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Kafe 바로가기주관연구기관 | 한국천문연구원 Korea Astronomy Observatory |
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연구책임자 | 박병곤 |
참여연구자 | 황나래 , 이성호 , 성현일 , 성언창 , 변도영 , 이창원 , 위석오 , 김종수 |
보고서유형 | 최종보고서 |
발행국가 | 대한민국 |
언어 | 한국어 |
발행년월 | 2017-12 |
과제시작연도 | 2017 |
주관부처 | 과학기술정보통신부 Ministry of Science and ICT |
등록번호 | TRKO201800023106 |
과제고유번호 | 1711063869 |
사업명 | 한국천문연구원연구운영비지원 |
DB 구축일자 | 2018-06-30 |
키워드 | 광학천문대.전파천문대.망원경.개발기술.분광기 개발기술.전파수신기 개발기술.Optical Astronomical Observatory.Radio Astronomical Observatory.Telescope Development Technology.Spectrograph Development Technology.Radio Receiver Technology. |
DOI | https://doi.org/10.23000/TRKO201800023106 |
● GMT 국제공동건설에 적극 참여
● GMT 시대를 위한 연구역량 개발 및 인력 양성
● IGRINS의 안정적 과학연구 운영
● 2017A~2018A 시즌 중대형망원경 활용 관측연구 프로그램 모집, 심사, 관측시간 배정 및 수행
● 제1회 중대형망원경 사용자 회의 개최
● 광학적외선 망원경 및 관측기기의 조립정렬과 성능평가를 위한 핵심기술 확보 및 기반시설 구축
● 보현산 / 레몬산 / 소백산천문대 망원경 가동율 99% 이상 달성
● KVN VLBI 관측 운영, 성능 검증 및 한일상관센터 운영
● GMT 국제공동건설에 적극 참여
● GMT 시대를 위한 연구역량 개발 및 인력 양성
● IGRINS의 안정적 과학연구 운영
● 2017A~2018A 시즌 중대형망원경 활용 관측연구 프로그램 모집, 심사, 관측시간 배정 및 수행
● 제1회 중대형망원경 사용자 회의 개최
● 광학적외선 망원경 및 관측기기의 조립정렬과 성능평가를 위한 핵심기술 확보 및 기반시설 구축
● 보현산 / 레몬산 / 소백산천문대 망원경 가동율 99% 이상 달성
● KVN VLBI 관측 운영, 성능 검증 및 한일상관센터 운영
● TRAO 14m 전파망원경 가동율 87.4% 유지 및 레이돔 교체 등 성능 개선
● KVN 광대역 수신기 개발 및 설치
● ALMA total power array용 시제품 제작 및 GPU 분광기 개발 PDR 수행
( 출처 : 보고서 요약서 3p )
Ⅳ. Results
Subproject 1. Korean GMT Project
● Project Management
▪ Hosting monthly project management review meetings 11 times
▪ Hosting a project management workshop
▪ Hosting K-GMT science and instrument working group workshops twice
● International Collaboration
▪ Partici
Ⅳ. Results
Subproject 1. Korean GMT Project
● Project Management
▪ Hosting monthly project management review meetings 11 times
▪ Hosting a project management workshop
▪ Hosting K-GMT science and instrument working group workshops twice
● International Collaboration
▪ Participation of organization and committees
☞ Participation of meetings for GMT board of directors(15 times), governance committee(3 times), finance committee(5 times), and science advisory committees(6 times)
▪ Achievement of 13.8% share through the payment of share in expenses on time
▪ Final selection and contract execution with two companies selected for final design of the telescope mount
▪ Construction of residence area for 250 people on site finished
▪ Casting of the 5th primary mirror segment was done
● Public Promotion
▪ Promotion through the Bulletion of Korean Astronomical Society and the Bulletion of the Korean Space Science Society
▪ Public talks presented at a university and high school
● Operation of Manpower Training Program
▪ Fellowship agreement for KASI-UA program was finalized and hiring of the first fellow was done
▪ Hosting the 7th K-GMT summer school
● Development of GMT Science Cases
▪ The 2nd K-GMT science white paper committee started working
▪ Hosted high resolution spectroscopy workshop
▪ Hosted IGRINS Users’ meeting
▪ Achievement of 99% success for the operation of IGRINS at 2.7m telescope in McDonald observatory and 4.3m Discovery Channel Telescope in Lowell observatory
▪ Front end optics for installation of IGRINS at the Gemini telescope was completed
● Participation to International Survey Projects
▪ Hired a new postdoc for SDSS-IV
▪ Hosted a meeting of LSST science PIs in order to set up a detailed plan for participating scientific activities with LSST
● Technology Development for the Production of Secondary Mirror
▪ Development of quality assurance plans to support FSM fabrication project
● Support to Korean Companies for Participating GMT Construction
