The DESI Experiment Part II: Instrument Design
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The DESI Experiment Part II: Instrument Design

  • Author(s): Collaboration, DESI
  • Aghamousa, A
  • Aguilar, J
  • Ahlen, S
  • Alam, S
  • Allen, LE
  • Prieto, CA
  • Annis, J
  • Bailey, S
  • Balland, C
  • Ballester, O
  • Baltay, C
  • Beaufore, L
  • Bebek, C
  • Beers, TC
  • Bell, EF
  • Bernal, JL
  • Besuner, R
  • Beutler, F
  • Blake, C
  • Bleuler, H
  • Blomqvist, M
  • Blum, R
  • Bolton, AS
  • Briceno, C
  • Brooks, D
  • Brownstein, JR
  • Buckley-Geer, E
  • Burden, A
  • Burtin, E
  • Busca, NG
  • Cahn, RN
  • Cai, Y-C
  • Cardiel-Sas, L
  • Carlberg, RG
  • Carton, P-H
  • Casas, R
  • Castander, FJ
  • Cervantes-Cota, JL
  • Claybaugh, TM
  • Close, M
  • Coker, CT
  • Cole, S
  • Comparat, J
  • Cooper, AP
  • Cousinou, M-C
  • Crocce, M
  • Cuby, J-G
  • Cunningham, DP
  • Davis, TM
  • Dawson, KS
  • Macorra, ADL
  • Vicente, JD
  • Delubac, T
  • Derwent, M
  • Dey, A
  • Dhungana, G
  • Ding, Z
  • Doel, P
  • Duan, YT
  • Ealet, A
  • Edelstein, J
  • Eftekharzadeh, S
  • Eisenstein, DJ
  • Elliott, A
  • Escoffier, S
  • Evatt, M
  • Fagrelius, P
  • Fan, X
  • Fanning, K
  • Farahi, A
  • Farihi, J
  • Favole, G
  • Feng, Y
  • Fernandez, E
  • Findlay, JR
  • Finkbeiner, DP
  • Fitzpatrick, MJ
  • Flaugher, B
  • Flender, S
  • Font-Ribera, A
  • Forero-Romero, JE
  • Fosalba, P
  • Frenk, CS
  • Fumagalli, M
  • Gaensicke, BT
  • Gallo, G
  • Garcia-Bellido, J
  • Gaztanaga, E
  • Fusillo, NPG
  • Gerard, T
  • Gershkovich, I
  • Giannantonio, T
  • Gillet, D
  • Gonzalez-de-Rivera, G
  • Gonzalez-Perez, V
  • Gott, S
  • Graur, O
  • Gutierrez, G
  • Guy, J
  • Habib, S
  • Heetderks, H
  • Heetderks, I
  • Heitmann, K
  • Hellwing, WA
  • Herrera, DA
  • Ho, S
  • Holland, S
  • Honscheid, K
  • Huff, E
  • Hutchinson, TA
  • Huterer, D
  • Hwang, HS
  • Laguna, JMI
  • Ishikawa, Y
  • Jacobs, D
  • Jeffrey, N
  • Jelinsky, P
  • Jennings, E
  • Jiang, L
  • Jimenez, J
  • Johnson, J
  • Joyce, R
  • Jullo, E
  • Juneau, S
  • Kama, S
  • Karcher, A
  • Karkar, S
  • Kehoe, R
  • Kennamer, N
  • Kent, S
  • Kilbinger, M
  • Kim, AG
  • Kirkby, D
  • Kisner, T
  • Kitanidis, E
  • Kneib, J-P
  • Koposov, S
  • Kovacs, E
  • Koyama, K
  • Kremin, A
  • Kron, R
  • Kronig, L
  • Kueter-Young, A
  • Lacey, CG
  • Lafever, R
  • Lahav, O
  • Lambert, A
  • Lampton, M
  • Landriau, M
  • Lang, D
  • Lauer, TR
  • Goff, J-ML
  • Guillou, LL
  • Suu, ALV
  • Lee, JH
  • Lee, S-J
  • Leitner, D
  • Lesser, M
  • Levi, ME
  • L'Huillier, B
  • Li, B
  • Liang, M
  • Lin, H
  • Linder, E
  • Loebman, SR
  • Lukić, Z
  • Ma, J
  • MacCrann, N
  • Magneville, C
  • Makarem, L
  • Manera, M
  • Manser, CJ
  • Marshall, R
  • Martini, P
