Nico Hamaus

Ph.D.


Journal publications


[24] N. Hamaus, M.-C. Cousinou, A. Pisani, M. Aubert, S. Escoffier, and J. Weller. "Multipole analysis of redshift-space distortions around cosmic voids". J. Cosmol. Astropart. Phys., 07:14, July 2017, ArXiv: 1705.05328.


[23] K. Paech, N. Hamaus, B. Hoyle, M. Costanzi, T. Giannantonio, S. Hagstotz, G. Sauerwein, and J. Weller. "Cross-correlation of galaxies and galaxy clusters in the Sloan Digital Sky Survey and the importance of non-Poissonian shot noise". Mon. Not. R. Astron. Soc., 470:2566–2577, June 2017, ArXiv: 1612.02018.


[22] G. Pollina, N. Hamaus, K. Dolag, J. Weller, M. Baldi, and L. Moscardini. "On the linearity of tracer bias around voids". Mon. Not. R. Astron. Soc., 469:787–799, July 2017, ArXiv: 1610.06176.


[21] C. Sánchez, J. Clampitt, A. Kovacs, B. Jain, J. García-Bellido, S. Nadathur, D. Gruen, N. Hamaus, D. Huterer, P. Vielzeuf, A. Amara, C. Bonnett, J. DeRose, W. G. Hartley, M. Jarvis, O. Lahav, R. Miquel, E. Rozo, E. S. Rykoff, E. Sheldon, R. H. Wechsler, J. Zuntz, T. M. C. Abbott, F. B. Abdalla, J. Annis, A. Benoit-Lévy, G. M. Bernstein, R. A. Bernstein, E. Bertin, D. Brooks, E. Buckley-Geer, A. Carnero Rosell, M. Carrasco Kind, J. Carretero, M. Crocce, C. E. Cunha, C. B. D'Andrea, L. N. da Costa, S. Desai, H. T. Diehl, J. P. Dietrich, P. Doel, A. E. Evrard, A. Fausti Neto, B. Flaugher, P. Fosalba, J. Frieman, E. Gaztanaga, R. A. Gruendl, G. Gutierrez, K. Honscheid, D. J. James, E. Krause, K. Kuehn, M. Lima, M. A. G. Maia, J. L. Marshall, P. Melchior, A. A. Plazas, K. Reil, A. K. Romer, E. Sanchez, M. Schubnell, I. Sevilla-Noarbe, R. C. Smith, M. Soares-Santos, F. Sobreira, E. Suchyta, G. Tarle, D. Thomas, A. R. Walker, and J. Weller. "Cosmic Voids and Void Lensing in the Dark Energy Survey Science Verification Data". Mon. Not. R. Astron. Soc., 465:746–759, February 2017, ArXiv: 1605.03982.


[20] N. Hamaus, A. Pisani, P. M. Sutter, G. Lavaux, S. Escoffier, B. D. Wandelt, and J. Weller. "Constraints on cosmology and gravity from the dynamics of voids". Phys. Rev. Lett., 117:091302, August 2016, ArXiv: 1602.01784.


[19] N. Hamaus, P. M. Sutter, G. Lavaux, and B. D. Wandelt. "Probing cosmology and gravity with redshift-space distortions around voids". J. Cosmol. Astropart. Phys., 11:36, November 2015, ArXiv: 1507.04363.


[18] A. Pisani, P. M. Sutter, N. Hamaus, E. Alizadeh, R. Biswas, B. D. Wandelt, and C. M. Hirata. "Counting voids to probe dark energy". Phys. Rev. D, 92(8):083531, October 2015, ArXiv: 1503.07690.


[17] F. Leclercq, J. Jasche, P. M. Sutter, N. Hamaus, and B. D. Wandelt. "Dark matter voids in the SDSS galaxy survey". J. Cosmol. Astropart. Phys., 3:47, March 2015, ArXiv: 1410.0355.


[16] P. M. Sutter, G. Lavaux, N. Hamaus, A. Pisani, B. D. Wandelt, M. Warren, F. Villaescusa-Navarro, P. Zivick, Q. Mao, and B. B. Thompson. "VIDE: The Void IDentification and Examination toolkit". Astronomy and Computing, 9:1–9, March 2015, ArXiv: 1406.1191.