▪ Hyundai Heavy Industries decided to participate in the international bidding of enclosure development planned in 2018
Subproject 2. Large Optical Telescope Project for GMT Era
● Science Case Development for Large Optical Telescopes
▪ Operation of Korean TAC to allocate 24 science programs for 2017A/B seasons(Gemini 17 + MMT 7)
▪ Observations of the assigned science programs (completion rate of 60% for Gemini, 58% for MMT)
▪ Korean TAC for 2018A Gemini/MMT observing proposals
▪ Publication of 10 referred papers utilizing K-GMT Science Program (Gemini 4, MMT 4, & CFHT 4)
▪ 1st K-GMT Science Program Users Meeting to expedite the interactions among the community users to enhance the research productivities
● Support Researchers to Develop Capabilities to use Large Optical Telescopes
▪ Delegate observers to conduct observations on-site and to have hands-on experiences
▪ A total of 7 graduate students actively participated in the on-site observations
● International Partnership of Large Optical Telescope Operation
▪ Participation of Gemini Board meetings and Gemini Operation Working Group Meetings to support Korean Gemini researchers with their research activities
▪ On-site training of a Korean staff researcher at Gemini Observatory to obtain Korean user support knowledge and experties
▪ Establishment of collaborative relations with Australian NGO to learn local user support experties and to develop future international collaborations
Subproject 3. Optical and Infrared Telescope and Spectrograph Technology
● Prototyping of guide camera filter wheels for development of G-CLEF
● Prototyping of fiber delivery system for development of G-CLEF
● Case study of AIT procedures and performance evaluation methods for aspheric optical systems
● Experiment of CGH measurement for a large off-axis mirror
● Data processing and error analysis of CGH measurements
● Improvement of clean facilities to evaluate optical systems
● Survey study of high-speed imaging interferometers to evaluate fast moving optical systems
● Technical support for maintenance and upgrade of BOAO and SAO telescopes and instruments
● Optical alignment of BOAO 1m telescope
● Technical support for maintenance of IGRINS infrared spectrograph
● Technical support for maintenance of local and public observatories
Subproject 4. Management of Bohyunsan Optical Astronomical Observatory
● Management of Bohyunsan Optical Astronomy Observatory
▪ Operation ratio : 99.9%
▪ Observation for 119 effective nights of 303 scheduled nights
▪ Publications using 1.8m reflector : SCI 4, domestic 1
▪ Supporting thesis program : PhD and Master course 3
▪ Re-aluminizing of primary & secondary mirrors of 1.8m reflector
▪ Total number of public visitors : ~ 42,300
▪ Held day-time and night-time public programs during the year
● Management of Lemmon Optical Astronomy Observatory
▪ Operation ratio : 100%
▪ Observation for 209 effective nights of 303 scheduled nights
▪ Supporting research program : total 24 programs
▪ Publications using 1m reflector : SCI 4, domestic 1
▪ Cleaning of primary and secondary mirrors of 1m reflector
▪ Replacement of dome motor and controller
▪ CCD Vacuum system modify
▪ Install air compressor
▪ Cleaning CCD window
▪ Install new all sky camera
Subproject 5. Management and Co-Utilization of the Facillities of Sobaeksan Optical Astronomy Observatory (SOAO)
● Operation : 99%
● Observation for 99.7 effective nights of 293 scheduled nights (34.0%)
● Supporting research program : total 21 programs
● Publications using 61cm reflector : 1 SCI papers, 3 non-SCI papers
● Upgrade of the Telescope & Dome control system for remote observations
● Winter School of CCD Photometry and Spectroscopy for under- graduate students.
