Kwasan and Hida Observatories, Graduate School of Schience, Kyoto University English





Kwasan observatory Hida observatory Solar image
Postdoctoral Position at Kwasan and Hida Observatories, Kyoto University (15 Nov. 2009)
Applications are invited for a Postdoctoral Researcher in Kwasan and Hida Observatories at Graduate School of Science, Kyoto University. The position is for a study of solar physics and related astrophysics. Applicants should have a PhD in astronomy or physics or related field. Preference will be given to applicants with experience in the use of IDL or other similar data reduction and analysis package in the UNIX environment. Current research in Kwasan and Hida Observatories at Kyoto University has emphasis on optical observations of solar active phenomena (such as vector magnetic field measurements, flares, prominences, emerging flux, granulations, and etc.) by mainly using the 60cm Domeless Solar Vacuum Tower Telescope and the new Solar Magnetic Activity Research Telescope (SMART) at Hida Observatory, analyses of these data comparing with those from space solar missions (such as Hinode), optical observations of stellar flares and transient objects, and numerical simulations of MHD processes in the Sun and related astrophysical objects.

Contract may begin from April 1st, 2010. The contract lasts through March 31st, 2011. The term may be extended up to March 31st, 2013 depending on his/her performance.

The monthly salary is about 300,000 Japanese Yen.

Applicants should send their CV, publication list, and research plan, by e-mail to Prof. K. Shibata (shibata@kwasan.kyoto-u.ac.jp ). by 31 December, 2009. For further information, contact Professor Kazunari Shibata.

Space Weather Research Topics
Evolution of the anemone AR NOAA 10798 and the related geo-effective flares and CMEs
We examine in detail the evolution of an anemone active region (AR) that emerged in a Coronal Hole and the related flares, CMEs, and the geomagnetic storm to elucidate how such a magnetic configuration works to generate a geo-effective flares/CMEs. We found that the fast CMEs are probably a consequence of the eruption inside a Coronal Hole from an sea anemone AR, and discuss the importance of ARs that show the anemone structure for the space weather studies.

Asai, A. et al. (2009)
The Journal of Geophysical Research, 114, A00A21, doi:10.1029/2008JA013291.  

Abstract / Article on web(JGR web-page)

SMART Observation Topics
Three Successive and Interacting Shock Waves Generated by a Solar Flare
We discovered three successive Moreton waves generated by a single solar flare. These waves were observed on 3 August 2005 with Solar Magnetic Activity Research Telescope (SMART) at Hida Observatory of Kyoto University.

Narukage, N. et al.
The Astrophysical Journal Letters, 684: L45--L49 (2008) 

Abstract / Movies
Full article on web(ApJL web-page)

about SMART / SMART Data Archive

Papers about HINODE observations

(1) Chromospheric Anemone Jets as Evidence of Ubiquitous Reconnection
Shibata, K. et al.
Science vol.318, No.5856, pp1591--1594 (2007)   Abstract

Ca II H jet
The Ca II H broadband filter snapshot image of the active region on 17 December 2006 near the west limb, taken with Hinode/SOT. Numerous tiny jets ejected from bright points (arrows) can be seen.

Link to Science web-page   Full article on web / PDF file

(2) Umbral Fine Structures in Sunspots Observed with Hinode Solar Optical Telescope
Kitai, R. et al.
Publ. Astron. Soc. Japan vol.59, No.SP3, ppS585--S591 (2007)

(3) Small-Scale Magnetic-Flux Emergence Observed with Hinode Solar Optical Telescope
Otsuji, K. et al.
Publ. Astron. Soc. Japan vol.59, No.SP3, ppS649--S654 (2007)

Link to PASJ web-page   Title list / Kitai et al. / Otsuji et al.

A Happy New Year 2008 !!
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Kwasan Observatory
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