Knight Prize

Knight Prize Christophe Pichon (1992) University of Cambridge & Clare College.

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PhD

Dynamics of self gravitating disks Christophe Pichon (1994) University of Cambridge & Clare College.

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Habilitation

Mécanismes de structuration gravitationnelle : théorie et estimation Christophe Pichon (2009) Université Pierre & Marie Curie et Institut d'Astrophysique de Paris (55 Megs).

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Publications

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Main Publications (< 2009)

[1] Aracil, B., Petitjean, P., Pichon, C., & Bergeron, J. 2004, Astronomy and Astrophysics Metals in the intergalactic medium

[2] Aubert, D., Pichon, C., & Colombi, S. 2004, Monthly Notices of the Royal Astronomical Society The origin and implications of dark matter anisotropic cosmic infall on ~L* haloes

[3] Aubert, Dominique & Pichon, Christophe 2007, Monthly Notices of the Royal Astronomical Society Dynamical flows through dark matter haloes - II. One- and two-point statistics at the virial radius

[4] Bergeron, J., Aracil, B., Petitjean, P., & Pichon, C. 2002, Astronomy and Astrophysics The warm-hot intergalactic medium at z ~ 2.2: Metal enrichment and ionization source

[5] Bicak, J., Bell, D. Lynden, & Pichon, C. 1993, Monthly Notices of the Royal Astronomical Society Relativistic Discs and Flat Galaxy Models

[6] Bienayme, O. & Pichon, C. 1997, Astronomy and Astrophysics Comment on the dispersion-velocity of galactic dark matter particles.

[7] Caucci, S., Colombi, S., Pichon, C., Rollinde, E., Petitjean, P., & Sousbie, T. 2008, Monthly Notices of the Royal Astronomical Society Recovering the topology of the intergalactic medium at z ~ 2

[8] Colombi, Stéphane, Jaffe, Andrew, Novikov, Dmitri, & Pichon, Christophe 2009, Monthly Notices of the Royal Astronomical Society Accurate estimators of power spectra in N-body simulations

[9] Coppolani, F., Petitjean, P., Stoehr, F., Rollinde, E., Pichon, C., Colombi, S., Haehnelt, M. G., Carswell, B., & Teyssier, R. 2006, Monthly Notices of the Royal Astronomical Society Transverse and longitudinal correlation functions in the intergalactic medium from 32 close pairs of high-redshift quasars

[10] Creze, M., Chereul, E., Bienayme, O., & Pichon, C. 1998, Astronomy and Astrophysics The distribution of nearby stars in phase space mapped by Hipparcos. I. The potential well and local dynamical mass

[11] Dekel, A., Birnboim, Y., Engel, G., Freundlich, J., Goerdt, T., Mumcuoglu, M., Neistein, E., Pichon, C., Teyssier, R., & Zinger, E. 2009, Nature Cold streams in early massive hot haloes as the main mode of galaxy formation

[12] Durret, F., Gerbal, D., Lobo, C., & Pichon, C. 1999, Astronomy and Astrophysics The rich cluster of galaxies ABCG 85. IV. Emission line galaxies, luminosity function and dynamical properties

[13] Genzel, R., Pichon, C., Eckart, A., Gerhard, O. E., & Ott, T. 2000, Monthly Notices of the Royal Astronomical Society Stellar dynamics in the Galactic Centre: proper motions and anisotropy

[14] Le Borgne, D., Elbaz, D., Ocvirk, P., & Pichon, C. 2009, Astronomy and Astrophysics Cosmic star-formation history from a non-parametric inversion of infrared galaxy counts

[15] Maciejewski, M., Colombi, S., Alard, C., Bouchet, F., & Pichon, C. 2009, Monthly Notices of the Royal Astronomical Society Phase-space structures - I. A comparison of 6D density estimators

[16] Ocvirk, P., Pichon, C., Lançon, A., & Thiébaut, E. 2006, Monthly Notices of the Royal Astronomical Society STECMAP: STEllar Content from high-resolution galactic spectra via Maximum A Posteriori

[17] Ocvirk, P., Pichon, C., Lançon, A., & Thiébaut, E. 2006, Monthly Notices of the Royal Astronomical Society STECKMAP: STEllar Content and Kinematics from high resolution galactic spectra via Maximum A Posteriori

[18] Ocvirk, P., Pichon, C., & Teyssier, R. 2008, Monthly Notices of the Royal Astronomical Society Bimodal gas accretion in the Horizon-MareNostrum galaxy formation simulation

[19] Ocvirk, Pierre, Lançon, Ariane, Pichon, Christophe, Prugniel, Philippe, Le Borgne, Damien, Rocca-Volmerange, Brigitte, Fioc, Michel, Soubiran, Caroline, & Thiébaut, Eric 2003, Astrophysics and Space Science High resolution spectra of galaxies

[20] Peirani, S., Alard, C., Pichon, C., Gavazzi, R., & Aubert, D. 2008, Monthly Notices of the Royal Astronomical Society Numerical investigation of lens models with substructures using the perturbative method

[21] Pichon, C. & Bernardeau, F. 1999, Astronomy and Astrophysics Vorticity generation in large-scale structure caustics

[22] Pichon, C. & Cannon, R. C. 1997, Monthly Notices of the Royal Astronomical Society Numerical linear stability analysis of round galactic discs

[23] Pichon, C. & Lynden-Bell, D. 1996, Monthly Notices of the Royal Astronomical Society Equilibria of flat and round galactic discs

[24] Pichon, C. & Lynden-Bell, D. 1996, Monthly Notices of the Royal Astronomical Society New sources for Kerr and other metrics: rotating relativistic discs with pressure support

[25] Pichon, C., Siebert, A., & Bienaymé, O. 2002, Monthly Notices of the Royal Astronomical Society On the kinematic deconvolution of the local neighbourhood luminosity function

[26] Pichon, C. & Sousbie, T. 2007, Pour la Science Cartographier l'Univers.

[27] Pichon, C. & Thiebaut, E. 1998, Monthly Notices of the Royal Astronomical Society Non-parametric reconstruction of distribution functions from observed galactic discs

[28] Pichon, C., Vergely, J. L., Rollinde, E., Colombi, S., & Petitjean, P. 2001, Monthly Notices of the Royal Astronomical Society Inversion of the Lyman α forest: three-dimensional investigation of the intergalactic medium

[29] Pichon, Christophe & Aubert, Dominique 2006, Monthly Notices of the Royal Astronomical Society Dynamical flows through dark matter haloes: inner perturbative dynamics, secular evolution and applications

[30] Pichon, Christophe, Scannapieco, Evan, Aracil, Bastien, Petitjean, Patrick, Aubert, Dominique, Bergeron, Jacqueline, & Colombi, Stéphane 2003, Astrophysical Journal The Clustering of Intergalactic Metals

[31] Pichon, C., Thiébaut, E., Prunet, S., Benabed, K., Colombi, S., Sousbie, T., & Teyssier, R. 2009, Monthly Notices of the Royal Astronomical Society ASKI: full-sky lensing map-making algorithms

[32] Pogosyan, D., Pichon, C., Gay, C., Prunet, S., Cardoso, J. F., Sousbie, T., & Colombi, S. 2009, Monthly Notices of the Royal Astronomical Society The local theory of the cosmic skeleton

[33] Pogosyan, Dmitry, Gay, Christophe, & Pichon, Christophe 2009, Physical Review D Invariant joint distribution of a stationary random field and its derivatives: Euler characteristic and critical point counts in 2 and 3D

[34] Prunet, S., Pichon, C., Aubert, D., Pogosyan, D., Teyssier, R., & Gottloeber, S. 2008, Astrophysical Journal Supplement Series Initial Conditions For Large Cosmological Simulations

[35] Rollinde, E., Petitjean, P., & Pichon, C. 2001, Astronomy and Astrophysics Physical properties and small-scale structure of the Lyman-alpha forest: Inversion of the HE 1122-1628 UVES spectrum

[36] Rollinde, E., Petitjean, P., Pichon, C., Colombi, S., Aracil, B., D'Odorico, V., & Haehnelt, M. G. 2003, Monthly Notices of the Royal Astronomical Society The correlation of the Lyman α forest in close pairs and groups of high-redshift quasars: clustering of matter on scales of 1-5 Mpc