[15] P. M. Sutter, P. Elahi, B. Falck, J. Onions, N. Hamaus, A. Knebe, C. Srisawat, and A. Schneider. "The life and death of cosmic voids". Mon. Not. R. Astron. Soc., 445:1235–1244, December 2014, ArXiv: 1403.7525.


[14] N. Hamaus, P. M. Sutter, G. Lavaux, and B. D. Wandelt. "Testing cosmic geometry without dynamic distortions using voids". J. Cosmol. Astropart. Phys., 12:13, December 2014, ArXiv: 1409.3580.


[13] K. C. Chan, N. Hamaus, and V. Desjacques. "Large-scale clustering of cosmic voids". Phys. Rev. D, 90(10):103521, November 2014, ArXiv: 1409.3849.


[12] P. M. Sutter, G. Lavaux, N. Hamaus, B. D. Wandelt, D. H. Weinberg, and M. S. Warren. "Sparse sampling, galaxy bias, and voids". Mon. Not. R. Astron. Soc., 442:462–471, July 2014, ArXiv: 1309.5087.


[11] N. Hamaus, P. M. Sutter, and B. D. Wandelt. "Universal Density Profile for Cosmic Voids". Phys. Rev. Lett., 112:251302, June 2014, ArXiv: 1403.5499.


[10] N. Hamaus, B. D. Wandelt, P. M. Sutter, G. Lavaux, and M. S. Warren. "Cosmology with Void-Galaxy Correlations". Phys. Rev. Lett., 112:041304, January 2014, ArXiv: 1307.2571.


[9] T. Baldauf, U. Seljak, R. E. Smith, N. Hamaus, and V. Desjacques. "Halo stochasticity from exclusion and nonlinear clustering". Phys. Rev. D, 88(8):083507, October 2013, ArXiv: 1305.2917.


[8] N. Hamaus, U. Seljak, and V. Desjacques. "Optimal weighting in galaxy surveys: Application to redshift-space distortions". Phys. Rev. D, 86(10):103513, November 2012, ArXiv: 1207.1102.


[7] J. Yoo, N. Hamaus, U. Seljak, and M. Zaldarriaga. "Going beyond the Kaiser redshift-space distortion formula: A full general relativistic account of the effects and their detectability in galaxy clustering". Phys. Rev. D, 86(6):063514, September 2012, ArXiv: 1206.5809.


[6] N. Hamaus, U. Seljak, and V. Desjacques. "Optimal constraints on local primordial non-Gaussianity from the two-point statistics of large-scale structure". Phys. Rev. D, 84(8):083509, October 2011, ArXiv: 1104.2321.


[5] J. Yoo, N. Hamaus, U. Seljak, and M. Zaldarriaga. "Testing General Relativity on Horizon Scales and the Primordial non-Gaussianity". September 2011, ArXiv: 1109.0998.


[4] N. Hamaus, U. Seljak, V. Desjacques, R. E. Smith, and T. Baldauf. "Minimizing the stochasticity of halos in large-scale structure surveys". Phys. Rev. D, 82(4):043515, August 2010, ArXiv: 1004.5377.


[3] H. Bartko, G. Perrin, W. Brandner, C. Straubmeier, A. Richichi, S. Gillessen, T. Paumard, S. Hippler, A. Eckart, M. Schöller, F. Eisenhauer, X. Haubois, R. Lenzen, S. Rabien, Y. Clénet, J. R. Ramos, M. Thiel, J. P. Berger, H. Baumeister, S. Kellner, F. Cassaing, A. Böhm, R. Hofmann, E. Gendron, R. Klein, K. Dodds-Eden, K. Houairi, F. Hormuth, A. Gräter, P. Kervella, V. Naranjo, R. Genzel, P. Fédou, T. Henning, N. Hamaus, L. Jocou, U. Neumann, M. Haug, S. Lacour, W. Laun, J. Kolmeder, F. Malbet, R.-R. Rohloff, O. Pfuhl, K. Perraut, J. Ziegleder, D. Rouan, G. Rousset, A. Amorim, and J. Lima. "GRAVITY: Astrometry on the galactic center and beyond". New Astronomy Reviews, 53:301–306, November 2009.


[2] U. Seljak, N. Hamaus, and V. Desjacques. "How to Suppress the Shot Noise in Galaxy Surveys". Phys. Rev. Lett., 103:091303, August 2009, ArXiv: 0904.2963.


[1] N. Hamaus, T. Paumard, T. Müller, S. Gillessen, F. Eisenhauer, S. Trippe, and R. Genzel. "Prospects for Testing the Nature of Sgr A*’s Near-Infrared Flares on the Basis of Current Very Large Telescope — and Future Very Large Telescope Interferometer — Observations". Astrophys. J., 692:902–916, February 2009, ArXiv: 0810.4947.


Conference proceedings


[6] N. Hamaus, P. M. Sutter, and B. D. Wandelt. "Modeling cosmic void statistics". Proceedings of the International Astronomical Union vol. 11(S308), pages 538–541, September 2014, ArXiv: 1409.7621.


[5] P. M. Sutter, N. Hamaus, A. Pisani, G. Lavaux, and B. D. Wandelt. "Answers from the void: VIDE and its applications". Proceedings of the International Astronomical Union vol. 11(S308), pages 524–529, September 2014, ArXiv: 1409.6996.


[4] P. M. Sutter, B. D. Wandelt, D. H. Weinberg, M. S. Warren, and N. Hamaus. "Innovative Cosmology with Cosmic Voids". In volume 223 of American Astronomical Society Meeting Abstracts, page 226.01, January 2014.


[3] F. Eisenhauer, G. Perrin, W. Brandner, C. Straubmeier, A. Böhm, H. Baumeister, F. Cassaing, Y. Clénet, K. Dodds-Eden, A. Eckart, E. Gendron, R. Genzel, S. Gillessen, A. Gräter, C. Gueriau, N. Hamaus, X. Haubois, M. Haug, T. Henning, S. Hippler, R. Hofmann, F. Hormuth, K. Houairi, S. Kellner, P. Kervella, R. Klein, J. Kolmeder, W. Laun, P. Léna, R. Lenzen, M. Marteaud, V. Naranjo, U. Neumann, T. Paumard, S. Rabien, J. R. Ramos, J. M. Reess, R.-R. Rohloff, D. Rouan, G. Rousset, B. Ruyet, A. Sevin, M. Thiel, J. Ziegleder, and D. Ziegler. "GRAVITY: Microarcsecond Astrometry and Deep Interferometric Imaging with the VLT". In A. Moorwood, editor, Science with the VLT in the ELT Era, page 361, 2009.


[2] F. Eisenhauer, G. Perrin, W. Brandner, C. Straubmeier, A. Richichi, S. Gillessen, J. P. Berger, S. Hippler, A. Eckart, M. Schöller, S. Rabien, F. Cassaing, R. Lenzen, M. Thiel, Y. Clénet, J. R. Ramos, S. Kellner, P. Fédou, H. Baumeister, R. Hofmann, E. Gendron, A. Böhm, H. Bartko, X. Haubois, R. Klein, K. Dodds-Eden, K. Houairi, F. Hormuth, A. Gräter, L. Jocou, V. Naranjo, R. Genzel, P. Kervella, T. Henning, N. Hamaus, S. Lacour, U. Neumann, M. Haug, F. Malbet, W. Laun, J. Kolmeder, T. Paumard, R.-R. Rohloff, O. Pfuhl, K. Perraut, J. Ziegleder, D. Rouan, and G. Rousset. "GRAVITY: getting to the event horizon of Sgr A*". In volume 7013 of Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series, July 2008, ArXiv: 0808.0063.


[1] F. Eisenhauer, G. Perrin, C. Straubmeier, W. Brandner, A. Böhm, F. Cassaing, Y. Clénet, K. Dodds-Eden, A. Eckart, P. Fédou, E. Gendron, R. Genzel, S. Gillessen, A. Gräter, C. Gueriau, N. Hamaus, X. Haubois, M. Haug, T. Henning, S. Hippler, R. Hofmann, F. Hormuth, K. Houairi, S. Kellner, P. Kervella, R. Klein, J. Kolmeder, W. Laun, P. Léna, R. Lenzen, M. Marteaud, D. Meschke, V. Naranjo, U. Neumann, T. Paumard, M. Perger, D. Perret, S. Rabien, J. R. Ramos, J. M. Reess, R. R. Rohloff, D. Rouan, G. Rousset, B. Ruyet, M. Schropp, B. Talureau, M. Thiel, J. Ziegleder, and D. Ziegler. "GRAVITY: microarcsecond astrometry and deep interferometric imaging with the VLTI". In W. J. Jin, I. Platais, & M. A. C. Perryman, editor, volume 248 of IAU Symposium, pages 100–101, July 2008.


Code libraries


[1] P. M. Sutter, G. Lavaux, N. Hamaus, A. Pisani, B. D. Wandelt, M. Warren, F. Villaescusa-Navarro, P. Zivick, Q. Mao, and B. B. Thompson. "VIDE: The Void IDentification and Examination toolkit". Astrophysics Source Code Library, 1407.014, July 2014.


Theses


[2] N. Hamaus. "Optimal Weights and Multiple Tracers in Large-Scale Structure". University of Zurich, Ph.D. thesis, August 2012.


[1] N. Hamaus. "Simulation of Flares from the Galactic Center Black Hole". Max Planck Institute for Extraterrestrial Physics, Diploma thesis, January 2008.


Press


[34] "Die Entdeckung der Leere". Spektrum.de


[33] "Die große Leere". Spektrum.de


[32] "Dunkle Energie und kosmische Leere". HYPERRAUM.TV


[31] "The Universe Voids Itself, and Einstein Predicted It". Slate Magazine


[30] "Los vacíos cósmicos y la relatividad general". Cultura Científica


[29] "Peering into the Void". The Star Spot Podcast


[28] "De nouvelles contraintes sur la cosmologie et la gravité grâce aux vides cosmique". Institut d'Astrophysique de Paris


[27] "Kosmische Lücken - Nichts sagt viel". Deutschlandfunk


[26] "Dunkle Energie". Weser Kurier


[25] "Emptiness Constrains the Universe". APS Physics Synopsis


[24] "Vast Space Voids Help Fill in the Blanks of Cosmic Mysteries". Space.com


[23] "Hunt For Cracks In Einstein’s General Theory Of Relativity In Cosmic Voids". International Business Times


[22] "Lehren aus dem Nichts". astronews.com


[21] "Astronomers use cosmic voids to study the universe". Astronomy Now


[20] "Cosmology: Lore of lonely regions". Space Daily


[19] "Scientists Probe the Empty Spaces in the Universe to Disprove Einstein's General Theory of Relativity". Nature World News


[18] "Much ado about nothing: Astronomers use empty space to study the universe". (e) Science News


[17] "Much ado about nothing: Astronomers use empty space to study the universe". Technology.org


[16] "Much ado about nothing: Astronomers use empty space to study the universe". Science Daily


[15] "Much ado about nothing: Astronomers use empty space to study the universe". Eurekalert!


[14] "Much ado about nothing: Astronomers use empty space to study the universe". Nanowerk


[13] "Das Nichts leert sich". pro-physik.de


[12] "Los vacíos cósmicos dan la razón a Einstein". Vozpópuli


[11] "De nouvelles contraintes sur la cosmologie et la gravité grâce aux vides cosmiques". CNRS press release


[10] "L’importanza dei vuoti cosmici". INAF press release


[9] "Lore of lonely regions". LMU press release


[8] "Much ado about nothing: Astronomers use empty space to study the universe". OSU press release


[7] "Valuable Voids". APS Physics Synopsis


[6] "Dunkle Materie simuliert". Spektrum der Wissenschaft


[5] "Better Not Avoid A Cosmic Void". Inside Science


[4] "Universal Formula for Cosmic Voids". APS Physics Focus


[3] "Barren Bubble-like Zones Could Help Untangle Universe’s Mysteries". Txchnologist


[2] "Un profil de densité universel pour les vides cosmiques". Institut d'Astrophysique de Paris


[1] "Universal density profile for cosmic voids". Institut Lagrange de Paris