Virtual Observatories in the East Asia Japan, China, Taiwan and Korea

Masatoshi Ohishi / NAOJ & Sokendai
大石雅寿 / 国立天文台 & 総合研究大学院大学
masatoshi.ohishi@nao.ac.jp

August 23, 2007

EAS Symp. #8, JENAM 20071

August 23, 2007

EAS Symp. #8, JENAM 20072

Astronomical Resources in NAOJ
• Subaru 8.2m Optical-Infrared Telescope• Kiso 105cm Schmidt Camera

Nobeyama 45m• Okayama 188cm Optical Telescope• Nobeyama 45m Radio Telescope• Nobeyama Millimeter Array• Nobeyama Radioheliograph• VSOPSubaru• VERA• ALMA

August 23, 2007

EAS Symp. #8, JENAM 20073

Data Resources in JAXA/ISAS• ASCA X-ray astronomy satellite• YOHKO solar physics satellite• Ginga X-ray astronomy satellite• HALCA VLBI satellite• Geotail geomagnetosphere satellite

ASCA• Akebono aurora observation satellite• AKARI Infrared satellite• SUZAKU X-ray satellite• HINODE

Optical Solar
Satellite

August 23, 2007

HALCA
EAS Symp. #8, JENAM 2007

AKARI

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Chinese Resources• Miyun radiotelescope• LAMOST :4000+ fibers• FAST :Chinese SKA• etc.
August 23, 2007

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Korean Resources• Taeduk Radio
Astronomy Obs.:
14 m dish• Bohyunsan Optical
Astronomy Obs.:
1.8 m mirror• Korean Astr. DataCenter
August 23, 2007

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Korean VLBI Network (KVN)- One near Seoul- One at Pohang area
- One at Jeju Island
KVN site: Open touniversities and research
institutes for invitation
Near Completion
Plan to collaborate withJapanese VLBI network
August 23, 2007

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TAOS (Taiwan-America OccultationSurvey) projectAugust 23, 2007

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TAOS• International Collaboration• Detection of KBOs + asteriods• Four telescopes in Taiwan• 2K x 2K CCD in every 0.2 sec
Æ 15-100 GB per night• Plan to generate catalogues• Plan to publish the catalogues via VO
August 23, 2007

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VO Projects in the world• 15 countries and a region (EU)• International Virtual Observatory Alliance (IVOA)
Standards to interoperate VOs
Taiwan is hesitatedto join the IVOA
due to the politicalissue

August 23, 2007

EAS Symp. #8, JENAM 200710

Overview of the JVO Portal Service
LDAP
解析
解析解析Analysis
Servers

GridSystemAuth.

JVO

SDSS

InvokeMDS

PortalSkyNode
1.0…

Web Service
HTTP Get
FTP
LDAPP. Reg.
August 23, 2007

UserStorage

QSO
Subaru2MASSData Service

S. Reg.

Other VOsRegistry
EAS Symp. #8, JENAM 2007

P. Reg.

SIAP/SSAP

SkyNode0.7.4 11August 23, 2007

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Log(F_IR)

MAG_B

August 23, 2007

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Spectral Data from Subaru• queries• display• Baseline
estimate• Linedetection
High Dispersion SpectrometerAugust 23, 2007

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• VOSpec

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Improvement of Work Flow system
FY2006• Improvement of WFDL
– Shorten the volume of DL– Array definition– Awk-like description (loopdescription in a single line)

WF Editor• Built-in functions– Available to register anduse built-in functions• Status and Log system
FY2007• Better User Interface• WF Builder – Taverna /NAREGI
August 23, 2007

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Execution monitor

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– Reduction 10s(Bias+Flat+Distortion+Astrometory)– Transfer 30s

August 23, 2007

Data Reduction:~24 hours Æ ~1 hourEAS Symp. #8, JENAM 200716

Study on Environment around QSOs(Japan VO)

August 23, 2007

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China VO team (NAOC)

August 23, 2007

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Softwares by China VO• VOFilter : VOTableÆ OpenOffice data
• VOIMPAT :image processing
and analysis tool
• SkyMouse :link tool between
data and papers(ADS)
August 23, 2007

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Korea VO (KASI)To provide data fromTRAO 14m
BOAO 1.8m
Yonsei survey
NEO patrol data
CO survey
KVN
GALEXand othersAugust 23, 2007

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Interconnected VO Data services inthe World

Canada VO

China VO

August 23, 2007

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New Moves• Japan VO : R&D phaseÆ operations phase• ALMA Regional Center– ALMA-J/T :Japan + Taiwan– VO functionalities toprovide ALMA users
with easy access not
only to the ALMA databut other data archives
August 23, 2007

EAS Symp. #8, JENAM 2007

© NAOJ

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East Asia Core Observatory
Association (EACOA)JKORCHN

August 23, 2007

TaiwanEAS Symp. #8, JENAM 200723

Collaboration in East Asia
• Sharing the telescope time
• Collaborative construction of small sizetelescopes• VLBI network (J / CHN / KOR)
• Sharing the available data & software
resources through VOs to accelerate
astronomical researches
August 23, 2007

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Merci !

August 23, 2007

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