Peggy Varniere

Présentation

Publications

Article dans une revue (38)

A simple toy model for the electromagnetic variability of lump-dominated circumbinary disks around binary black holes Raphaël Mignon-Risse,Peggy Varniere,Fabien Casse Astronomy & Astrophysics - A&A, 2025, 704, pp.A299. ⟨10.1051/0004-6361/202554928⟩ Article dans une revue hal-05346845v1
Quasi-periodic oscillations are more than timing features: applying the accretion-ejection instability in super massive black-holes P. Varniere Astronomical Notes / Astronomische Nachrichten, 2023, 344, pp.e220131. ⟨10.1002/asna.20220131⟩ Article dans une revue hal-03949156v1
Living on the edge: Rossby wave instability and HFQPOs in black hole binaries P. Varniere,F. H. Vincent,F. Casse Astronomy & Astrophysics - A&A, 2020, 638, pp.A33. ⟨10.1051/0004-6361/202037816⟩ Article dans une revue cea-02861248v1
Rossby wave instability and high-frequency quasi-periodic oscillations in accretion discs orbiting around black holes P. Varniere,F. Casse,F. H. Vincent Astronomy & Astrophysics - A&A, 2019, 625, pp.A116. ⟨10.1051/0004-6361/201935208⟩ Article dans une revue cea-02137307v1
Reproducing the correlations of the C low-frequency quasi-periodic oscillation parameters in XTE J1550-564 with a spiral structure Peggy Varnière,Frédéric Vincent The Astrophysical Journal, 2017, 834 (2), pp.188. ⟨10.3847/1538-4357/834/2/188⟩ Article dans une revue hal-02186715v1
A possible imprint of quasi-periodic oscillations in the X-ray spectra of black hole binaries P. Varniere,R. Mignon-Risse,J. Rodriguez Astronomy & Astrophysics - A&A, 2016, 586, pp.L6. ⟨10.1051/0004-6361/201527906⟩ Article dans une revue cea-01430175v1
Relativistic astrophysics at GR20 Ilya Mandel,M. Coleman Miller,Bobomurat Ahmedov,Cosimo Bambi,Christopher Berryet al. General Relativity and Gravitation, 2014, 46 (5), pp.1688. ⟨10.1007/s10714-014-1688-0⟩ Article dans une revue hal-02552278v1
Distinguishing an ejected blob from alternative flare models at the Galactic centre with GRAVITY F. H. Vincent,T. Paumard,Guy Perrin,P. Varniere,F. Casseet al. Monthly Notices of the Royal Astronomical Society, 2014, 441 (4), pp.3477-3487. ⟨10.1093/mnras/stu812⟩ Article dans une revue hal-00983424v1
Flux Modulation from the Rossby Wave Instability in microquasars accretion disks: toward a HFQPO model F.H. Vincent,H. Meheut,P. Varniere,T. Paumard Astronomy & Astrophysics - A&A, 2013, 551, pp.A54. ⟨10.1051/0004-6361/201220695⟩ Article dans une revue in2p3-00771300v1
Dust-trapping Rossby vortices in protoplanetary disks H. Meheut,Z. Meliani,P. Varniere,W. Benz Astronomy & Astrophysics - A&A, 2012, 545, pp.A134. ⟨10.1051/0004-6361/201219794⟩ Article dans une revue hal-00736574v1
A possible interpretation for the apparent differences in LFQPO types in microquasars P. Varniere,Michel Tagger,J Rodriguez Astronomy & Astrophysics - A&A, 2012, 545, pp.A40 1à 8. ⟨10.1051/0004-6361/201116698⟩ Article dans une revue insu-01169808v1
The puzzling harmonic behavior of the Cathedral QPO in XTE J1859+226 J. Rodriguez,P. Varniere The Astrophysical Journal, 2011, 735 (2), pp.79. ⟨10.1088/0004-637X/735/2/79⟩ Article dans une revue hal-00649341v1
Constraining the structure of the planet-forming region in the disk of the Herbig Be star HD 100546 E. Tatulli,M. Benisty,F. Ménard,P. Varniere,C. Martin-Zaidiet al. Astronomy & Astrophysics - A&A, 2011, 531, pp.A1. ⟨10.1051/0004-6361/201016165⟩ Article dans une revue hal-00649342v1
A microquasar classification from a disk instability perspective P. Varniere,Michel Tagger,J. Rodriguez Astronomy & Astrophysics - A&A, 2011, 525, A87 (7 p.). ⟨10.1051/0004-6361/201015028⟩ Article dans une revue in2p3-00691891v1
Rossby wave instability and three-dimensional vortices in accretion disks H. Meheut,F. Casse,P. Varniere,Michel Tagger Astronomy & Astrophysics - A&A, 2010, 516, pp.31. ⟨10.1051/0004-6361/201014000⟩ Article dans une revue hal-00684062v1
Simulating Magnetohydrodynamical Flow with Constrained Transport and Adaptive Mesh Refinement: Algorithms and Tests of the AstroBEAR Code Andrew J. Cunningham,Adam Frank,P. Varniere,Sorin Mitran,Thomas W. Jones The Astrophysical Journal Supplement, 2009, 182, pp.519-542. ⟨10.1088/0067-0049/182/2/519⟩ Article dans une revue hal-00705274v1
Quasi-Periodic Oscillation Frequency-Color Radius Connection in GRS 1915+105: A Possible Turnover Supporting Accretion-Ejection Instability Predictions V.J. Mikles,P. Varniere,S.S. Eikenberry,J. Rodriguez,D. Rothstein The Astrophysical Journal Letters, 2009, 694, pp.L132-L135. ⟨10.1088/0004-637X/694/2/L132⟩ Article dans une revue in2p3-00371810v1
Empirical relation between angular momentum transport and thermal-to-magnetic pressure ratio in shearing box simulations E. G. Blackman,R. F. Penna,P. Varnière New Astronomy, 2008, 13, pp.244. ⟨10.1016/j.newast.2007.10.004⟩ Article dans une revue hal-00398434v1
