1D stellar mergers: entropy sorting and PyMMAMS

Fuente: arXiv

Salvato in:

Dettagli Bibliografici
Autori principali:	Heller, Max, Schneider, Fabian R. N., Henneco, Jan, Bronner, Vincent A., Lau, Mike Y. M.
Natura:	Preprint
Pubblicazione:	2025
Soggetti:	Astrophysics of Galaxies Solar and Stellar Astrophysics
Accesso online:	Acceder al recurso
Tags:	Aggiungi Tag Nessun Tag, puoi essere il primo ad aggiungerne!!

Documenti analoghi

Asteroseismic predictions for a massive main-sequence merger product
di: Henneco, J., et al.
Pubblicazione: (2025)

Merger seismology: distinguishing massive merger products from genuine single stars using asteroseismology
di: Henneco, Jan, et al.
Pubblicazione: (2024)

The mass distribution of stellar mergers: A new scenario for several FS CMa stars
di: Dvořáková, N., et al.
Pubblicazione: (2024)

Massive stellar cannibals: How stellar mergers drive mass-loss in extremely massive stars
di: Roman-Garza, J., et al.
Pubblicazione: (2026)

Stellar mergers and common-envelope evolution
di: Schneider, Fabian R. N., et al.
Pubblicazione: (2025)

The bound origin of low-mass stellar binaries
di: Generozov, A., et al.
Pubblicazione: (2026)

Hot springs and dust reservoirs: JWST reveals the dusty, molecular aftermath of extragalactic stellar mergers
di: Karambelkar, Viraj, et al.
Pubblicazione: (2025)

Lithium as a probe of stellar and galactic physics
di: Charbonnel, C., et al.
Pubblicazione: (2026)

Binarity at LOw Metallicity (BLOeM): Pipeline-Determined Physical Properties of OB Stars
di: Bestenlehner, J. M., et al.
Pubblicazione: (2025)

Galactic kinematics of various stellar types
di: Cowley, Charles R., et al.
Pubblicazione: (2024)

An all-sky catalogue of stellar reddening values
di: Paunzen, E., et al.
Pubblicazione: (2024)

The stellar to sub-stellar masses transition in 47 Tuc
di: Ventura, C., et al.
Pubblicazione: (2025)

BPASS stellar evolution models incorporating $α$-enhanced composition -- I. Single star models from 0.1 to 316 M$_\odot$
di: Byrne, Conor M, et al.
Pubblicazione: (2024)

Dynamical traceback age of the Octans young stellar association
di: Galli, P. A. B., et al.
Pubblicazione: (2024)

PySME v1.0: improved modelling of stellar spectra for survey-scale applications
di: Jian, Mingjie, et al.
Pubblicazione: (2026)

Tight stellar binaries favour active longitudes at sub- and anti-stellar points
di: Sethi, Ritika, et al.
Pubblicazione: (2024)

photoD with Rubin's Data Preview 1: first stellar photometric distances and deficit of faint blue stars. Stellar distances with Rubin's DP1
di: Palaversa, L., et al.
Pubblicazione: (2025)

Dust formation in common envelope binary interactions -- II: 3D simulations with self-consistent dust formation
di: Bermúdez-Bustamante, Luis C., et al.
Pubblicazione: (2024)

Theory, Simulations and Observations of Stellar Mergers
di: Schneider, Fabian R. N.
Pubblicazione: (2025)

M3DIS -- A grid of 3D radiation-hydrodynamics stellar atmosphere models for stellar surveys. II. Carbon-enhanced metal-poor stars
di: Eitner, Philipp, et al.
Pubblicazione: (2025)

Efficiency of black hole formation via collisions in stellar systems: An analysis of data from simulations and observations
di: Vergara, M. C., et al.
Pubblicazione: (2024)

The structure and evolution of a high-mass stellar merger in the Hertzsprung gap
di: Patton, Rachel A., et al.
Pubblicazione: (2025)

Chemical evolution of the Galactic bulge with different stellar populations
di: Molero, M., et al.
Pubblicazione: (2024)

Localized $^{18}$O production in white dwarf mergers
di: Holas, Alexander, et al.
Pubblicazione: (2026)

Connecting stellar and galactic scales: Energetic feedback from stellar wind bubbles to supernova remnants
di: Fichtner, Yvonne A., et al.
Pubblicazione: (2024)

A 3D physico-chemical model of a pre-stellar core. II. Dynamic chemical evolution in a pre-stellar core model using tracer particles
di: Jensen, S. S., et al.
Pubblicazione: (2026)

An infrared census of R Coronae Borealis Stars II -- Spectroscopic classifications and implications for the rate of low-mass white dwarf mergers
di: Karambelkar, Viraj R., et al.
Pubblicazione: (2024)

The GRAVITY young stellar object survey XII. The hot gas disk component in Herbig Ae/Be stars
di: GRAVITY Collaboration, et al.
Pubblicazione: (2024)

The multi-age stellar populations of Terzan 5 as revealed by JWST
di: Zullo, G., et al.
Pubblicazione: (2026)

The age of the Methuselah star in light of stellar evolution models with tailored abundances
di: Guillaume, C., et al.
Pubblicazione: (2024)

Chemical radial gradients for the bulge-bar stellar populations from the APOGEE survey
di: Sales-Silva, J. V., et al.
Pubblicazione: (2026)

The Milky Way in motion: gauging stellar trajectories that shape the Galactic thin disc
di: Dantas, M. L. L., et al.
Pubblicazione: (2025)

Cepheids as distance indicators and stellar tracers
di: Bono, G., et al.
Pubblicazione: (2024)

Hunting pre-stellar cores with APEX: Corona Australis 151, the densest pre-stellar core or the youngest protostar?
di: Redaelli, E., et al.
Pubblicazione: (2025)

The primordial nature of the C-19 stellar stream
di: Venn, Kim A., et al.
Pubblicazione: (2026)

Bayesian ages of local young stellar associations I. Through the expansion rate method
di: Olivares, J., et al.
Pubblicazione: (2025)

The spectroscopic binary fraction of the young stellar cluster M17
di: Ramírez-Tannus, M. C., et al.
Pubblicazione: (2024)

A magnetic white dwarf formed through a binary merger within 35 million years
di: Yan, Huahui, et al.
Pubblicazione: (2025)

A Low Metallicity Massive Contact Binary Star System Candidate in WLM identified by Hubble and James Webb Space Telescope imaging
di: Gull, Maude, et al.
Pubblicazione: (2024)

The impact of stellar rotations and binaries on the shape of upper main sequence near turn off in open cluster NGC\,6067
di: Maurya, Jayanand, et al.
Pubblicazione: (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
ui	"standard"
VUFIND_SESSION	"b7e8b9addcb305bed95cae888fd4898f"
language	"it"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790888845.3397 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "b7e8b9addcb305bed95cae888fd4898f" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1433}
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	"ui=standard; VUFIND_SESSION=b7e8b9addcb305bed95cae888fd4898f; language=it"
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	"216.73.217.142"
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	"47408"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2512_14669/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2512_14669/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790888845.3219
REQUEST_TIME	1790888845

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler