Prime Focus Spectrograph (PFS) for the Subaru Telescope: its start of the last development phase

Tamura, Naoyuki; Moritani, Yuki; Yabe, Kiyoto; Ishizuka, Yuki; Kamata, Yukiko; Allaoui, Ali; Arai, Akira; Arnouts, S.; Barkhouser, Robert H.; Barette, Rudy; Blanchard, P.; Bergeron, E.; Čaplar, Neven; Chabaud, Pierre-Yves; Chang, Yin-Chang; Chen, Hsin-Yo; Chou, Chueh-Yi; Chu, You‐Hua; Cohen, Judith G.; Costa, Ricardo L. da; Crauchet, Thibaut; Almeida, Rodrigo P. de; Oliveira, Antônio César de; Oliveira, Lígia Souza de; Dohlen, Kjetil; Santos, Leandro Henrique dos; Ellis, Richard S.; Fabricius, Maximilian; Ferreira, Décio; Furusawa, Hisanori; Givans, Jahmour J.; Garciá-Carpio, Javier; Golebiowski, Mirek; Gray, Aidan C.; Gunn, James E.; Hamano, Satoshi; Hammond, Randolph P.; Harding, Albert; Hayashi, Kota; He, Wanqiu; Heckman, Timothy M.; Hope, Stephen C.; Hsu, Shu-Fu; Hu, Yen-Shan; Huang, Pin Jie; Ishigaki, Miho N.; Jeschke, Eric; Jing, Y. P.; Kado-Fong, Erin; Karr, J.; Kawanomoto, Satoshi; Kimura, Masahiko; Koike, M.; Komatsu, Eiichiro; Koshida, Shintaro; Brun, V. Le; Fur, Arnaud Le; Mignant, D. Le; Lhoussaine, Romain; Lin, Yen-Ting; Ling, Hung-Hsu; Loomis, Craig; Lupton, Robert H.; Madec, F.; Marchesini, Danilo; Marguerite, Edouard; Marrara, Lucas Souza; Medvedev, Dmitry; Mineo, Sogo; Miyazaki, Satoshi; Morishima, Takahiro; Murata, K. L.; Murayama, Hitoshi; Murray, Graham J.; Okita, Hirofumi; Onodera, Makoto; Peebles, Joshua P.; Price, P. A.; Pyo, Tae‐Soo; Ramos, Lucio; Reiley, Daniel J.; Reinecke, M.; Roberts, Mitsuko; Rosa, Josimar A.; Rousselle, J.; Sarkis, Mira; Seiffert, M. D.; Schubert, Kiaina; Siddiqui, Hassan; Smee, Stephen A.; Sodré, L.; Strauss, Michael A.; Surace, C.; Popp, Manuchehr Taghizadeh; Tait, Philip J.; Takada, Masahiro; Takagi, Y.; Tanaka, Masayuki; Tanaka, Yôko; Thakar, Aniruddha R.; Vibert, D.; Wang, Shiang‐Yu; Wen, C. Y.; Werner, Suzanne; Wung, Matthew; Lemson, Gerald; Mitschang, A. W.; Yasuda, Naoki; Yoshida, Hiroshige; Yan, Chi-Hung; Yoshida, Michitoshi; Yamashita, Takuji

doi:10.1117/12.2628152

Ground-Based and Airborne Instrumentation for Astronomy IX 2022

DOI: 10.1117/12.2628152

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Prime Focus Spectrograph (PFS) for the Subaru Telescope: its start of the last development phase

Naoyuki Tamura

Yuki Moritani

Kiyoto Yabe

et al.

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2023

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The DESI One-Percent Survey: Constructing Galaxy–Halo Connections for ELGs and LRGs Using Auto and Cross Correlations

Gao,

Jing,

Gui

et al. 2023

ApJ

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In the current Dark Energy Spectroscopic Instrument (DESI) survey, emission line galaxies (ELGs) and luminous red galaxies (LRGs) are essential for mapping the dark matter distribution at N M . We measure the auto and cross correlation functions of ELGs and LRGs at 108.0 M ⊙ from the DESI One-Percent survey. Following Gao et al., we construct the galaxy–halo connections for ELGs and LRGs simultaneously. With the stellar–halo mass relation for the whole galaxy population (i.e., normal galaxies), LRGs can be selected directly by stellar mass, while ELGs can also be selected randomly based on the observed number density of each stellar mass, once the probability z ∼ 0.2 of a satellite galaxy becoming an ELG is determined. We demonstrate that the observed small scale clustering prefers a halo mass-dependent z ∼ 0.2 model rather than a constant. With this model, we can well reproduce the auto correlations of LRGs and the cross correlations between LRGs and ELGs at z ∼ 0.7 z ∼ 1. We can also reproduce the auto correlations of ELGs at deg2 z ∼ 1 (0.6 < z < 1.6 z ∼ 1) in real (redshift) space. Although our model has only seven parameters, we show that it can be extended to higher redshifts and reproduces the observed auto correlations of ELGs in the whole range of ∼1012 M ⊙, which enables us to generate a lightcone ELG mock for DESI. With the above model, we further derive halo occupation distributions for ELGs, which can be used to produce ELG mocks in coarse simulations without resolving subhalos.

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The DESI One-Percent Survey: Constructing Galaxy–Halo Connections for ELGs and LRGs Using Auto and Cross Correlations

Gao,

Jing,

Gui

et al. 2023

ApJ

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Prime Focus Spectrograph (PFS) for the Subaru Telescope: its start of the last development phase

Cited by 1 publication

References 14 publications

The DESI One-Percent Survey: Constructing Galaxy–Halo Connections for ELGs and LRGs Using Auto and Cross Correlations

The DESI One-Percent Survey: Constructing Galaxy–Halo Connections for ELGs and LRGs Using Auto and Cross Correlations

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