging in ANGST reaches median 50% completenesses of m_F475W=28.0 mag, m_F606W=27.3 mag, and m_F814W=27.3 mag, several magnitudes below the tip of the red giant branch (TRGB). The deep fields reach magnitudes sufficient to fully resolve the structure in the red clump. The resulting photometric catalogs are publicly accessible and contain over 34 million photometric measurements of >14 million stars. In this paper we present the details of the sample selection, imaging, data reduction, and the resulting photometric catalogs, along with an analysis of the photometric uncertainties (systematic and random), for both the ACS and WFPC2 imaging. We also present uniformly derived relative distances measured from the apparent magnitude of the TRGB.

54 pages, including 24 pages of figures and 16 pages of tables. Project website and data available at http://www.nearbygalaxies.org/ . Data is also available through MAST. Scheduled to appear in the Astrophysical Journal Supplements. (Replaced to fix several figures that were damaged during compression)

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• Unveiling Extragalactic Star Formation Using Radio Recombination Lines: An EVLA Pilot Study with NGC 253
• Wind-powered ultraluminous X-ray sources
• The SAGA Survey. V. Modeling Satellite Systems around Milky Way-mass Galaxies with Updated UniverseMachine
• Modeling the physical properties in the ISM of the low-metallicity galaxy NGC4214
• A close look at the Centaurus A group of galaxies IV. Recent star formation histories of late-type dwarfs around CenA
• The Asymptotic Giant Branch and the Tip of the Red Giant Branch as Probes of Star Formation History: The Nearby Dwarf Irregular Galaxy KKH 98
• The Northern Cross Fast Radio Burst project -- III. The FRB-magnetar connection in a sample of nearby galaxies
• SN 2014J at M82: I. A middle-class type Ia supernova by all spectroscopic metrics
• Optical-NIR analysis of globular clusters in the IKN dwarf spheroidal: a complex star formation history
• Mapping Circumstellar Matter with Polarized Light - The Case of Supernova 2014J in M82
• Hierarchical star formation in nearby galaxies
• Ultra-deep Imaging: Structure of Disks and Haloes
• Progenitor constraints on the Type Ia supernova SN 2014J from Hubble Space Telescope H$\beta$ and [O III] observations
• Fluctuation Spectroscopy: A New Probe of Old Stellar Populations
• Dynamical History Of The Local Group In $\Lambda$CDM $\mathrm{II}$ $-$ Including External Perturbers In 3D
• A Tale of a Tail: A Tidally-Disrupting Ultra-Diffuse Galaxy in the M81 Group
• Star Formation Histories from SEDs and CMDs Agree: Evidence for Synchronized Star Formation in Local Volume Dwarf Galaxies over the Past 3 Gyr
• LBT/MODS spectroscopy of globular clusters in the irregular galaxy NGC 4449
• Multi-Epoch Very Long Baseline Interferometric Observations of the Nuclear Starburst Region of NGC 253: Improved modelling of the supernova and star-formation rates
• A New Sample of Obscured AGNs Selected from the XMM-Newton and AKARI Surveys
• Properties of interstellar dust responsible for extinction laws with unusually low total-to-selective extinction ratios of Rv=1-2
• The Panchromatic Hubble Andromeda Treasury XVII. Examining Obscured Star Formation with Synthetic Ultraviolet Flux Maps in M31
• The Panchromatic Hubble Andromeda Treasury. VI. The reliability of far-ultraviolet flux as a star formation tracer on sub-kpc scales
• Determining the Timescale over Which Stellar Feedback Drives Turbulence in the ISM: A Study of four Nearby Dwarf Irregular Galaxies
• Quantified HI Morphology VII: star-formation and tidal influence on local dwarf HI morphology
• A systematic aging method I: HII regions D118 and D119 in NGC 300
• Hubble Space Telescope Imaging of Isolated Local Volume Dwarfs GALFA-Dw3 and Dw4
• Nebular metallicities in two isolated Local Void dwarf galaxies
• Isolating the young stellar population in the outer disk of NGC 300
• Timescales on which Star Formation Affects the Neutral ISM
• Finding $\eta$ Car Analogs in Nearby Galaxies Using Spitzer: II. Identification of An Emerging Class of Extragalactic Self-Obscured Stars
• On the absence of backsplash analogues to NGC 3109 in the $\Lambda$CDM framework
• A solution to the problems of cusps and rotation curves in dark matter halos in the cosmological standard model
• SDSS-IV MaNGA: The MaNGA Dwarf Galaxy Sample
• The Initial Mass Function in the Extended Ultraviolet Disk of M83
• Star forming dwarf galaxies
• Constraining the escape fraction of ionizing photons from HII regions within NGC 300: A concept paper
• The Effect of Variability on X-Ray Binary Luminosity Functions: Multiple Epoch Observations of NGC 300 with Chandra
• Stellar feedback impact on the ionized gas kinematics in the dwarf galaxy Sextans A
• Stellar Populations and the Star Formation Histories of LSB Galaxies: V. WFC3 Color-Magnitude Diagrams
• Is NGC 300 a pure exponential disk galaxy?
• The Extragalactic Distance Scale without Cepheids IV
• Booms and Busts: the Burstiness of Star Formation in Nearby Dwarf Galaxies
• GHOSTS I: A New Faint very Isolated Dwarf Galaxy at D = 12 +/- 2 Mpc
• SN2010U -- a Luminous Nova in NGC 4214
• UVIT view of dwarf irregular galaxy IC 2574 : Is the star formation triggered due to expanding H I shells?
