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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