[37] Scannapieco, E., Pichon, C., Aracil, B., Petitjean, P., Thacker, R. J., Pogosyan, D., Bergeron, J., & Couchman, H. M. P. 2006, Monthly Notices of the Royal Astronomical Society The sources of intergalactic metals

[38] Sousbie, T., Colombi, S., & Pichon, C. 2009, Monthly Notices of the Royal Astronomical Society The fully connected N-dimensional skeleton: probing the evolution of the cosmic web

[39] Sousbie, T., Pichon, C., Colombi, S., Novikov, D., & Pogosyan, D. 2008, Monthly Notices of the Royal Astronomical Society The 3D skeleton: tracing the filamentary structure of the Universe

[40] Sousbie, T., Pichon, C., Courtois, H., Colombi, S., & Novikov, D. 2008, Astrophysical Journal The Three-dimensional Skeleton of the SDSS

[41] Teyssier, R., Pires, S., Prunet, S., Aubert, D., Pichon, C., Amara, A., Benabed, K., Colombi, S., Refregier, A., & Starck, J.-L. 2009, Astronomy and Astrophysics Full-sky weak-lensing simulation with 70 billion particles

[42] Thiébaut, J., Pichon, C., Sousbie, T., Prunet, S., & Pogosyan, D. 2008, Monthly Notices of the Royal Astronomical Society On the onset of stochasticity in Λ cold dark matter cosmological simulations

[43] J. Thiébaut, S. Prunet, C. Pichon, E. Thiébaut Probing magnetic fields with multi-frequency polarized synchrotron emission. MNRAS  2010MNRAS.403..415T

[44] Devriendt, J.; Rimes, C.; Pichon, C.; Teyssier, R.; Le Borgne, D.; Aubert, D.; Audit, E.; Colombi, S.; Courty, S; Dubois, Y.; Prunet, S.; Rasera, Y.; Slyz, A.; Tweed, D. The dusty, albeit ultraviolet bright infancy of galaxies 2010 MNRAS.403L..84D The dusty, albeit ultraviolet bright infancy of galaxies

[45] Gay, C.; Pichon, C.; Le Borgne, D.; Teyssier, R.; Sousbie, T.; Devriendt, J. On the filamentary environment of galaxies, 2010MNRAS.404.1801G

[46] Sousbie, T., Pichon, C., Kawahara, K., “The persistent skeleton: II Illustrations”, in press. MNRAS;

[47] Davis, O., Devriendt, J., Colombi, C., Silk, J., Pichon, C. ,“The statistics of rare events”, in press MNRAS;

[48] Kimm, T., Devriendt J., Slyz, A, Pichon C., “Are the cold flows from cosmological simulations detectable with metal lines?” MNRAS 2011MNRAS.413L..51K;

[49] Ch. Yeche, et al. “QSO Selection and Photometric Redshifts with Neural Networks” in press. A&A;

[50] I. Paris, et al. “A Principal Component Analysis of QSO continuum at z ∼ 3” A&A 2011A&A...530A..50P

[51] Agol, E. et al. “SDSS-III: The Eighth Data Release of the Sloan Digital Sky Survey” ApJ.

[52] Daniel J. Eisenstein et al. SDSS-III: Massive Spectroscopic Surveys of the Distant Universe, the Milky Way Galaxy, and Extra-Solar Planetary Systems. submitted to AJ.

[54] Gay, C.; Pichon, C.; Le Borgne, D.; Teyssier, R.; Sousbie, T.; Devriendt, J. On the filamentary environment of galaxies (2010) MNRAS 404 1801G

[55]Pichon, C.; Pogosyan, D.; Kimm, T.; Slyz, A.; Devriendt, J.; Dubois, Y. Rigging dark halos: why is hierarchical galaxy formation consistent with the inside-out build-up of thin discs? 2011 arXiv1105.0210P MNRAS in press.

