A candidate dark matter deficient dwarf galaxy in the Fornax cluster identified through overluminous star clusters

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Romanowsky, Aaron J., Cabrera, Enrique, Janssens, Steven R.
Format:	Preprint
Published:	2024
Subjects:	Astrophysics of Galaxies
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

The MeerKAT Fornax Survey V. H i kinematics and Fornax cluster membership of the dwarf galaxy ESO 358-60
by: Kamphuis, P., et al.
Published: (2025)

The distribution and morphologies of Fornax Cluster dwarf galaxies suggest they lack dark matter
by: Asencio, E., et al.
Published: (2022)

The S-PLUS Fornax Project (S+FP): A first 12-band glimpse of the Fornax galaxy cluster
by: Castelli, A. V. Smith, et al.
Published: (2024)

The MeerKAT Fornax Survey: removal of HI gas from galaxies in the Fornax cluster
by: Maccagni, F. M., et al.
Published: (2025)

Extremely metal-poor stars in the Fornax and Carina dwarf spheroidal galaxies
by: Lucchesi, R., et al.
Published: (2023)

Evidence of star cluster migration and merger in dwarf galaxies
by: Poulain, Mélina, et al.
Published: (2025)

Merge and strip: dark matter-free dwarf galaxies in clusters can be formed by galaxy mergers
by: Ivleva, Anna, et al.
Published: (2024)

A new class of dark matter-free dwarf galaxies? I. Clues from FCC 224, NGC 1052-DF2 and NGC 1052-DF4
by: Buzzo, Maria Luisa, et al.
Published: (2025)

Disc growth and vertical heating of lenticular galaxies in the Fornax cluster
by: Martig, Marie, et al.
Published: (2025)

Signs of `Everything Everywhere All At Once' formation in low surface brightness globular cluster-rich dwarf galaxies
by: Ferré-Mateu, Anna, et al.
Published: (2025)

Fornax dwarf spheroidal in MOND: its formation and the survival of its globular clusters
by: Bílek, Michal, et al.
Published: (2025)

Deep HST/UVIS imaging of the candidate dark galaxy CDG-1
by: van Dokkum, Pieter, et al.
Published: (2024)

Dynamical friction for circular orbits in self-interacting ultralight dark matter and Fornax globular clusters
by: Koo, Hyeonmo, et al.
Published: (2025)

The MeerKAT Fornax Survey. III. Ram-pressure stripping of the tidally interacting galaxy NGC 1427A in the Fornax cluster
by: Serra, P., et al.
Published: (2024)

Numerical effects on the stripping of dark matter and stars in IllustrisTNG galaxy groups and clusters
by: Lovell, Mark R., et al.
Published: (2025)

Morphology and stellar populations of a candidate ultra-diffuse galaxy in early Euclid and Rubin imaging
by: Romanowsky, Aaron J., et al.
Published: (2025)

A resolved, multi-wavelength study of gas-rich dwarf galaxies in the Fornax cluster using MUSE, MeerKAT, and ALMA
by: Zabel, Nikki, et al.
Published: (2024)

The SRG/eROSITA all-sky survey: View of the Fornax galaxy cluster
by: Reiprich, T. H., et al.
Published: (2025)

Observational predictions for the survival of atomic hydrogen in simulated Fornax-like galaxy clusters
by: Chaturvedi, Avinash, et al.
Published: (2024)

The influence of the Cosmic Web on the properties of dwarf galaxies in the Fornax-Eridanus Supercluster
by: Xu, X., et al.
Published: (2026)

Origin of the correlation between stellar kinematics and globular cluster system richness in ultra-diffuse galaxies
by: Pfeffer, Joel, et al.
Published: (2024)

Formation of a nuclear star cluster through the inspiral of globular clusters: A case study of the dwarf elliptical galaxy UGC 7346
by: Khan, Ismael, et al.
Published: (2026)

Local Group dwarf galaxies as dark matter probes
by: Battaglia, G., et al.
Published: (2025)

Are early-type galaxies quenched by present-day environment? A study of dwarfs in the Fornax Cluster
by: Romero-Gómez, et al.
Published: (2024)

Euclid: Early Release Observations -- Interplay between dwarf galaxies and their globular clusters in the Perseus galaxy cluster
by: Saifollahi, T., et al.
Published: (2025)

Formation of massive star clusters with and without iron abundance spreads in a dwarf galaxy merger
by: Matsui, Hidenori, et al.
Published: (2025)

The formation, evolution and disruption of star clusters with improved gravitational dynamics in simulated dwarf galaxies
by: Lahén, Natalia, et al.
Published: (2024)

On the correlation between globular clusters and the distribution of dark matter in galaxy clusters: the case of Abell 2744
by: Reina-Campos, Marta, et al.
Published: (2026)

The Local Volume Database: a library of the observed properties of nearby dwarf galaxies and star clusters
by: Pace, Andrew B.
Published: (2024)

Spectroscopy of globular clusters in the dwarf spheroidal galaxy IKN
by: Sharina, M. E., et al.
Published: (2024)

The spatial distribution of dwarf and giant galaxies in and around Virgo cluster
by: Choque-Challapa, Nelvy, et al.
Published: (2025)

Influence of star cluster mass, age, and galaxy star formation rate on star cluster radii
by: Sebastian, Michelle
Published: (2026)

Revisiting candidate high-velocity stars associated with the Sagittarius dwarf spheroidal galaxy
by: Zhang, Jian, et al.
Published: (2026)

The stellar mass composition of galaxy clusters and dependencies on dark matter halo properties
by: Montenegro-Taborda, Daniel, et al.
Published: (2025)

The MeerKAT Fornax Survey VI. The collapse of the galaxy HI Mass Function in Fornax
by: Kleiner, D., et al.
Published: (2025)

Euclid: Early Release Observations -- The star cluster systems of the Local Group dwarf galaxies IC 10 and NGC 6822
by: Howell, J. M., et al.
Published: (2025)

Dark-matter central density, annihilation J-factor and decay D-factor of the Fornax, Sculptor and Leo I dwarf spheroidal galaxies
by: Nipoti, Carlo, et al.
Published: (2024)

Tidal mass loss in the Fornax dwarf spheroidal galaxy through N-body simulations with Gaia DR3-based orbits
by: Di Cintio, Pierfrancesco, et al.
Published: (2024)

Leo I: the classical dwarf spheroidal galaxy with the highest dark-matter density
by: Pascale, R., et al.
Published: (2025)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
language	"en"
VUFIND_SESSION	"e2d10b9bdd97ea225757959ae3808932"
ui	"standard"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790729910.0173 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "e2d10b9bdd97ea225757959ae3808932" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1428}
SessionHelper	Laminas\Stdlib\ArrayObject {#1759}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"language=en; VUFIND_SESSION=e2d10b9bdd97ea225757959ae3808932; ui=standard"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.216.147"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"41762"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2408_12663/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2408_12663/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790729910.0131
REQUEST_TIME	1790729910

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
language	"en"
VUFIND_SESSION	"e2d10b9bdd97ea225757959ae3808932"
ui	"standard"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790729910.0173 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "e2d10b9bdd97ea225757959ae3808932" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1428}
SessionHelper	Laminas\Stdlib\ArrayObject {#1759}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"language=en; VUFIND_SESSION=e2d10b9bdd97ea225757959ae3808932; ui=standard"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.216.147"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"41762"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2408_12663/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2408_12663/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790729910.0131
REQUEST_TIME	1790729910

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Similar Items

Similar Items

Environment & details:

Environment & details: