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题名:
Observing the Sun with the Atacama Large Millimeter/submillimeter Array (ALMA): High-Resolution Interferometric Imaging
作者: Shimojo, M.1,2; Bastian, T. S.3; Hales, A. S.3,4; White, S. M.5; Iwai, K.6,7; Hills, R. E.8; Hirota, A.1,4; Phillips, N. M.4,9; Sawada, T.1,4; Yagoubov, P.10; Siringo, G.4,9; Asayama, S.1; Sugimoto, M.1; Brajsa, R.11; Skokic, I.12; Barta, M.12; Kim, S.13,14; de Gregorio-Monsalvo, I.4,9; Corder, S. A.3,4; Hudson, H. S.15,16; Wedemeyer, S.17; Gary, D. E.18; De Pontieu, B.17,19; Loukitcheva, M.18,20,21; Fleishman, G. D.18; Chen, B.18; Kobelski, A.22; Yan Yan(闫岩)23
关键词: Radio emission, millimeter wave ; Interferometer, ALMA ; Instrumentation and data management
刊名: SOLAR PHYSICS
发表日期: 2017-07-01
DOI: 10.1007/s11207-017-1095-2
卷: 292, 期:7
文章类型: Article
收录类别: SCI
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
关键词[WOS]: COMPACT ARRAY ; CORRELATOR ; FIELD ; MODEL
英文摘要: Observations of the Sun at millimeter and submillimeter wavelengths offer a unique probe into the structure, dynamics, and heating of the chromosphere; the structure of sunspots; the formation and eruption of prominences and filaments; and energetic phenomena such as jets and flares. High-resolution observations of the Sun at millimeter and submillimeter wavelengths are challenging due to the intense, extended, low-contrast, and dynamic nature of emission from the quiet Sun, and the extremely intense and variable nature of emissions associated with energetic phenomena. The Atacama Large Millimeter/submillimeter Array (ALMA) was designed with solar observations in mind. The requirements for solar observations are significantly different from observations of sidereal sources and special measures are necessary to successfully carry out this type of observations. We describe the commissioning efforts that enable the use of two frequency bands, the 3-mm band (Band 3) and the 1.25-mm band (Band 6), for continuum interferometric-imaging observations of the Sun with ALMA. Examples of high-resolution synthesized images obtained using the newly commissioned modes during the solar-commissioning campaign held in December 2015 are presented. Although only 30 of the eventual 66 ALMA antennas were used for the campaign, the solar images synthesized from the ALMA commissioning data reveal new features of the solar atmosphere that demonstrate the potential power of ALMA solar observations. The ongoing expansion of ALMA and solar-commissioning efforts will continue to enable new and unique solar observing capabilities.
语种: 英语
项目资助者: ALMA Development grant from NAOJ ; ALMA Development grant from NRAO ; ALMA Development grant from ESO ; JSPS KAKENHI(JP17K05397) ; Croatian Science Foundation(6212) ; European Commission FP7 project SOLARNET, which is an Integrated Infrastructure Initiative (I3)(312495) ; NSF(AGS-1250374 ; NSFC(11433006) ; European Research Council (ERC) under the European Union's Horizon research and innovation program(682462) ; FP7 Capacities Program ; ESA ; Norwegian Space Center ; AGS-1262772)
WOS记录号: WOS:000406304300005
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内容类型: 期刊论文
URI标识: http://ir.bao.ac.cn/handle/114a11/8884
Appears in Collections:太阳物理研究部_期刊论文

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作者单位: 1.Natl Astron Observ Japan, 2-21-1, Mitaka, Tokyo 1818588, Japan
2.Grad Univ Adv Studies SOKENDAI, Dept Astron Sci, 2-21-1, Mitaka, Tokyo 1818588, Japan
3.Natl Radio Astron Observ, 520 Edgemont Rd, Charlottesville, VA 22903 USA
4.Joint ALMA Observ, Alonso Cordova 3107, Santiago 7630355, Chile
5.Kirtland AFB, Space Vehicles Directorate, Air Force Res Lab, 3550 Aberdeen Ave SE, Albuquerque, NM 87117 USA
6.Nagoya Univ, Inst Space Earth Environm Res ISEE, Nagoya, Aichi 4648601, Japan
7.Natl Inst Informat & Commun Technol NICT, 4-2-1 Nukui Kitamachi, Koganei, Tokyo 1848795, Japan
8.Cavendish Lab, Astrophys Grp, JJ Thomson Ave, Cambridge CB3 0HE, England
9.European Southern Observ, Alonso Cordova 3107, Santiago 7630355, Chile
10.European Southern Observ, Karl Schwarzschild Str 2, D-85748 Garching, Germany
11.Univ Zagreb, Hvar Observ, Fac Geodesy, Kaciceva 26, Zagreb 10000, Croatia
12.Acad Sci, Astron Inst, Fricova 298, Ondrejov 25165, Czech Republic
13.Korea Astron & Space Sci Inst KASI, 776 Daedeokdae Ro, Daejeon 305348, South Korea
14.Korea Univ Sci & Technol, 176 Gajeong Dong, Daejeon, South Korea
15.Univ Glasgow, Sch Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland
16.Univ Calif Berkeley, Space Sci Lab, 7 Gauss Way, Berkeley, CA 94720 USA
17.Univ Oslo, Inst Theoret Astrophys, Postboks 1029 Blindern, N-0315 Oslo, Norway
18.New Jersey Inst Technol, Ctr Solar Terr Res, Newark, NJ 07102 USA
19.Lockheed Martin Solar & Astrophys Lab, Org A021S, Bldg 252,3251 Hanover St, Palo Alto, CA 94304 USA
20.Max Planck Inst Sonnensystemforsch, Justus Von Liebig Weg 3, D-37077 Gottingen, Germany
21.St Petersburg Univ, Astron Inst, Univ Pr 28, St Petersburg 198504, Russia
22.Univ Alabama, Ctr Space Plasma & Aeron Res, Huntsville, AL 35899 USA
23.Chinese Acad Sci, Natl Astron Observ, A20 Datun Rd, Beijing 100012, Peoples R China

Recommended Citation:
Shimojo, M.,Bastian, T. S.,Hales, A. S.,et al. Observing the Sun with the Atacama Large Millimeter/submillimeter Array (ALMA): High-Resolution Interferometric Imaging[J]. SOLAR PHYSICS,2017,292(7).
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