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Astrophysics Source Code Library

Making codes discoverable since 1999

Searching for codes credited to 'Choudhury, Tirthankar Roy'

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[ascl:2107.023] cosmic_variance: Cosmic variance calculator
Ucci, Graziano; Dayal, Pratika; Hutter, Anne; Yepes, Gustavo; Gottlöber, Stefan; Legrand, Laurent; Pentericci, Laura; Castellano, Marco; Choudhury, Tirthankar Roy

cosmic_variance calculates the cosmic variance during the Epoch of Reionization (EoR) for the UV Luminosity Function (UV LF), Stellar Mass Function (SMF), and Halo Mass Function (HMF). The three functions in the package provide the output as the cosmic variance expressed in percentage. The code is written in Python, and simple examples that show how to use the functions are provided.

[ascl:2204.013] SCRIPT: Semi-numerical Code for ReIonization with PhoTon-conservation
Choudhury, Tirthankar Roy; Paranjape, Aseem

SCRIPT (Semi-numerical Code for ReIonization with PhoTon-conservation) generates the ionization field during the epoch of cosmological reionization using a photon-conserving algorithm. The code depends on density and velocity files obtained using a N-body simulation, which can be generated with a 2LPT code such as MUSIC (ascl:1311.011).