• Rotational Dynamics and Star Formation in the Nearby Dwarf Galaxy NGC 5238
• Observing the stellar halo of Andromeda in cosmological simulations: the Auriga2PAndAS pipeline
• Radio-Continuum Study of the Nearby Sculptor Group Galaxies. Part 3: NGC 7793 at lambda=12.2, 6 and 3 cm
• Detection of HC${}_3$N maser emission in NGC253
• The dust effects on galaxy scaling relations
• Investigations of the Class I methanol masers in NGC 4945
• Discovery of a radio transient in M81
• Distances to Dwarf Galaxies of the Canes Venatici I Cloud
• Nearby Galaxies in More Distant Contexts
• A study of two dwarf irregular galaxies with asymmetrical star formation distributions
• Sunscreen: Photometric Signatures of Galaxies Partially Cloaked in Dyson Spheres
• Infrared photometry of Young Massive Clusters in the starburst galaxy NGC 4214
• MUSE crowded field 3D spectroscopy in NGC 300 : IV. Planetary nebula luminosity function
• Seeing Red in NGC 1978, NGC 55, and NGC 3109
• Astrophysical Distance Scale IV. Preliminary Zero-Point Calibration of the JAGB Method in the HST/WFC3-IR Broad J-Band (F110W) Filter
• The role of environment on the star formation history of disc galaxies
• Modified Gravity and the Flux-weighted Gravity-Luminosity Relationship of Blue Supergiant Stars
• Detection of 84-GHz class I methanol maser emission towards NGC 253
• Probing the cold and warm molecular gas in the Whirlpool Galaxy: Herschel SPIRE-FTS Observations of the central region of M51 (NGC 5194)
• The Smallest Scale of Hierarchy Survey (SSH). II. Extended star formation and bar-like features in the dwarf galaxy NGC 3741: recent merger or ongoing gas accretion?
• The MUSE view of the Sculptor galaxy: survey overview and the planetary nebulae luminosity function
• Distances to Galaxies from the Brightest Stars in the Universe
• Radio-Continuum Study of the Nearby Sculptor Group Galaxies. Part 2: NGC 55 at λ=20, 13, 6 and 3 cm
• Tests of photometry: the case of the NGC 3370 ACS field
• The First Candidate Colliding-Wind Binary in M33
• Variability in extragalactic class I methanol masers: New maser components toward NGC4945 and NGC253
• Antlia Dwarf Galaxy: Distance, quantitative morphology and recent formation history via statistical field correction
• A Bound on the Light Emitted During the TP-AGB Phase
• The Unusually Luminous Extragalactic Nova SN 2010U
• Optical IFU spectroscopy of a bipolar microquasar jet in NGC 300
• Population gradients and photometric metallicities in early- and transition-type dwarf galaxies: Clues from the Sculptor group
• The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data
• Mid-IR FORCAST/SOFIA Observations of M82
• A nearby isolated dwarf: star formation and structure of ESO 006-001
• A tale of two nearby dwarf irregular galaxies WLM and IC 2574 -- as revealed by UVIT
• The emergence of globular clusters and globular-cluster-like dwarfs
• The Shape of Dark Matter Haloes II. The Galactus HI Modelling & Fitting Tool
• The disk averaged star formation relation for Local Volume dwarf galaxies
• Measurements of the Soft Gamma-ray Emission from SN2014J with Suzaku
• One of Everything: The Breakthrough Listen Exotica Catalog
• DELVE-DEEP Survey: The Faint Satellite System of NGC 55
• The Local Ultraviolet to Infrared Treasury I. Survey Overview of the Broadband Imaging
• The Chandra Local Volume Survey: The X-ray Point Source Population of NGC 404
• Chemical abundances in the dwarf galaxy NGC 4163 based on the nebular and auroral emission lines
• Searching for Conformity Across Cosmic Time with Local Group and Local Volume Star Formation Histories
• Resolved photometry of Young Massive Clusters in the starburst galaxy NGC 4214
• Multiwavelength Study of the X-Ray Bright Supernova Remnant N300-S26 in NGC 300
• Hermeian haloes: extreme objects with two interactions in the past
• Low-density star cluster formation: discovery of a young faint fuzzy on the outskirts of the low-mass spiral galaxy NGC 247
• A constant upper luminosity limit of cool supergiant stars down to the extremely low metallicity of I Zw 18
• TRAPUM pulsar and transient search in the Sextans A and B galaxies and discovery of background FRB 20210924D
• Satellites in the Local Group and Other Nearby Groups
• The wind properties of O-type stars at sub-SMC metallicity
• The role of mass loss in constraining quenching time in dwarf galaxies from AGB and RGB star counts
• Galaxy Properties at the Faint End of the HI Mass Function
• Stars Born in the Wind: M82's Outflow and Halo Star Formation
• Evolution and star formation history of NGC300 from a chemical evolution model with radial gas inflows
• The MALATANG survey: Dense gas distribution on sub-kiloparsec scales across the disk of M82
• A Low Metallicity Massive Contact Binary Star System Candidate in WLM identified by Hubble and James Webb Space Telescope imaging
• JWST Observations of Starbursts: Dust Processing in the M82 Superwind
• New Blue and Red Variable Stars in NGC 247
• Discovery of a deep Seyfert-2 galaxy at z = 0.222 behind NGC 300
• walter: A Tool for Predicting Resolved Stellar Population Observations with Applications to the Roman Space Telescope
• The Exploration of Local VolumE Satellites (ELVES) Survey: A Nearly Volume-Limited Sample of Nearby Dwarf Satellite Systems
• TONGS: A Treasury Of Nearby Galaxy Surveys
• The Future of Stellar Populations Studies in the Milky Way and the Local Group
• Dust and inclination corrected star-formation and interstellar medium scaling relations in nearby galaxies
• Dwarf galaxies beyond our doorstep: the Centaurus A group