A critical analysis of main-sequence fitting in open clusters to derive the helium-to-metal enrichment ratio $ΔY/ΔZ$

Fuente: arXiv

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Dettagli Bibliografici
Autori principali:	Valle, G., Ricci, N., Dell'Omodarme, M., Moroni, P. G. Prada, Degl'Innocenti, S., Cassisi, S.
Natura:	Preprint
Pubblicazione:	2026
Soggetti:	Solar and Stellar Astrophysics
Accesso online:	Acceder al recurso
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// 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; }

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