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Paper Abstract and Keywords
Presentation 2009-11-02 10:45
High-Accuracy VLBI Observations for the Lunar Gravity Measurements by SELENE Mission
Qinghui Liu (SHAO), Fuyuhiko Kikuchi, Koji Matsumoto, Sander Goossens, Hideo Hanada (NAOJ), Takahiro Iwata (JAXA), Nobuyuki Kawano (NAOJ) SANE2009-86
Abstract (in Japanese) (See Japanese page) 
(in English) The Japanese lunar mission, SELENE (Kaguya) consists of a main satellite and two small satellites, Rstar and Vstar. In same-beam VLBI observations of Rstar and Vstar, phase fluctuations caused by atmosphere, ionosphere and instruments were reduced to a low level of 1-2 deg, and the differential phase delay between Rstar and Vstar was obtained with a very low error of 2 pico-seconds. We performed orbit determination for Rstar and Vstar, the accuracy was much improved from a few tens meters when using only Doppler and range data, to a level of about 10 m when same-beam VLBI data are also used. In addition, the lunar gravity field model was also improved by combing VLBI data.
Keyword (in Japanese) (See Japanese page) 
(in English) Lunar gravity field / Orbit determination / Same-beam VLBI / SELENE / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 265, SANE2009-86, pp. 21-24, Nov. 2009.
Paper # SANE2009-86 
Date of Issue 2009-10-26 (SANE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SANE  
Conference Date 2009-11-01 - 2009-11-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Fudan University (Shanghai) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) WSANE 2009 (Workshop for Space, Aeronautical and Navigational Electronics) 
Paper Information
Registration To SANE 
Conference Code 2009-11-SANE 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High-Accuracy VLBI Observations for the Lunar Gravity Measurements by SELENE Mission 
Sub Title (in English)  
Keyword(1) Lunar gravity field  
Keyword(2) Orbit determination  
Keyword(3) Same-beam VLBI  
Keyword(4) SELENE  
Keyword(5)  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Qinghui Liu  
1st Author's Affiliation Shanghai Astronomical Ovservatory (SHAO)
2nd Author's Name Fuyuhiko Kikuchi  
2nd Author's Affiliation National Astronomical Observatory (NAOJ)
3rd Author's Name Koji Matsumoto  
3rd Author's Affiliation National Astronomical Observatory (NAOJ)
4th Author's Name Sander Goossens  
4th Author's Affiliation National Astronomical Observatory (NAOJ)
5th Author's Name Hideo Hanada  
5th Author's Affiliation National Astronomical Observatory (NAOJ)
6th Author's Name Takahiro Iwata  
6th Author's Affiliation ISAS/JAXA (JAXA)
7th Author's Name Nobuyuki Kawano  
7th Author's Affiliation National Astronomical Observatory (NAOJ)
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Speaker Author-1 
Date Time 2009-11-02 10:45:00 
Presentation Time 20 minutes 
Registration for SANE 
Paper # SANE2009-86 
Volume (vol) vol.109 
Number (no) no.265 
Page pp.21-24 
#Pages
Date of Issue 2009-10-26 (SANE) 


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