- Main
The Design and Integrated Performance of SPT-3G
- Sobrin, JA;
- Anderson, AJ;
- Bender, AN;
- Benson, BA;
- Dutcher, D;
- Foster, A;
- Goeckner-Wald, N;
- Montgomery, J;
- Nadolski, A;
- Rahlin, A;
- Ade, PAR;
- Ahmed, Z;
- Anderes, E;
- Archipley, M;
- Austermann, JE;
- Avva, JS;
- Aylor, K;
- Balkenhol, L;
- Barry, PS;
- Thakur, R Basu;
- Benabed, K;
- Bianchini, F;
- Bleem, LE;
- Bouchet, FR;
- Bryant, L;
- Byrum, K;
- Carlstrom, JE;
- Carter, FW;
- Cecil, TW;
- Chang, CL;
- Chaubal, P;
- Chen, G;
- Cho, H-M;
- Chou, T-L;
- Cliche, J-F;
- Crawford, TM;
- Cukierman, A;
- Daley, C;
- de Haan, T;
- Denison, EV;
- Dibert, K;
- Ding, J;
- Dobbs, MA;
- Everett, W;
- Feng, C;
- Ferguson, KR;
- Fu, J;
- Galli, S;
- Gambrel, AE;
- Gardner, RW;
- Gualtieri, R;
- Guns, S;
- Gupta, N;
- Guyser, R;
- Halverson, NW;
- Harke-Hosemann, AH;
- Harrington, NL;
- Henning, JW;
- Hilton, GC;
- Hivon, E;
- Holder, GP;
- Holzapfel, WL;
- Hood, JC;
- Howe, D;
- Huang, N;
- Irwin, KD;
- Jeong, OB;
- Jonas, M;
- Jones, A;
- Khaire, TS;
- Knox, L;
- Kofman, AM;
- Korman, M;
- Kubik, DL;
- Kuhlmann, S;
- Kuo, C-L;
- Lee, AT;
- Leitch, EM;
- Lowitz, AE;
- Lu, C;
- Meyer, SS;
- Michalik, D;
- Millea, M;
- Natoli, T;
- Nguyen, H;
- Noble, GI;
- Novosad, V;
- Omori, Y;
- Padin, S;
- Pan, Z;
- Paschos, P;
- Pearson, J;
- Posada, CM;
- Prabhu, K;
- Quan, W;
- Reichardt, CL;
- Riebel, D;
- Riedel, B;
- Rouble, M;
- Ruhl, JE;
- Saliwanchik, B;
- Sayre, JT;
- Schiappucci, E;
- Shirokoff, E;
- Smecher, G;
- Stark, AA;
- Stephen, J;
- Story, KT;
- Suzuki, A;
- Tandoi, C;
- Thompson, KL;
- Thorne, B;
- Tucker, C;
- Umilta, C;
- Vale, LR;
- Vanderlinde, K;
- Vieira, JD;
- Wang, G;
- Whitehorn, N;
- Wu, WLK;
- Yefremenko, V;
- Yoon, KW;
- Young, MR
- et al.
Published Web Location
https://doi.org/10.3847/1538-4365/ac374fAbstract
SPT-3G is the third survey receiver operating on the South Pole Telescope dedicated to high-resolution observations of the cosmic microwave background (CMB). Sensitive measurements of the temperature and polarization anisotropies of the CMB provide a powerful data set for constraining cosmology. Additionally, CMB surveys with arcminute-scale resolution are capable of detecting galaxy clusters, millimeter-wave bright galaxies, and a variety of transient phenomena. The SPT-3G instrument provides a significant improvement in mapping speed over its predecessors, SPT-SZ and SPTpol. The broadband optics design of the instrument achieves a 430 mm diameter image plane across observing bands of 95, 150, and 220 GHz, with 1.2′ FWHM beam response at 150 GHz. In the receiver, this image plane is populated with 2690 dual-polarization, trichroic pixels ( 1/416,000 detectors) read out using a 68× digital frequency-domain multiplexing readout system. In 2018, SPT-3G began a multiyear survey of 1500 deg2 of the southern sky. We summarize the unique optical, cryogenic, detector, and readout technologies employed in SPT-3G, and we report on the integrated performance of the instrument.
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