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LITHIUM SIGNED

From planetary birth with aperture masking interferometry to nulling with Lithium Niobate technology

Total Cost €

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EC-Contrib. €

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Partnership

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 LITHIUM project word cloud

Explore the words cloud of the LITHIUM project. It provides you a very rough idea of what is the project "LITHIUM" about.

noise    al    fainter    incisive    2013    amplify    action    lithium    offers    nearly    advantages    techniques    understand    laboratory    et    hd142527    2012    clear    glimpsed    primary    observing    imaging    first    combining    community    detections    2011    planetary    planet    cha    lacour    birth    breakthrough    probing    signal    performance    stellar    generation    paths    nulling    inform    baseline    always    ing    twin    technique    differential    disks    coronagraphy    software    spatial    time    fl    demonstrated    models    expertise    phenomena    accretion    giving    central    cieza    founding    astrophysical    aperture    niobate    optics    dynamic    coverage    reaching    limit    happen    faint    huelamo    diffraction    closure    lambda    bias    interferometry    protostellar    experimental    masking    gaps    realm    create    photon    complete    fourier    limited    sources    experimentations    published    follow    biller    light    2014    accuracy   

Project "LITHIUM" data sheet

The following table provides information about the project.

Coordinator
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS 

Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794
website: www.cnrs.fr

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Project website http://picsat.obspm.fr/
 Total cost 1˙851˙881 €
 EC max contribution 1˙851˙881 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-STG
 Funding Scheme ERC-STG
 Starting year 2015
 Duration (year-month-day) from 2015-03-01   to  2020-02-29

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS FR (PARIS) coordinator 1˙851˙881.00

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 Project objective

Observing the process of planetary accretion is crucial to inform models of planet formation. Most of the key action is expected to happen in the gaps of protostellar disks – a spatial realm over which aperture masking interferometry has demonstrated a unique ability to deliver incisive imaging. Masking offers twin advantages of higher dynamic range at the diffraction limit (lambda/D) than differential imaging, while at the same time giving nearly complete Fourier coverage compared to long baseline interferometry. The founding objective of this proposal is to create expertise and technology to understand the astrophysical phenomena so far only glimpsed in faint detections in stellar gaps such as those published in T Cha (Huelamo et al. 2011), HD142527 (Biller et al. 2012) and FL Cha (Cieza et al. 2013). But the central goal of this project is to further advance the experimental technique. Reaching even higher dynamic range for fainter detections is essential for probing planetary birth. The way to improve the dynamic range is clear: increase the accuracy of the primary closure phase observable. To do so, we will follow two paths. The first will use laboratory experimentations to analyse and understand the sources of bias to the closure phase. The resulting end-product will be better software offered to the community, and better techniques for a next generation of aperture masking devices. The second path is to amplify the closure phase signal by combining nulling with closure phase (Lacour et al. 2014). This second path is the most challenging, but will be an important breakthrough to the field. Nulling is to aperture masking what coronagraphy is to classical imaging. Without a first level of nulling, the aperture masking technique will always be limited by the photon noise due to the stellar light. We propose to build on our experience of Lithium Niobate integrated optics devices to bring aperture masking to a new level of performance in high dynamic range imaging.

 Publications

year authors and title journal last update
List of publications.
2018 Gaspard Duchêne, S Lacour, E Moraux, S Goodwin, J Bouvier
Is stellar multiplicity universal? Tight stellar binaries in the Orion Nebula Cluster
published pages: , ISSN: 0035-8711, DOI: 10.1093/mnras/sty1180
Monthly Notices of the Royal Astronomical Society 2019-11-22
2019 S. Lacour, M. Nowak, J. Wang, O. Pfuhl, F. Eisenhauer, R. Abuter, A. Amorim, N. Anugu, M. Benisty, J. P. Berger, H. Beust, N. Blind, M. Bonnefoy, H. Bonnet, P. Bourget, W. Brandner, A. Buron, C. Collin, B. Charnay, F. Chapron, Y. Clénet, V. Coudé du Foresto, P. T. de Zeeuw, C. Deen, R. Dembet, J. Dexter, G. Duvert, A. Eckart, N. M. Förster Schreiber, P. Fédou, P. Garcia, R. Garcia Lopez, F. Ga
First direct detection of an exoplanet by optical interferometry
published pages: L11, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201935253
Astronomy & Astrophysics 623 2019-11-22
2019 R. Claudi, A.-L. Maire, D. Mesa, A. Cheetham, C. Fontanive, R. Gratton, A. Zurlo, H. Avenhaus, T. Bhowmik, B. Biller, A. Boccaletti, M. Bonavita, M. Bonnefoy, E. Cascone, G. Chauvin, A. Delboulbé, S. Desidera, V. D’Orazi, P. Feautrier, M. Feldt, F. Flammini Dotti, J. H. Girard, E. Giro, M. Janson, J. Hagelberg, M. Keppler, T. Kopytova, S. Lacour, A.–M. Lagrange, M. Langlois, J. Lannier, H. Le
SPHERE dynamical and spectroscopic characterization of HD 142527B
published pages: A96, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201833990
Astronomy & Astrophysics 622 2019-11-22
2019 S. Lacour, R. Dembet, R. Abuter, P. Fédou, G. Perrin, É. Choquet, O. Pfuhl, F. Eisenhauer, J. Woillez, F. Cassaing, E. Wieprecht, T. Ott, E. Wiezorrek, K. R. W. Tristram, B. Wolff, A. Ramírez, X. Haubois, K. Perraut, C. Straubmeier, W. Brandner, A. Amorim
The GRAVITY fringe tracker
published pages: A99, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201834981
Astronomy & Astrophysics 624 2019-11-22
2016 Paul A. Boley, Stefan Kraus, Willem-Jan de Wit, Hendrik Linz, Roy van Boekel, Thomas Henning, Sylvestre Lacour, John D. Monnier, Bringfried Stecklum, Peter G. Tuthill
A multi-wavelength interferometric study of the massive young stellar object IRAS 13481-6124
published pages: A78, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201527502
Astronomy & Astrophysics 586 2019-05-29
2017 R. Abuter, M. Accardo, A. Amorim, N. Anugu, G. Ávila, N. Azouaoui, M. Benisty, J. P. Berger, N. Blind, H. Bonnet, P. Bourget, W. Brandner, R. Brast, A. Buron, L. Burtscher, F. Cassaing, F. Chapron, É. Choquet, Y. Clénet, C. Collin, V. Coudé du Foresto, W. de Wit, P. T. de Zeeuw, C. Deen, F. Delplancke-Ströbele, R. Dembet, F. Derie, J. Dexter, G. Duvert, M. Ebert, A. Eckart, F. Eisenhauer, M. Esselborn, P. Fédou, G. Finger, P. Garcia, C. E. Garcia Dabo, R. Garcia Lopez, E. Gendron, R. Genzel, S. Gillessen, F. Gonte, P. Gordo, M. Grould, U. Grözinger, S. Guieu, P. Haguenauer, O. Hans, X. Haubois, M. Haug, F. Haussmann, Th. Henning, S. Hippler, M. Horrobin, A. Huber, Z. Hubert, N. Hubin, C. A. Hummel, G. Jakob, A. Janssen, L. Jochum, L. Jocou, A. Kaufer, S. Kellner, S. Kendrew, L. Kern, P. Kervella, M. Kiekebusch, R. Klein, Y. Kok, J. Kolb, M. Kulas, S. Lacour, V. Lapeyrère, B. Lazareff, J.-B. Le Bouquin, P. Lèna, R. Lenzen, S. Lévêque, M. Lippa, Y. Magnard, L. Mehrgan, M. Mellein, A. Mérand, J. Moreno-Ventas, T. Moulin, E. Müller, F. Müller, U. Neumann, S. Oberti, T. Ott, L. Pallanca, J. Panduro, L. Pasquini, T. Paumard, I. Percheron, K. Perraut, G. Perrin, A. Pflüger, O. Pfuhl, T. Phan Duc, P. M. Plewa, D. Popovic, S. Rabien, A. Ramírez, J. Ramos, C. Rau, M. Riquelme, R.-R. Rohloff, G. Rousset, J. Sanchez-Bermudez, S. Scheithauer, M. Schöller, N. Schuhler, J. Spyromilio, C. Straubmeier, E. Sturm, M. Suarez, K. R. W. Tristram, N. Ventura, F. Vincent, I. Waisberg, I. Wank, J. Weber, E. Wieprecht, M. Wiest, E. Wiezorrek, M. Wittkowski, J. Woillez, B. Wolff, S. Yazici, D. Ziegler, G. Zins