[56] Pogosyan, D.; Pichon, C.; Gay, C., Non Gaussian extrema counts for CMB maps 2011arXiv1107.1863P

[57] Kimm, T.; Devriendt, J.; Slyz, A.; Pichon, C.; Kassin, S. A.; Dubois, Y, The angular momentum of baryons and dark matter halos revisited 2011arXiv1106.0538K

[58] Pichon, C.; Thiébaut, E.; Prunet, S.; Benabed, K.; Colombi, S.; Sousbie, T.; Teyssier, R. ASKI: full-sky lensing map-making algorithms (2010) MNRAS 401 705P

[59] Gay, C., Pichon, C.; Pogosyan, D.; Non-Gaussian statistics of critical sets in 2 and 3D: Peaks, voids, saddles, genus, skeleton submitted


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Other Publications

[S1] D. Aubert and C. Pichon. Accretion By Dark Matter Haloes. In G. A. Mamon, F. Combes, C. Deffayet, and B. Fort, editors, EAS Publications Series, volume 20 of EAS Publications Series, pages 37–40, 2006.

[S2] D. Aubert, C. Pichon, and S. Colombi. Dynamical fluxes through galactic halos. In F. Combes, D. Barret, T. Contini, and L. Pagani, editors, SF2A-2003: Semaine de l’Astrophysique Francaise, pages 3–+, 2003.

[S3] J. G. Bartlett, N. Aghanim, M. Arnaud, J.-P. Bernard, A. Blanchard, M. Boer, D. J. Burke, C. A. Collins, M. Giard, D. H. Lumb, S. Majerowicz, P. Marty, D. Neumann, J. Nevalainen, R. C. Nichol, C. Pichon, A. K. Romer, R. Sadat, and C. Adami. The XMM-Newton Omega Project. In D. M. Neumann and J. T. V. Tran, editors, Clusters of Galaxies and the High Redshift Universe Observed in X-rays, 2001.

[S4] O. Bienayme, M. Creze, E. Chereul, and C. Pichon. The Potential Well and Local Dynamical Mass. In D. Zaritsky, editor, Galactic Halos, volume 136 of Astronomical Society of the Pacific Conference Series, pages 227–+,1998.

[S5] O. Bienaymé, M. Crézé, E. Chereul, and C. Pichon. Oort Limit from HIPPARCOS. In D. R. Merritt, M. Valluri, and J. A. Sellwood, editors, Galaxy Dynamics - A Rutgers Symposium, volume 182 of Astronomical Society of the Pacific Conference Series, pages 301–+, August 1999.

[S6] C. Boily and C. Pichon. The Impact of Tides on Star Cluster Formation. In R. E. Schielicke, editor, Astronomische Gesellschaft Meeting Abstracts, volume 17 of Astronomische Gesellschaft Meeting Abstracts, pages 5–+, 2000.

[S7] S. Caucci, P. Petitjean, C. Pichon, F. Stoehr, E. Rollinde, S. Colombi, and F. Coppolani. The topology of the intergalactic medium from multiple lines of sight to quasars. In P. Williams, C.-G. Shu, and B. Menard, editors, IAU Colloq. 199: Probing Galaxies through Quasar Absorption Lines, pages 406–408, March 2005.

[S8] F. Coppolani. The Correlation of the Lyman-Forest and Metals in Close Pairs of High-Redshift Quasars. In V. Le Brun, A. Mazure, S. Arnouts, and D. Burgarella, editors, The Fabulous Destiny of Galaxies: Bridging Past and Present, pages 517–+, January 2006.

[S9] F. Coppolani, P. Petitjean, F. Stoehr, E. Rollinde, C. Pichon, S. Colombi,M. G. Haehnelt, B. Carswell, and R. Teyssier. Transverse and Longitudinal Correlation Functions in the IntergalacticMedium. The Messenger, 125:24–+, September 2006.

[S10] F. Coppolani, P. Petitjean, F. Stoehr, E. Rollinde, C. Pichon, S. Colombi,M. Haenelt, B. Carswell, and R. Teyssier. The correlation of the Lyman-forest and metals in close pairs of high-redshift quasars. In F. Casoli, T. Contini, J. M. Hameury, and L. Pagani, editors, SF2A-2005: Semaine de l’Astrophysique Francaise, pages 671–+, December 2005.

