Arid
DOI10.3847/1538-4357/aaf381
Measurements of Tropospheric Ice Clouds with a Ground-based CMB Polarization Experiment, POLARBEAR
Takakura, S.1; Aguilar-Faundez, M. A. O.2,3; Akiba, Y.4; Arnold, K.5; Baccigalupi, C.6,7; Barron, D.8; Beck, D.9; Bianchini, F.10; Boettger, D.11,12; Borrill, J.13,14; Cheung, K.15; Chinone, Y.1,15; Elleflot, T.5; Errard, J.9; Fabbian, G.16; Feng, C.17; Goeckner-Wald, N.15; Hamada, T.18; Hasegawa, M.19; Hazumi, M.1,4,19,20; Howe, L.5; Kaneko, D.1; Katayama, N.1; Keating, B.5; Keskitalo, R.13,14; Kisner, T.13,14; Krachmalnicoff, N.6; Kusaka, A.21,22; Lee, A. T.15,21; Lowry, L. N.5; Matsuda, F. T.1; May, A. J.23; Minami, Y.19; Navaroli, M.5; Nishino, H.19; Piccirillo, L.23; Poletti, D.6; Puglisi, G.24,25; Reichardt, C. L.10; Segawa, Y.4; Silva-Feaver, M.5; Siritanasak, P.5; Suzuki, A.21; Tajima, O.26; Takatori, S.19; Tanabe, D.4; Teply, G. P.5; Tsai, C.5
通讯作者Takakura, S.
来源期刊ASTROPHYSICAL JOURNAL
ISSN0004-637X
EISSN1538-4357
出版年2019
卷号870期号:2
英文摘要The polarization of the atmosphere has been a long-standing concern for ground-based experiments targeting cosmic microwave background (CMB) polarization. Ice crystals in upper tropospheric clouds scatter thermal radiation from the ground and produce a horizontally polarized signal. We report a detailed analysis of the cloud signal using a ground-based CMB experiment, POLARBEAR, located at the Atacama desert in Chile and observing at 150 GHz. We observe horizontally polarized temporal increases of low-frequency fluctuations (polarized bursts, hereafter) of less than or similar to 0.1 K when clouds appear in a webcam monitoring the telescope and the sky. The hypothesis of no correlation between polarized bursts and clouds is rejected with >24 sigma statistical significance using three years of data. We consider many other possibilities including instrumental and environmental effects, and find no reasons other than clouds that can explain the data better. We also discuss the impact of the cloud polarization on future ground-based CMB polarization experiments.
英文关键词atmospheric effects scattering cosmology: observations cosmic background radiation polarization
类型Article
语种英语
国家Japan ; Chile ; USA ; Italy ; France ; Australia ; England
开放获取类型Green Submitted, Bronze
收录类别SCI-E
WOS记录号WOS:000455931200007
WOS关键词MICROWAVE BACKGROUND POLARIZATION ; RADIATION ; PARTICLES ; SIGNATURES ; EMISSION ; CRYSTALS ; IMPACT ; SHAPE
WOS类目Astronomy & Astrophysics
WOS研究方向Astronomy & Astrophysics
来源机构University of California, Berkeley ; E17
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/214433
作者单位1.Univ Tokyo, Kavli IPMU WPI, UTIAS, Kashiwa, Chiba 2778583, Japan;
2.Univ Chile, Dept Fis, FCFM, Blanco Encalada 2008, Santiago, Chile;
3.Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA;
4.SOKENDAI, Dept Particle & Nucl Phys, Hayama, Kanagawa 2400193, Japan;
5.Univ Calif San Diego, Dept Phys, San Diego, CA 92093 USA;
6.SISSA, Int Sch Adv Studies, Via Bonomea 265, I-34136 Trieste, Italy;
7.Ist Nazl Fis Nucl, Sez Trieste, Via Valerio 2, I-34127 Trieste, Italy;
8.Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA;
9.Univ Paris Diderot, Obs Paris, CNRS, Sorbonne Paris Cite,CEA Irfu,APC,IN2P3, Paris, France;
10.Univ Melbourne, Sch Phys, Parkville, Vic 3010, Australia;
11.Pontificia Univ Catolica Chile, Inst Astrofis, Fac Fis, Vicuna Mackenna 4860, Santiago 7820436, Chile;
12.Pontificia Univ Catolica Chile, Ctr AstroIngn, Fac Fis, Vicuna Mackenna 4860, Santiago 7820436, Chile;
13.Lawrence Berkeley Natl Lab, Computat Cosmol Ctr, Berkeley, CA 94720 USA;
14.Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA;
15.Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA;
16.Univ Paris Saclay, Univ Paris Sud, Inst Astrophys Spatiale, CNRS,UMR 8617, Bat 121, F-91405 Orsay, France;
17.Univ Illinois, Dept Phys, Urbana, IL 61801 USA;
18.Tohoku Univ, Astron Inst, Grad Sch Sci, Sendai, Miyagi 9808578, Japan;
19.KEK, High Energy Accelerator Res Org, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 3050801, Japan;
20.Japan Aerosp Explorat Agcy JAXA, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2520222, Japan;
21.Lawrence Berkeley Natl Lab, Phys Div, Berkeley, CA 94720 USA;
22.Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan;
23.Univ Manchester, Jodrell Bank Ctr Astrophys, Manchester M13 9PL, Lancs, England;
24.Stanford Univ, Dept Phys, Stanford, CA 94305 USA;
25.Stanford Univ, KIPAC, Stanford, CA 94305 USA;
26.Kyoto Univ, Dept Phys, Kyoto 6068502, Japan
推荐引用方式
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Takakura, S.,Aguilar-Faundez, M. A. O.,Akiba, Y.,et al. Measurements of Tropospheric Ice Clouds with a Ground-based CMB Polarization Experiment, POLARBEAR[J]. University of California, Berkeley, E17,2019,870(2).
APA Takakura, S..,Aguilar-Faundez, M. A. O..,Akiba, Y..,Arnold, K..,Baccigalupi, C..,...&Tsai, C..(2019).Measurements of Tropospheric Ice Clouds with a Ground-based CMB Polarization Experiment, POLARBEAR.ASTROPHYSICAL JOURNAL,870(2).
MLA Takakura, S.,et al."Measurements of Tropospheric Ice Clouds with a Ground-based CMB Polarization Experiment, POLARBEAR".ASTROPHYSICAL JOURNAL 870.2(2019).
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