Two Years of INTEGRAL monitoring of GRS 1915+105 Part 2: X-Ray Spectro-Temporal Analysis J. Rodriguez,S. E. Shaw,D. C. Hannikainen,T. Belloni,S. Corbelet al. The Astrophysical Journal, 2008, 675, pp.1449-1458. ⟨10.1086/527372⟩ Article dans une revue in2p3-00295739v1
Empirical relation between angular momentum transport and thermal-to-magnetic pressure ratio in shearing box simulations E.G. Blackman,R.F. Penna,P. Varniere New Astronomy, 2008, 13, pp.244-251. ⟨10.1016/J.NEWAST.2007.10.004⟩ Article dans une revue hal-00705277v1
Two years of INTEGRAL monitoring of GRS 1915+105 Part 1: multiwavelength coverage with INTEGRAL, RXTE, and the Ryle radio Telescope J. Rodriguez,D. C. Hannikainen,S. E. Shaw,G. Pooley,S. Corbelet al. The Astronomical Journal, 2008, 675, pp.1436-1448. ⟨10.1086/527369⟩ Article dans une revue in2p3-00295716v1
Magnetic Fields in Stellar Jets P. Hartigan,A. Frank,P. Varniere,E.G. Blackman The Astrophysical Journal, 2007, 661, pp.910-918. ⟨10.1086/513499⟩ Article dans une revue hal-00176037v1
Accretion-Ejection Instability, MHD Rossby Wave Instability, diskoseismology, and the high-frequency QPO of microquasars Michel Tagger,P. Varniere The Astrophysical Journal, 2006, 652, pp.1457-1465 Article dans une revue in2p3-00130172v1
Planets Rapidly Create Holes in Young Circumstellar Disks P. Varnière,Eric G. Blackman,A. Frank,Alice C. Quillen The Astrophysical Journal, 2006, 640, pp.1110-1114. ⟨10.1086/498933⟩ Article dans une revue hal-00176036v1
Reviving Dead Zones in Accretion Disks by Rossby Vortices at their Boundaries P. Varnière,Michel Tagger Astronomy & Astrophysics - A&A, 2006, 446, pp.L13-L16. ⟨10.1051/0004-6361:200500226⟩ Article dans une revue in2p3-00025151v1
Accretion-Ejection Instability, MHD Rossby Wave Instability, Diskoseismology, and the High-Frequency QPOs of Microquasars Michel Tagger,P. Varnière The Astrophysical Journal, 2006, 652, pp.1457. ⟨10.1086/508318⟩ Article dans une revue hal-00398289v1
Observational Properties of Protoplanetary Disk Gaps P. Varniere,J. E. Bjorkman,Adam Frank,Alice C. Quillen,A. C. Carciofiet al. The Astrophysical Journal, 2006, 637, pp.L125-L128. ⟨10.1086/500584⟩ Article dans une revue hal-00176035v1
Magnetic floods: a scenario for the variability of the microquasar GRS 1915+105 Michel Tagger,P. Varniere,J. Rodriguez,R. Pellat The Astrophysical Journal, 2005, 607, pp.410-419 Article dans une revue in2p3-00025129v1
Evolution and Fragmentation of Wide-Angle Wind Driven Molecular Outflows Andrew Cunningham,Adam Frank,P. Varnière,Alexei Poludnenko,Sorin Mitranet al. Astrophysics and Space Science, 2005, 298, pp.317-322. ⟨10.1007/s10509-005-3961-x⟩ Article dans une revue hal-00398194v1
Flux modulation from non-axisymmetric structures in accretion discs P. Varniere,Eric G. Blackman New Astronomy, 2005, 11, pp.43-51. ⟨10.1016/J.NEWAST.2005.05.005⟩ Article dans une revue hal-00176034v1
A Simple Idea for the Changing Sign of the Lag in Microquasars P. Varnière Chinese Journal of Astronomy and Astrophysics, 2005, pp.325-330 Article dans une revue hal-00398193v1
A simple model for the complex lag structure of microquasars P. Varniere Astronomy & Astrophysics - A&A, 2005, 434 (1), pp.L5-L8. ⟨10.1051/0004-6361:200500096⟩ Article dans une revue hal-00176030v1
Driving Spiral Arms in the Circumstellar Disks of HD 100546 and HD 141569A Alice C. Quillen,P. Varnière,Ivan Minchev,Adam Frank The Astronomical Journal, 2005, 129, pp.2481-2495. ⟨10.1086/428954⟩ Article dans une revue hal-00176032v1
The Evolution of Protoplanetary Disk Edges P. Varniere,A.C. Quillen,A. Frank The Astrophysical Journal, 2004, 612, pp.1152-1162. ⟨10.1086/422542⟩ Article dans une revue hal-00176026v1
On the Planet and the Disk of COKU TAURI/4 Alice C. Quillen,Eric G. Blackman,Adam Frank,P. Varniere The Astrophysical Journal, 2004, 612, pp.L137-L140. ⟨10.1086/424693⟩ Article dans une revue hal-00176028v1
Accretion-ejection instability and QPO in black hole binaries I. Observations J. Rodriguez,P. Varnière,Michel Tagger,Ph. Durouchoux Astronomy & Astrophysics - A&A, 2002, 387, pp.487-496. ⟨10.1051/0004-6361:20000524⟩ Article dans une revue hal-00176021v1
Accretion-Ejection Instability in magnetized disks: Feeding the corona with Alfvén waves P. Varnière,Michel Tagger Astronomy & Astrophysics - A&A, 2002, 394, pp.329-338. ⟨10.1051/0004-6361:20021135⟩ Article dans une revue hal-00176023v1
Accretion-ejection instability and QPO in black-hole binaries. II. Relativistic effects P. Varniere,J. Rodriguez,Michel Tagger Astronomy & Astrophysics - A&A, 2002, 387, pp.497-506. ⟨10.1051/0004-6361:20020401⟩ Article dans une revue hal-00176018v1

Communication dans un congrès (6)

The LOFT mission concept: a status update M. Feroci,E. Bozzo,S. Brandt,M. Hernanz,M. van Der Kliset al. Proceedings of the SPIE,, Jun 2016, Edinburgh, United Kingdom. ⟨10.1117/12.2233161⟩ Communication dans un congrès hal-01400682v1
The Large Observatory For x-ray Timing M. Feroci,J. W. Den Herder,E. Bozzo,D. Barret,S. Brandtet al. Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray,, 2014, Montreal, Canada. ⟨10.1117/12.2055913⟩ Communication dans un congrès hal-01061614v1
The silicon micro-strip detector plane for the LOFT/Wide Field Monitor A. Goldwurm,P. Ferrando,D. Götz,Philippe Laurent,F. Lebrunet al. Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, Jun 2012, Amsterdam, Netherlands. pp.8443-89 Communication dans un congrès hal-00736586v1
LOFT: the Large Observatory For X-ray Timing M. Feroci,J. W. Den Herder,E. Bozzo,D. Barret,S. Brandtet al. Space Telescopes and Instrumentation 2012: Ultraviolet to Gamma Ray, Jul 2012, Amsterdam, Netherlands. pp.85, ⟨10.1117/12.926310⟩ Communication dans un congrès hal-00732888v1
The COSPIX mission: focusing on the energetic and obscured Universe P. Ferrando,A. Goldwurm,Philippe Laurent,O. Limousin,V. Beckmannet al. 25th Texas Symposium on Relativistic Astrophysics (TEXAS 2010), Dec 2010, Heidelberg, Germany. pp.254, ⟨10.22323/1.123.0254⟩ Communication dans un congrès hal-00715281v1
The Rossby wave instability and planet formation: 3D numerical simulations H. Méheut,F. Casse,P. Varniere,Michel Tagger Semaine de l'Astrophysique Française - Journées de la SF2A 2008, 2008, Paris, France. pp.417 Communication dans un congrès in2p3-00368009v1