Mostrar el registro sencillo del ítem
dc.contributor.author
Knebe, Alexander
dc.contributor.author
Pearce, Frazer R.
dc.contributor.author
Lux, Hanni
dc.contributor.author
Ascasibar, Yago
dc.contributor.author
Behroozi, Peter
dc.contributor.author
Casado, Javier
dc.contributor.author
Corbett Moran, Christine
dc.contributor.author
Diemand, Juerg
dc.contributor.author
Dolag, Klaus
dc.contributor.author
Dominguez Tenreiro, Rosa
dc.contributor.author
Elahi, Pascal
dc.contributor.author
Falck, Bridget
dc.contributor.author
Gottlober, Stefan
dc.contributor.author
Han, Jiaxin
dc.contributor.author
Klypin, Anatoly
dc.contributor.author
Lukic, Zarija
dc.contributor.author
Maciejewski, Michal
dc.contributor.author
McBride, Cameron K.
dc.contributor.author
Merchan, Manuel Enrique
dc.contributor.author
Muldrew, Stuart I.
dc.contributor.author
Neyrinck, Mark
dc.contributor.author
Onions, Julian
dc.contributor.author
Planelles, Susana
dc.contributor.author
Potter, Doug
dc.contributor.author
Quilis, Vicent
dc.contributor.author
Rasera, Yann
dc.contributor.author
Ricker, Paul M.
dc.contributor.author
Roy, Fabrice
dc.contributor.author
Ruiz, Andrés Nicolás
dc.contributor.author
Sgró, Mario Agustín
dc.contributor.author
Springel, Volker
dc.contributor.author
Stadel, Joachim
dc.contributor.author
Sutter, P. M.
dc.contributor.author
Tweed, Dylan
dc.contributor.author
Zemp, Marcel
dc.date.available
2017-11-29T21:03:42Z
dc.date.issued
2013-10
dc.identifier.citation
Knebe, Alexander; Pearce, Frazer R.; Lux, Hanni; Ascasibar, Yago; Behroozi, Peter; et al.; Structure finding in cosmological simulations: the state of affairs; Oxford University Press; Monthly Notices of the Royal Astronomical Society; 435; 2; 10-2013; 1618-1658
dc.identifier.issn
0035-8711
dc.identifier.uri
http://hdl.handle.net/11336/29314
dc.description.abstract
The ever increasing size and complexity of data coming from simulations of cosmic structure formation demand equally sophisticated tools for their analysis. During the past decade, the art of object finding in these simulations has hence developed into an important discipline itself. A multitude of codes based upon a huge variety of methods and techniques have been spawned yet the question remained as to whether or not they will provide the same (physical) information about the structures of interest. Here we summarize and extent previous work of the ‘halo finder comparison project’: we investigate in detail the (possible) origin of any deviations across finders. To this extent, we decipher and discuss differences in halo-finding methods, clearly separating them from the disparity in definitions of halo properties. We observe that different codes not only find different numbers of objects leading to a scatter of up to 20 per cent in the halo mass and Vmax function, but also that the particulars of those objects that are identified by all finders differ. The strength of the variation, however, depends on the property studied, e.g. the scatter in position, bulk velocity, mass and the peak value of the rotation curve is practically below a few per cent, whereas derived quantities such as spin and shape show larger deviations. Our study indicates that the prime contribution to differences in halo properties across codes stems from the distinct particle collection methods and – to a minor extent – the particular aspects of how the procedure for removing unbound particles is implemented. We close with a discussion of the relevance and implications of the scatter across different codes for other fields such as semi-analytical galaxy formation models, gravitational lensing and observables in general.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Oxford University Press
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Galaxies Evolution
dc.subject
Galaxies Haloes
dc.subject
Luminosity Function
dc.subject
Galaxies Statistics
dc.subject.classification
Astronomía
dc.subject.classification
Ciencias Físicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Structure finding in cosmological simulations: the state of affairs
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-10-03T18:23:39Z
dc.journal.volume
435
dc.journal.number
2
dc.journal.pagination
1618-1658
dc.journal.pais
Reino Unido
dc.journal.ciudad
Oxford
dc.description.fil
Fil: Knebe, Alexander. Universidad Autónoma de Madrid; España
dc.description.fil
Fil: Pearce, Frazer R.. The University Of Nottingham; Reino Unido
dc.description.fil
Fil: Lux, Hanni. The University Of Nottingham; Reino Unido. University of Oxford; Reino Unido
dc.description.fil
Fil: Ascasibar, Yago. Universidad Autónoma de Madrid; España
dc.description.fil
Fil: Behroozi, Peter. Kavli Institute for Particle Astrophysics and Cosmology; Estados Unidos. University of Stanford; Estados Unidos
dc.description.fil
Fil: Casado, Javier. Universidad Autónoma de Madrid; España
dc.description.fil
Fil: Corbett Moran, Christine. Universitat Zurich; Suiza
dc.description.fil
Fil: Diemand, Juerg. Universitat Zurich; Suiza
dc.description.fil
Fil: Dolag, Klaus. Gobierno de la Republica Federal de Alemania. