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国家天文台中德马普合作伙伴小组 The Partner Group of MPIfR at NAOC. 中德射电天文双边研讨会 —— 用射电探测宇宙. Sino-German Bilateral Workshop on Radio Astronomy Cosmos Probed by Radio. 2005 September 7-14th, Kashi & Urumqi, China. Warm Welcome 热烈欢迎. 本会议由中德科学中心全额资助 Fully Sponsored by
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国家天文台中德马普合作伙伴小组 The Partner Group of MPIfR at NAOC 中德射电天文双边研讨会——用射电探测宇宙 Sino-German Bilateral Workshop on Radio Astronomy Cosmos Probed by Radio 2005 September 7-14th, Kashi & Urumqi, China Warm Welcome 热烈欢迎 本会议由中德科学中心全额资助 Fully Sponsored by Chinesisch-Deutsches Zentrum fÜr Wissenschaftstorderung
Cosmos vs Universe? ---- mistake and more thoughts
国家天文台中德马普合作伙伴小组 The Partner Group of MPIfR at NAOC Sino-German Bilateral Workshop on Radio Astronomy Cosmos Probed by Radio 2005 September 7-14th, Kashi & Urumqi, China • Original Idea for the meeting: • The Second Sino-German Bilateral Workshop on Radio Astronomy • 6cm polarization system installed: More cooperation & Discussion • To express sincere thanks to all colleagues for long-term support • Sino-German Science Center: • Chinesisch-Deutsches Zentrum fÜr Wissenschaftstorderung • Fully Supported!
Partner Group of MPIfR at NAOC for Radio Astronomy http://www.bao.ac.cn/bao/hjl/
Foundation of the partner group Purposes: find a way to tighten our cooperation with MPIfR on magnetic fields of galaxies • Magnetic fields in nearby galaxies • Magnetic fields in our Galaxy • using pulsar RMs • using RMs of extragalactic radio sources • using 6cm polarization survey -- the key project • Studies of pulsars and supernova remnants
Foundation of the partner group Purposes: find a way to tighten our cooperation with MPIfR on magnetic fields of galaxies • 2000 Jan. 11: First idea of the partner group by R. Wielebinski • 2000 Feb.15: Application to CAS • 2000 Mar.15: Application to MPG • 2000 Nov.30: Formal approval from MPG, "the Letter of Appointment" for the group leader from the president of MPG • 2001 March 26: Approval from CAS • 2001 April 19: Official opening of the partner group R. Wielebinski visited NAOC • 2001 Dec.19: Grants from NAOC for initialization. • 2002 January: Grants from MPIfR every quarter. • 2002 January: The partner group really starts running!
Foundation of the partner group Purpose: find a way to tighten our cooperation on magnetic fields of galaxies (also our Galaxy). • 2000 Jan. 11: First idea of the partner group by R. Wielebinski • 2000 Feb.15: Application to CAS • 2000 Mar.15: Application to MPG • 2000 Nov.30: Formal approval from MPG, "the Letter of Appointment" for the group leader from the president of MPG • 2001 March 26: Approval from CAS • 2001 April 19: Official opening of the partner group R. Wielebinski visited NAOC • 2001 Dec.19: Grants from NAOC for initialization. • 2002 January: Grants from MPIfR every quarter. • 2002 January: The partner group really starts running! Have to be patient! It takes two years to make the group running!
Activisties of partner group: Scientific Exchanges • 2001 Oct.12-Nov.10: JinLin Han visited MPIfR: for work on pulsars and magnetic fields: some obs of PSR RMs • 2002 May-July: Xizhen Zhang & Xianghua Li visited at MPIfR • 2002 July: Prof. Wielebinski/Dr. Axel Jessner/ Dr. Marita Krause visited NAOC (Beijing) • 2002 July: Prof. Ernst Fuerst / Dr. Wolfgang Reich / Dr. Patricia Reich visited Urumqi and Beijing 2003 SARS problem! • 2003 Dec.15th - 2004 Jan.15th: Prof. JinLin Han and Ms. Hui Men visited MPIfR: RM survey of strong polarized radio sources • 2004 May 27th-June 4th: Prof. Wielebinski visits NAOC: • gave lectures on "The morphology of radio pulsars" and "Observations of warm/cold gas in galaxies" (also lectures in Beijing Normal University and Peking University); • gives instructions/advises for construction of 50m & 40m radio telescope in China. • 2004 Sept.3rd: Dr. Wolfgang Reich visited NAOC: new progress of 6cm system
Activisties of partner group: Scientific Exchanges • 2001 Oct.12-Nov.10: JinLin Han visited MPIfR: for work on pulsars and magnetic fields -- p.21: Invited Review • 2002 May-July: Xizhen Zhang & Xianghua Li visited at MPIfR -- p.59 paper • 2002 July: Prof. Wielebinski/Dr. Axel Jessner/ Dr. Marita Krause visited NAOC (Beijing) -- p.10 proceedings • 2002 July: Prof. Ernst Fuerst / Dr. Wolfgang Reich / Dr. Patricia Reich visited Urumqi and Beijing -- p.10 proceedings 2003 SARS problem! • 2003 Dec.15th - 2004 Jan.15th: Prof. JinLin Han and Ms. Hui Men visited MPIfR: RM survey of strong polarized radio sources • 2004 May 27th-June 4th: Prof. Wielebinski visits NAOC: • gave lectures on "The morphology of radio pulsars" and "Observations of warm/cold gas in galaxies" (also lectures in Beijing Normal University and Peking University); • gives instructions/advises for construction of 50m & 40m radio telescope in China. • 2004 Sept.3rd: Dr. Wolfgang Reich visited NAOC: new progress of 6cm system
Activisties of partner group: Coorganized Meetings • Sino-German conference on radio astronomy: Radio Studies of Galactic Objects, Galaxies, and AGNs • 2001 Dec.: First Announcement • Hosted by the partner group + RW organized German side • 2002 July 18-25 Xi'an, China • 9 German guests and 5 distinguished guests from other countries, as well as 70 (yes!) domestic participants • all enjoyed the hot spring and hot topics • very successful meeting, deeply impressed to all participants • earned a good fame from the Chinese astronomical society • Proceedings published in 6 months! Available on web & ADS! • International Conference:The Magnetized Interstellar Medium • 2003 Sept.8 -12th Antalya, Turkey • MPIfR mainly organized + Han in SOC • J.L. Han and X.H. Sun participated
Activisties of partner group: Urumqi 6 cm system System preparations --- visits from China • 2001 May-June: Hongbo Zhang visited at MPIfR for receiver/antenna details • 2001 Oct. 26: MPG grants for receivers (front-end) approved (55,000 DM+MPIfR matches) • 2002 Oct.1st -Dec.31: Mr. Xiaohui Sun visited MPIfR (for survey software development). • 2002 Nov. 25th -- 2003 May 27th: Mr. Maozhen Chen visited MPIfR (for the construction of the 6cm system). • 2003 July 22th - Oct. 22th: Mr. Xiaohui Sun visited MPIfR (for survey software development). • 2003 Oct.1st - Dec.20th: Mr. Maozhen Chen visited MPIfR (for 6cm system assembly). • The 6cm receiver system: Mission
Activities of partner group: Urumqi 6 cm system 6cm receiver system: Mission • 2004 May/June: Strong efforts to get it in site & extensive attempts for the installation H. Mattes, P. Mueller, O. Lochner visited for 3 weeks! Failed due to lack of some parts and the box-size problem. • 2004 August: Second extensive work at Urumqi • 5th -- 25th: O. Lochner, Mr. J. Klein & T. Lochner for installation. • 12th --29th: Dr. Peter Mueller for software test • 17th -- 28th: Dr. Patricia Reich for software test • 17th -- Sept.2nd: Dr. Wolfgang Reich for the test observations. • 18th/19th: First light of 6cm system: Beam pattern is great! • 30th: Tests results: system temperature ~20k, one of the best over the world!
International Evaluation for the Partner Group of MPIfR at NAOC for Radio Astronomy 2004 Oct.18/19th, Beijing Activisties of partner group: Urumqi 6 cm system
Urumqi 6 cm system --- Thanks a lot for all people involved!Now it is working!
Galactic plane polarization survey at 6cm • Cooperation with • MPIfR • System hardware • & software • almost ok • No data at this • frequency • Less affacted by • foreground RM • Useful for CMB • polarization …. Will finish in 3 years ... MPIfR 6cm receiver 总强度图 偏振强度图 Urumqi 25m telescope
First 6cm images of large SNRs (by Urumqi telescope) 3Ox 3O NAOC : J.L. Han, L. Xiao, X.H. Sun, C. Wang, W.B. Shi MPIFR : W. Reich, P. Reich & R. Wielebinski @2005 4Ox 5O Color: Total intensity Counter: Polarized intensity Bar: magnetic fields 4Ox 4O 4Ox 4O 5Ox 4O 3Ox 3O 3Ox 3O 3Ox 3O
RMs of EGRs for the halo B-field Only about 1000 RMs available in literature upto now... We are using Effelsberg -100m telescope to make a RM survey of 1790 sources, enlarge the cover density by a factor of three in most sky area……
Students in "Research Group of Compact Objects and Diffuse Medium" • PhD students & their projects • Ms. MinZhi Kong (since 2002 Sept.) • --- Accretion physics of black-holes in AGNs • Mr. XiaoHui Sun (since 2003.Feb) • --- 6cm polarization survey on the Galactic plane • --- Physical properties of ISM and magnetic fields • Mr. WeiBin Shi (since 2003 Sept) • --- The structure of our Milky Way Galaxy • --- 6cm polarization survey on the Galactic plane • Mr. JianWen Xu (2004 Sept) • --- Studies of Supernova Remnants • Mr. XiaoPeng You (since 2004 Sept) • --- Pulsar timing and gravitational physics • Ms. Hui Men (since 2004 Sept) • --- Radio continuum emission of NGC2997 • --- ISM in the Galactic halo • Associated PhD students • Mr. JiangShui Zhang (since 2003 Sept.) • --- Magnetic fields and star formation process • Master Students & their projects: • Mr. Chen Wang (Since 2003 Aug) • --- Pulsar observations • Mr. Hui Zhang (since 2003 Aug) • --- Physics of pulsar magnetosphere
Galactic plane polarization survey at 6cmScientific Backgrounds and perspectives--- talk by Wolfgang ReichFirst publishable results --- Cygnus Loop --- talk by Xiaohui SunGround Radiation and Calibration tests--- talk by Chen WangSNRs results--- talks by Jianwen Xu and Li XiaoSome IDV --- talk by Xiang Liu