  • Massey, R
  • Matheson, T
  • McCauley, J
  • McDonald, P
  • McGreer, ID
  • Meisner, A
  • Metcalfe, N
  • Miller, TN
  • Miquel, R
  • Moustakas, J
  • Myers, A
  • Naik, M
  • Newman, JA
  • Nichol, RC
  • Nicola, A
  • Costa, LND
  • Nie, J
  • Niz, G
  • Norberg, P
  • Nord, B
  • Norman, D
  • Nugent, P
  • O'Brien, T
  • Oh, M
  • Olsen, KAG
  • Padilla, C
  • Padmanabhan, H
  • Padmanabhan, N
  • Palanque-Delabrouille, N
  • Palmese, A
  • Pappalardo, D
  • Pâris, I
  • Park, C
  • Patej, A
  • Peacock, JA
  • Peiris, HV
  • Peng, X
  • Percival, WJ
  • Perruchot, S
  • Pieri, MM
  • Pogge, R
  • Pollack, JE
  • Poppett, C
  • Prada, F
  • Prakash, A
  • Probst, RG
  • Rabinowitz, D
  • Raichoor, A
  • Ree, CH
  • Refregier, A
  • Regal, X
  • Reid, B
  • Reil, K
  • Rezaie, M
  • Rockosi, CM
  • Roe, N
  • Ronayette, S
  • Roodman, A
  • Ross, AJ
  • Ross, NP
  • Rossi, G
  • Rozo, E
  • Ruhlmann-Kleider, V
  • Rykoff, ES
  • Sabiu, C
  • Samushia, L
  • Sanchez, E
  • Sanchez, J
  • Schlegel, DJ
  • Schneider, M
  • Schubnell, M
  • Secroun, A
  • Seljak, U
  • Seo, H-J
  • Serrano, S
  • Shafieloo, A
  • Shan, H
  • Sharples, R
  • Sholl, MJ
  • Shourt, WV
  • Silber, JH
  • Silva, DR
  • Sirk, MM
  • Slosar, A
  • Smith, A
  • Smoot, GF
  • Som, D
  • Song, Y-S
  • Sprayberry, D
  • Staten, R
  • Stefanik, A
  • Tarle, G
  • Tie, SS
  • Tinker, JL
  • Tojeiro, R
  • Valdes, F
  • Valenzuela, O
  • Valluri, M
  • Vargas-Magana, M
  • Verde, L
  • Walker, AR
  • Wang, J
  • Wang, Y
  • Weaver, BA
  • Weaverdyck, C
  • Wechsler, RH
  • Weinberg, DH
  • White, M
  • Yang, Q
  • Yeche, C
  • Zhang, T
  • Zhao, G-B
  • Zheng, Y
  • Zhou, X
  • Zhou, Z
  • Zhu, Y
  • Zou, H
  • Zu, Y
  • et al.
Abstract

DESI (Dark Energy Spectropic Instrument) is a Stage IV ground-based dark energy experiment that will study baryon acoustic oscillations and the growth of structure through redshift-space distortions with a wide-area galaxy and quasar redshift survey. The DESI instrument is a robotically-actuated, fiber-fed spectrograph capable of taking up to 5,000 simultaneous spectra over a wavelength range from 360 nm to 980 nm. The fibers feed ten three-arm spectrographs with resolution $R= \lambda/\Delta\lambda$ between 2000 and 5500, depending on wavelength. The DESI instrument will be used to conduct a five-year survey designed to cover 14,000 deg$^2$. This powerful instrument will be installed at prime focus on the 4-m Mayall telescope in Kitt Peak, Arizona, along with a new optical corrector, which will provide a three-degree diameter field of view. The DESI collaboration will also deliver a spectroscopic pipeline and data management system to reduce and archive all data for eventual public use.

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