Tungsten in barium stars

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Roriz, M. P., Lugaro, M., Junqueira, S., Sneden, C., Drake, N., Pereira, C. B.
Format:	Preprint
Published:	2024
Subjects:	Solar and Stellar Astrophysics
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

High-resolution spectroscopic analysis of four unevolved barium stars
by: Roriz, M. P., et al.
Published: (2024)

An AGB star as the source of the abundance pattern of hyper-metal-poor star HE 1327-2326
by: Gil-Pons, P., et al.
Published: (2025)

A Near-Infrared and Optical Study of NGC 5822: An Open Cluster Hosting Barium-stars and Lithium-Enriched Giant Stars
by: Holanda, N., et al.
Published: (2025)

Impact of $\textit{T}$- and $ρ$-dependent decay rates and new (n,$γ$) cross sections on the $\textit{s}$ process in low-mass AGB stars
by: Szányi, B., et al.
Published: (2025)

Barium stars as tracers of s-process nucleosynthesis in AGB stars III. Systematic deviations from the AGB models
by: Világos, B., et al.
Published: (2024)

Distinct barium isotope ratios in CEMP-s and CEMP-rs stars
by: Sitnova, T. M., et al.
Published: (2025)

Variations in Line Profiles of Atomic Transitions in RR Lyrae Stars
by: Sneden, Christopher, et al.
Published: (2024)

Discovery of a barium blue straggler star in M67 and sighting of its WD companion*
by: Pal, Harshit, et al.
Published: (2024)

Unlocking the mystery of Sr synthesis in the early Galaxy through analysis of barium isotopes in very metal-poor stars
by: Sitnova, T. M., et al.
Published: (2025)

Chemical abundances of 20 barium stars from the OHP spectra
by: Yang, Guochao, et al.
Published: (2024)

Unveiling the chemical fingerprint of phosphorus-rich stars II. Heavy-element abundances from UVES/VLT spectra
by: Brauner, Maren, et al.
Published: (2024)

Rare Find: Discovery and chemo-dynamical properties of two s-process enhanced RR Lyrae stars
by: D'Orazi, Valentina, et al.
Published: (2025)

PENELLOPE: IX. Lithium, iron and barium elemental abundances in eight nearby young clusters
by: Carini, R., et al.
Published: (2026)

High Lithium Abundance Connection with the Chromospheric Helium in Red Giants: Spectroscopic and Asteroseismic analyses
by: Mallick, Anohita, et al.
Published: (2025)

The R-Process Alliance: Analysis of Limited-r Stars
by: Xylakis-Dornbusch, T., et al.
Published: (2024)

Open cluster members in APOGEE DR17 I. Dynamics and star members
by: Guerço, R., et al.
Published: (2025)

The s Process and Beyond
by: Lugaro, Maria, et al.
Published: (2025)

eROSITA's cool star population explained
by: Schmitt, J. H. M. M., et al.
Published: (2026)

Coronal and chromospheric activity of Teegarden's star
by: Fuhrmeister, B., et al.
Published: (2025)

Extra modes in helium-core-burning stars probing an infra core cavity
by: Mosser, B., et al.
Published: (2026)

The Second Stellar Spectrum: Rotating hot massive star linear spectropolarimetry with the Ohman Effect
by: Harrington, J. Patrick, et al.
Published: (2025)

Chemically peculiar stars on the pre-main sequence
by: Kueß, L., et al.
Published: (2024)

Predicted observational effects of rapid rotation for Be stars
by: Rast, Rina G., et al.
Published: (2025)

Blending-induced beating and emission in the symbiotic star Terz V 2513
by: Merc, J., et al.
Published: (2025)

Abundances of P, S, and K in 58 bulge spheroid stars from APOGEE
by: Barbuy, B., et al.
Published: (2025)

Newborn Be star systems observed shortly after mass transfer
by: Rivinius, Th., et al.
Published: (2024)

Potassium abundances in extremely metal poor stars: Implications for nucleosynthesis in the final stages of massive star evolution
by: Ishigaki, M. N., et al.
Published: (2025)

Predictions from $s$-process AGB models of the isotopic variations of zirconium and neodymium for comparison to bulk meteorites
by: Lugaro, Maria, et al.
Published: (2025)

High-Resolution Infrared Spectroscopy of the Dust-Obscured Metal-Poor Open Cluster Trumpler 5
by: Özdemir, S., et al.
Published: (2025)

Machine learning for understanding pulsating stars I: the non-linear phenomenon in δ Scuti stars
by: Rodon, J. R., et al.
Published: (2026)

An updated picture of pre-solar history from short-lived radioactive isotopes and inferences on the birth of the Sun
by: Soós, Benjámin, et al.
Published: (2026)

Rotation of young solar-type stars as seen by Gaia and K2
by: Breton, Sylvain N., et al.
Published: (2025)

Structure formation in O-type stars and Wolf-Rayet stars
by: Van der Sijpt, C., et al.
Published: (2025)

Sun-as-a-star analysis of simulated solar flares
by: Yu, H. C., et al.
Published: (2025)

Precise physical parameters of three late-type eclipsing binary giant stars in the Large Magellanic Cloud
by: García, G. Rojas, et al.
Published: (2024)

Searching for lambda Boo stars in binary systems
by: Alacoria, J., et al.
Published: (2025)

The Occurrence and Impact of Carbon-Oxygen Shell Mergers in Massive Stars
by: Roberti, L., et al.
Published: (2025)

VLTI-GRAVITY measurements of cool evolved stars: II. Pulsation properties and mass-loss process of the Mira star R Car and the red supergiant VX Sgr
by: Jadlovský, D., et al.
Published: (2026)

High-spatial-resolution simulations of Be star disks in binary systems: I. Structure and kinematics of coplanar disks
by: Rubio, A. C., 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
VUFIND_SESSION	"5cef0c542867b646388bfb9e0a54cc03"
ui	"standard"
language	"en"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790731375.2354 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "5cef0c542867b646388bfb9e0a54cc03" ]`]
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	"VUFIND_SESSION=5cef0c542867b646388bfb9e0a54cc03; ui=standard; language=en"
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	"10871"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2401_09206/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2401_09206/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790731375.231
REQUEST_TIME	1790731375

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
VUFIND_SESSION	"5cef0c542867b646388bfb9e0a54cc03"
ui	"standard"
language	"en"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790731375.2354 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "5cef0c542867b646388bfb9e0a54cc03" ]`]
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	"VUFIND_SESSION=5cef0c542867b646388bfb9e0a54cc03; ui=standard; language=en"
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	"10871"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2401_09206/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2401_09206/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790731375.231
REQUEST_TIME	1790731375

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Similar Items

Similar Items

Environment & details:

Environment & details: