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STEPS postdoctoral position on "Filtering high-precision velocimetric data from magnetic activity"

Par Jean-Francois Donati - 24/04/2015


STEPS postdoctoral position on "Filtering high-precision velocimetric data from magnetic activity"

Practical information

deadline for application : June 15th, 2015
Job category : post-doctoral positions / fellowships
Duration : 2 yr - renewable for 1 yr
Institute / Company name : Institut de Recherche en Astrophysique et Planétologie (IRAP) / Observatoire Midi-Pyrénées (OMP) / Université Fédérale Toulouse Midi-Pyrénées (UFTMiP)
Address : IRAP / OMP / UFTMiP, 14 avenue Belin, F-31400 Toulouse, France
Attention to : Drs JF Donati & G Hussain emails for contact & submissions : jean-francois.donati @ irap . omp . eu + ghussain @ eso . org

Job description

Applications are invited for a 2yr postdoctoral position (potentially renewable for 1yr) in observational stellar astrophysics at IRAP / OMP / UFTMiP. The successful candidate will work with Drs JF Donati (CNRS/IRAP/OMP/UFTMiP) and G Hussain (ESO, Chaire d’Attractivité at UFTMiP) on radial velocity (RV) studies of moderately active M dwarfs using spectropolarimetry as a novel way to diagnose and characterize activity within the framework of SPIRou - the new generation nIR velocimeter / spectropolarimeter managed by and in construction at IRAP / OMP / UFTMiP, to be implemented at CFHT in 2017.

The work will focus on studying the jitter that activity induces in the RV curves of slowly rotating M dwarfs. More specifically, the goal is to investigate how much the filtering of the RV jitter can be improved by characterizing the large-scale magnetic fields of the hosts (through spectropolarimetry), in order to ease the detection of low-mass planets. This study will involve the analysis of spectropolarimetric / velocimetric data sets collected with HARPS-Pol on the ESO 3.6m telescope, and later on with SPIRou once implemented on CFHT.

We are seeking a highly motivated researcher specialized in observational stellar astrophysics. Prior experience in the following areas is strongly preferred : spectropolarimetry, stellar surface imaging, stellar magnetic fields and velocimetry. Applicants should send their complete CV with full publication list, along with their long-term research project, to jean-francois.donati @ irap . omp . eu and ghussain @ eso . org by 2015 June 15th.

Located in Toulouse, in south-west France, IRAP / OMP / UFTMiP provides a thrilling and productive research environment, with more than 250 persons (scientists, engineers, admin, postdocs, students) working in most domains of astrophysics, from cosmology to planetology and astrochemistry, and from theoretical research to instrumentation.

For more information on SPIRou, visit the SPIRou web site



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