First light for GRAVITY: Phase referencing optical interferometry for the Very Large Telescope Interferometer
published pages: A94, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201730838
Astronomy & Astrophysics 602 2019-05-29
2017 Guillaume Schworer, Sylvestre Lacour, Nuria Huélamo, Christophe Pinte, Gaël Chauvin, Vincent Coudé du Foresto, David Ehrenreich, Julien Girard, Peter Tuthill
A Resolved and Asymmetric Ring of PAHs within the Young Circumstellar Disk of IRS 48
published pages: 77, ISSN: 1538-4357, DOI: 10.3847/1538-4357/aa74b7
The Astrophysical Journal 842/2 2019-05-29
2016 J. Sanchez-Bermudez, C. A. Hummel, P. Tuthill, A. Alberdi, R. Schödel, S. Lacour, T. Stanke
Unveiling the near-infrared structure of the massive-young stellar object NGC 3603 IRS 9A* with sparse aperture masking and spectroastrometry
published pages: A117, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201425319
Astronomy & Astrophysics 588 2019-05-29
2016 L. Gauchet, S. Lacour, A.-M. Lagrange, D. Ehrenreich, M. Bonnefoy, J. H. Girard, A. Boccaletti
Sparse aperture masking at the VLT
published pages: A31, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201526404
Astronomy & Astrophysics 595 2019-05-29
2015 N. Jovanovic, F. Martinache, O. Guyon, C. Clergeon, G. Singh, T. Kudo, V. Garrel, K. Newman, D. Doughty, J. Lozi, J. Males, Y. Minowa, Y. Hayano, N. Takato, J. Morino, J. Kuhn, E. Serabyn, B. Norris, P. Tuthill, G. Schworer, P. Stewart, L. Close, E. Huby, G. Perrin, S. Lacour, L. Gauchet, S. Vievard, N. Murakami, F. Oshiyama, N. Baba, T. Matsuo, J. Nishikawa, M. Tamura, O. Lai, F. Marchis, G. Duchene, T. Kotani, J. Woillez
The Subaru Coronagraphic Extreme Adaptive Optics System: Enabling High-Contrast Imaging on Solar-System Scales
published pages: 890-910, ISSN: 0004-6280, DOI: 10.1086/682989
Publications of the Astronomical Society of the Pacific 127/955 2019-05-29
2017 Aglaé Kellerer, Sidney Wright, Sylvestre Lacour
Coherence and information in a fiber interferometer
published pages: 6-13, ISSN: 0002-9505, DOI: 10.1119/1.4964358
American Journal of Physics 85/1 2019-05-29
2016 S. Lacour, B. Biller, A. Cheetham, A. Greenbaum, T. Pearce, S. Marino, P. Tuthill, L. Pueyo, E. E. Mamajek, J. H. Girard, A. Sivaramakrishnan, M. Bonnefoy, I. Baraffe, G. Chauvin, J. Olofsson, A. Juhasz, M. Benisty, J.-U. Pott, A. Sicilia-Aguilar, T. Henning, A. Cardwell, S. Goodsell, J. R. Graham, P. Hibon, P. Ingraham, Q. Konopacky, B. Macintosh, R. Oppenheimer, M. Perrin, F. Rantakyrö, N. Sadakuni, S. Thomas
An M-dwarf star in the transition disk of Herbig HD 142527
published pages: A90, ISSN: 0004-6361, DOI: 10.1051/0004-6361/201527863
Astronomy & Astrophysics 590 2019-05-29
2016 M. Nowak, S. Lacour, V. Lapeyrère, L. David, A. Crouzier, C. Dufoing, H. Faiz, T. Lemoult, P. Trébuchet
Reaching sub-milimag photometric precision on Beta Pictoris with a nanosat: the PicSat mission
published pages: 99044L, ISSN: , DOI: 10.1117/12.2232508
Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave 2019-05-29
2015 P. N. Stewart, P. G. Tuthill, J. D. Monnier, M. J. Ireland, M. M. Hedman, P. D. Nicholson, S. Lacour
The weather report from IRC+10216: evolving irregular clouds envelop carbon star
published pages: 3102-3109, ISSN: 0035-8711, DOI: 10.1093/mnras/stv2454
Monthly Notices of the Royal Astronomical Society 455/3 2019-05-29

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