Jupyter simulations Using NGS Intensity with PyWFS for REDWOODS

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Hurtado, Joel, Gerard, Benjamin, Laguna, Cesar, Sanchez, Dominic Francisco
Format:	Preprint
Published:	2025
Subjects:	Instrumentation and Methods for Astrophysics
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

CiaoCiao WFS: sensing phase discontinuities at the ELT
by: Carlà, G., et al.
Published: (2023)

WaveDriver: a Laser Guide Star AO System for HWO
by: Gerard, Benjamin L., et al.
Published: (2026)

Photonic integrated circuits for astronomy: A formal description of an integrated photonics-based wavefront sensor (IP-WFS)
by: Portero-Rodríguez, Diego, et al.
Published: (2026)

libyt: an In Situ Interface Connecting Simulations with yt, Python, and Jupyter Workflows
by: Tsai, Shin-Rong, et al.
Published: (2025)

Developing a Wyne Corrector for higher spectral bandwidth focal plane wavefront sensing
by: Sanchez, Dominic F., et al.
Published: (2024)

Developments on LLNL's high contrast testbed and Lick/ShaneAO
by: Gerard, Benjamin L., et al.
Published: (2025)

The Focal-plane Actualized Shifted Technique Realized for a Shack Hartmann Wavefront Sensor (fastrSHWFS)
by: Gerard, Benjamin L., et al.
Published: (2024)

PyISH: Python Integral Field Spectroscopy Simulation for HWO
by: Sweetak, Grace, et al.
Published: (2026)

Simultaneous Two Colour Intensity Interferometry with H.E.S.S
by: Vogel, Naomi, et al.
Published: (2024)

PyPLUTO: a data analysis Python package for the PLUTO code
by: Mattia, Giancarlo, et al.
Published: (2025)

Simultaneous Misalignment and Mode Mismatch Sensing in Optical Cavities Using Intensity-Only Measurements
by: Tao, Liu, et al.
Published: (2026)

Intensity Interferometer Results on Sirius with 0.25 m Telescopes
by: Mozdzen, Thomas J., et al.
Published: (2025)

Towards Image Synthesis with Photon Counting Stellar Intensity Interferometry
by: Spolon, Alessia, et al.
Published: (2024)

Mobile Intensity Interferometer for Stellar Observations (MI$^2$SO)
by: Ingenhütt, Christopher, et al.
Published: (2026)

WaveDriver: a Laser Guide Star AO System for HWO
by: Gerard, Benjamin L., et al.
Published: (2025)

The PyKOALA python library: a multi-instrument package for IFS data reduction
by: Corcho-Caballero, Pablo, et al.
Published: (2025)

PySSED: an automated method of collating and fitting stellar spectral energy distributions
by: McDonald, Iain, et al.
Published: (2024)

PyCPL: The ESO Common Pipeline Library in Python v1.0
by: Deshpande, Mrunmayi S., et al.
Published: (2024)

Generative AI for image reconstruction in Intensity Interferometry: a first attempt
by: Rai, Km Nitu, et al.
Published: (2025)

Optical Design of the EXperiment for Cryogenic Large-Aperture Intensity Mapping (EXCLAIM)
by: Essinger-Hileman, Thomas, et al.
Published: (2020)

Holographic Beam Measurements of the Canadian Hydrogen Intensity Mapping Experiment (CHIME)
by: Amiri, Mandana, et al.
Published: (2024)

The Extremely Large Telescope Interferometer
by: Prada, Francisco, et al.
Published: (2026)

ESO White Paper on Intensity Interferometry: Cosmology, Fundamental Physics, Quantum Optics
by: Kaiser, Robin, et al.
Published: (2026)

A Python/CuPy Software Correlator for QUEST: Real-Time Performance and Initial Imaging
by: Ding, Jialang, et al.
Published: (2026)

PyTICS: An Iterative Method for Photometric Lightcurve Intercalibration using Comparison Stars
by: Vieliute, Roberta, et al.
Published: (2025)

Exploring the spatially-resolved capabilities of the J-PAS survey with Py2DJPAS
by: Rodríguez-Martín, J. E., et al.
Published: (2025)

Beam Maps of the Canadian Hydrogen Intensity Mapping Experiment (CHIME) Measured with a Drone
by: Tyndall, Will, et al.
Published: (2024)

Directional Filter Design and Simulation for Superconducting On-chip Filter-banks
by: Marting, Louis H., et al.
Published: (2024)

Radial Pulsations in Polaris: A Secondary Science Application of Cherenkov Telescopes via Intensity Interferometry
by: Rai, Km Nitu, et al.
Published: (2025)

PyLongslit: a simple manual Python pipeline for processing of astronomical long-slit spectra recorded with CCD detectors
by: Valeckas, Kostas, et al.
Published: (2025)

21 cm Intensity Mapping with the DSA-2000
by: Byrne, Ruby, et al.
Published: (2023)

Using the Gerchberg-Saxton algorithm to reconstruct non-modulated pyramid wavefront sensor measurements
by: Chambouleyron, Vincent, et al.
Published: (2023)

Evaluation of multi-parameter likelihoods through iteration of two-dimensional slices
by: Jayson, Joel S.
Published: (2024)

Control algorithms for dual-wavefront sensor single-conjugate adaptive optics
by: Sengupta, Aditya R., et al.
Published: (2026)

Performance and first measurements of the MAGIC Stellar Intensity Interferometer
by: MAGIC Collaboration, et al.
Published: (2024)

The Big Fringe Telescope
by: van Belle, Gerard T., et al.
Published: (2024)

Dark characterization of Ti/Al LEKIDs for the search of axions in the W-band
by: Rollano, Victor, et al.
Published: (2025)

A simulation framework for SiPMs
by: Peña-Rodríguez, J., et al.
Published: (2024)

Cosmic ray susceptibility of the Terahertz Intensity Mapper detector arrays
by: Liu, Lun-Jun, et al.
Published: (2024)

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	"57902ef8b0d98f9e7179b4730896f0fa"
ui	"standard"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790847362.0129 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "57902ef8b0d98f9e7179b4730896f0fa" ]`]
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	"language=en; VUFIND_SESSION=57902ef8b0d98f9e7179b4730896f0fa; 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	"56404"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2508_14256/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2508_14256/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790847361.9967
REQUEST_TIME	1790847361

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	"57902ef8b0d98f9e7179b4730896f0fa"
ui	"standard"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790847362.0129 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "57902ef8b0d98f9e7179b4730896f0fa" ]`]
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	"language=en; VUFIND_SESSION=57902ef8b0d98f9e7179b4730896f0fa; 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	"56404"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2508_14256/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2508_14256/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790847361.9967
REQUEST_TIME	1790847361

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler

Similar Items

Similar Items

Environment & details:

Environment & details: