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 国家天文台中德马普合作伙伴小组 The Partner Group of MPIfR at NAOC 本会议由中德科学中心全额资助 Fully Sponsored by Chinesisch-Deutsches Zentrum f Ü r Wissenschaftstorderung Warm Welcome 热烈欢迎

Cosmos vs Universe? ---- mistake and more thoughts

Sino-German Bilateral Workshop on Radio Astronomy Cosmos Probed by Radio 2005 September 7-14th, Kashi & Urumqi, China 国家天文台中德马普合作伙伴小组 The Partner Group of MPIfR at NAOC Original Idea for the meeting: 1.The Second Sino-German Bilateral Workshop on Radio Astronomy 2.6cm polarization system installed: More cooperation & Discussion 3.To express sincere thanks to all colleagues for long-term support Sino-German Science Center: Chinesisch-Deutsches Zentrum f Ü r Wissenschaftstorderung Fully Supported!

Partner Group of MPIfR at NAOC for Radio Astronomy

Purposes: find a way to tighten our cooperation with MPIfR on magnetic fields of galaxies Magnetic fields in nearby galaxiesMagnetic fields in nearby galaxies Magnetic fields in our GalaxyMagnetic 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 remnantsStudies 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. Wielebinski2000 Jan. 11: First idea of the partner group by R. Wielebinski 2000 Feb.15: Application to CAS2000 Feb.15: Application to CAS 2000 Mar.15: Application to MPG2000 Mar.15: Application to MPG 2000 Nov.30: Formal approval from MPG, "the Letter of Appointment" for the group leader from the president of MPG2000 Nov.30: Formal approval from MPG, "the Letter of Appointment" for the group leader from the president of MPG 2001 March 26: Approval from CAS2001 March 26: Approval from CAS 2001 April 19: Official opening of the partner group2001 April 19: Official opening of the partner group R. Wielebinski visited NAOC R. Wielebinski visited NAOC 2001 Dec.19: Grants from NAOC for initialization.2001 Dec.19: Grants from NAOC for initialization January: Grants from MPIfR every quarter.2002 January: Grants from MPIfR every quarter January: The partner group really starts running!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) Jan. 11: First idea of the partner group by R. Wielebinski2000 Jan. 11: First idea of the partner group by R. Wielebinski 2000 Feb.15: Application to CAS2000 Feb.15: Application to CAS 2000 Mar.15: Application to MPG2000 Mar.15: Application to MPG 2000 Nov.30: Formal approval from MPG, "the Letter of Appointment" for the group leader from the president of MPG2000 Nov.30: Formal approval from MPG, "the Letter of Appointment" for the group leader from the president of MPG 2001 March 26: Approval from CAS2001 March 26: Approval from CAS 2001 April 19: Official opening of the partner group2001 April 19: Official opening of the partner group R. Wielebinski visited NAOC R. Wielebinski visited NAOC 2001 Dec.19: Grants from NAOC for initialization.2001 Dec.19: Grants from NAOC for initialization January: Grants from MPIfR every quarter.2002 January: Grants from MPIfR every quarter January: The partner group really starts running!2002 January: The partner group really starts running! Foundation of the partner group Have to be patient! It takes two years to make the group running!

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 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 Sept.3rd: Dr. Wolfgang Reich visited NAOC: new progress of 6cm system Activisties of partner group: 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 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 Sept.3rd: Dr. Wolfgang Reich visited NAOC: new progress of 6cm system Activisties of partner group: Activisties of partner group: Scientific Exchanges

Sino-German conference on radio astronomy:Sino-German conference on radio astronomy: Radio Studies of Galactic Objects, Galaxies, and AGNs Radio Studies of Galactic Objects, Galaxies, and AGNs –2001 Dec.: First Announcement –Hosted by the partner group + RW organized German side –2002 July 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 MediumInternational 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: Activisties of partner group: Coorganized Meetings

System preparations --- visits from China 2001 May-June: Hongbo Zhang visited at MPIfR for receiver/antenna details2001 May-June: Hongbo Zhang visited at MPIfR for receiver/antenna details 2001 Oct. 26: MPG grants for receivers (front-end) approved2001 Oct. 26: MPG grants for receivers (front-end) approved (55,000 DM+MPIfR matches) (55,000 DM+MPIfR matches) 2002 Oct.1st -Dec.31: Mr. Xiaohui Sun visited MPIfR2002 Oct.1st -Dec.31: Mr. Xiaohui Sun visited MPIfR (for survey software development). (for survey software development) Nov. 25th May 27th: Mr. Maozhen Chen visited MPIfR2002 Nov. 25th May 27th: Mr. Maozhen Chen visited MPIfR (for the construction of the 6cm system). (for the construction of the 6cm system) July 22th - Oct. 22th: Mr. Xiaohui Sun visited MPIfR2003 July 22th - Oct. 22th: Mr. Xiaohui Sun visited MPIfR (for survey software development). (for survey software development) Oct.1st - Dec.20th: Mr. Maozhen Chen visited MPIfR2003 Oct.1st - Dec.20th: Mr. Maozhen Chen visited MPIfR (for 6cm system assembly). (for 6cm system assembly). The 6cm receiver system: MissionThe 6cm receiver system: Mission Activisties of partner group: Activisties 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 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! Activities of partner group: Activities of partner group: Urumqi 6 cm system

International Evaluation for the Partner Group of MPIfR at NAOC for Radio Astronomy 2004 Oct.18/19th, Beijing Activisties of partner group: 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 Urumqi 25m telescope MPIfR 6cm receiver …. Will finish in 3 years... Cooperation with Cooperation with MPIfR MPIfR System hardware System hardware & software & software almost ok almost ok No data at this No data at this frequency frequency Less affacted by Less affacted by foreground RM foreground RM Useful for CMB Useful for CMB polarization polarization 总强度图偏振强度图

3O x 3O3O x 3O3O x 3O3O x 3O 5O x 4O5O x 4O5O x 4O5O x 4O 4O x 5O4O x 5O4O x 5O4O x 5O First 6cm images of large SNRs 3O x 3O3O x 3O3O x 3O3O x 3O 3O x 3O3O x 3O3O x 3O3O x 3O 3O x 3O3O x 3O3O x 3O3O x 3O 4O x 4O4O x 4O4O x 4O4O x 4O 4O x 4O4O x 4O4O x 4O4O x 4O (by Urumqi telescope) NAOC : J.L. Han, L. Xiao, X.H. Sun, C. Wang, W.B. Shi MPIFR : W. Reich, P. Reich & R. Color: Total intensity Counter: Polarized intensity Bar: magnetic fields

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……

RMs of EGRs for the halo B-field

Students in "Research Group of Compact Objects and Diffuse Medium" PhD students & their projects Ms. MinZhi Kong Ms. MinZhi Kong (since 2002 Sept.) --- Accretion physics of black-holes in AGNs Mr. XiaoHui SunMr. XiaoHui Sun (since 2003.Feb) --- 6cm polarization survey on the Galactic plane --- Physical properties of ISM and magnetic fields Mr. WeiBin ShiMr. WeiBin Shi (since 2003 Sept) --- The structure of our Milky Way Galaxy --- 6cm polarization survey on the Galactic plane Mr. JianWen XuMr. JianWen Xu (2004 Sept) --- Studies of Supernova Remnants Mr. XiaoPeng YouMr. XiaoPeng You (since 2004 Sept) --- Pulsar timing and gravitational physics Ms. Hui MenMs. Hui Men (since 2004 Sept) --- Radio continuum emission of NGC ISM in the Galactic halo Associated PhD students Mr. JiangShui Zhang 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 6cm Scientific Backgrounds and perspectives --- talk by Wolfgang Reich First publishable results --- Cygnus Loop --- talk by Xiaohui Sun Ground Radiation and Calibration tests --- talk by Chen Wang SNRs results --- talks by Jianwen Xu and Li Xiao Some IDV --- talk by Xiang Liu