[S11] M. Creze, E. Chereul, O. Bienayme, and C. Pichon. Distribution of Nearby Stars in Phase Space Mapped by HIPPARCOS. In Hipparcos - Venice ’97, volume 402 of ESA Special Publication, pages 669–674, August 1997.

[S12] A. Lançon, P. Ocvirk, D. Le Borgne, C. Pichon, P. Prugniel, M. Fioc, B. Rocca-Volmerange, and C. Soubiran. Modelling and interpreting optical spectra of galaxies at R=10 000. In C. C. Popescu and R. J. Tuffs, editors, The Spectral Energy Distributions of Gas-Rich Galaxies: Confronting Models with Data, volume 761 of American Institute of Physics Conference Series, pages 79–+, April 2005.

[S13] P. Ocvirk, A. Lançon, C. Pichon, and E. Thiébaut. Star formation history of galaxies from optical integrated light spectra. In C. C. Popescu and R. J. Tuffs, editors, The Spectral Energy Distributions of Gas-Rich Galaxies: Confronting Models with Data, volume 761 of American Institute of Physics Conference Series, pages 87–+, April 2005.

[S14] P. Ocvirk, A. Lancon, C. Pichon, P. Prugniel, E. Thiébaut, D. Le Borgne, B. Rocca-Volmerange, M. Fioc, and C. Soubiran. Stellar populations and their kinematics from high and medium resolution spectra: mixed inversions. In F. Combes, D. Barret, T. Contini, and L. Pagani, editors,

[S15] P. Petitjean, S. Colombi, C. Pichon, and J.-L. Vergely. Spatial Distribution of the Intergalactic Medium from Intervening Ly Absorption in the Spectra of High Redshift QSOs. In A. Mazure, O. Le Fèvre, and V. Le Brun, editors, Clustering at High Redshift, volume 200 of Astronomical Society of the Pacific Conference Series, pages 266–+, 2000.

[S16] C. Pichon. Warm Super Massive Disks: New Sources for Kerr Metric. In F. Combes and E. Athanassoula, editors, N-body Problems and Gravitational Dynamics, pages 155–161, 1993.

[S17] C. Pichon and R. C. Cannon. Numerical linear stability analysis of round galactic disks. ArXiv Astrophysics e-prints, April 1997.

[S18] C. Pichon and D. Lynden-Bell. Bar Instabilities in Galaxies. In J. Misquich, G. Pelletier, and P. Schuck, editors, Statistical Description of Transport in Plasma, Astro- and Nuclear Physics, pages 261–+, 1993.

[S19] C. Pichon, A. Siebert, O. Bienaymé, and R. Ibata. On the Kinematic Deconvolution of the Local Neighbourhood Luminosity Function. In S. Deiters, B. Fuchs, A. Just, R. Spurzem, and R. Wielen, editors, Dynamics of Star Clusters and the Milky Way, volume 228 of Astronomical Society of the Pacific Conference Series, pages 541–+, 2001.

[S20] P. Prugniel, F. Simien, M. Fioc, D. Le Borgne, B. Rocca-Volmerange, P. Ocvirk, A. Lançon, C. Pichon, and C. Soubiran. The History of the Stellar Population of Bulges. In E. Perez, R. M. Gonzalez Delgado, and G. Tenorio-Tagle, editors, Star Formation Through Time, volume 297 of Astronomical Society of the Pacific Conference Series,  2003.

[S21] E. Rollinde, P. Petitjean, and C. Pichon. Inversion of the HE 1122-1648 UVES spectrum (Rollinde+ 2001). VizieR Online Data Catalog, 337:60028– September 2001.

[S22] E. Rollinde, P. Petitjean, C. Pichon, S. Colombi, and B. Aracil. 3D Spatial Distribution of the Intergalactic Medium: The ESO Blues? In J. Bergeron and G. Monnet, editors, Scientific Drivers for ESO Future VLT/VLTI Instrumentation: Proceedings of the ESO Workshop Held in Garching, Germany, 11-15 Juni 2001, ESO ASTROPHYSICS SYMPOSIA. ISBN 3-540-43755-X. Edited by J. Bergeron and G. Monnet. Springer-Verlag, 2002, p.54, pages 54–+, 2002.

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