● 10 Research & education programs for high school students and teachers
● 6 Public Outreach and Education Programs
● Management of SOAO Education Hall : 1,462 visitors of 95 teams
Subproject 6. Management of Korean VLBI Network (KVN)
● KVN VLBI Operation
▪ Total 3,800 hour VLBI operation
▪ KVN and KaVA International Common Use (303 and 473 hours)
▪ Support of three KVN Key Science Programs (1,125h)
▪ Multi-Frequency Calibrator Survey with the KVN (535h)
▪ 8 Gbps mode VLBI Operation (570h, 2/4Gbps mode 180/33h)
▪ KaVA Large Programs (272h)
▪ Global VLBI Observation Support (EVN/GMVA 208h, EAVN 127h)
▪ KVN Single Dish Observation Support (790h)
▪ 13 SCI(E) publications using KVN data
▪ 95.1% Successful Operation Rate and 49.4% Time Rate for External Users
● Performance Evaluation and Improvement for KVN 4-Channel VLBI System
▪ Observation and data reduction for evaluation of multi-frequency P-Cal system
▪ VLBI test observation for evaluation of 32Gbps mode
▪ Evaluation of KVN and KaVA Astrometric Performance (< 1mas)
● Maintenance of KVN Systems
▪ Panel adjustment for Yonsei, Ulsan and Tamna antenna
▪ Improvement of receiver noise temperature for 43GHz receiver in Yonsei station(50K→25K)
▪ Replacement of sub-reflector encorder and reduce error-rate
▪ Confirm the stability of H-maser system
● Management of Korea-Japan Correlation Center
▪ Correlation of KVN, KaVA, and EAVN VLBI Data
▪ Target 10PB ratio Actual results 10.3PB(KVN 6.53PB, KaVA 3.23PB, EAVN 539TB)
▪ KVN data → 2,845h(1Gbps 2,371h, 2-8Gbps 474h)(year 2016: 2,016h)
▪ KaVA data → 963h(year 2016: 1,563h)
▪ EAVN data → 129.2h(year 2016: 32h)
▪ Maintenance/Improvement/Stabilization of Correlator
▪ Development of VLBI Data Reduction Pipeline for Multi-Frequency Phase Transfer
Subproject 7. Management of Taeduk Radio Astronomy Observatory (TRAO)
● International open use of the 14m radio telescope
▪ Making use of 2,241 hour observing times to perform 10 science projects (6 internal and 4 external)
▪ Achieving the operation efficiency of the telescope up to 87.4%
● Beam alignment
▪ Aligning the receiver array to the Antenna beam axis within 2mm range
● Replacement of old system
▪ Installing a new radome and measuring the antenna efficiency (Beam efficiency :45% at 86GHz, 41% at 115GHz)
▪ Installing a new servo system of tracking error <1ʺ and settling time<4sec
● Development of wideband baseband converter : 2 GHz
Subproject 8. Development of Wide Band Cosmic Radio Receiver System
● Development of wide band Kband received and implementation at KVN Yonsei radio telescope
● Development of K band compact feed horn
● Development of K band OMT/phase shifter
● Pre-research of wide band feed horn and polarizer for Q band receiver
● Development of LO using YIG oscillator for K band receiver
● Pre-research of LO using YIG oscillator for W band receiver
● Development of IF signal selector for KVN Yonsei radio telescope
● Development of signal distributor for 1.4GHz reference signal
● Preparation for LNA research
Subproject 9. Multibeam Receiver Development for Atacama Large Millimeter/Submillimeter Array
● Development of the prototype GPU spectrometer using ALMA data generator
● Fabrication of the feed horn and testing performance in return loss and near-field beam patterns that were measured using in-house beam measurement system
● Comparison of effect to receiver noise of ALMA LO system and commercial LO system
( 출처 : SUMMARY 18p )
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과제기간(DetailSeriesProject) : | - |
총연구비 (DetailSeriesProject) : | - |
키워드(keyword) : | - |
과제수행기간(LeadAgency) : | - |
연구목표(Goal) : | - |
연구내용(Abstract) : | - |
기대효과(Effect) : | - |
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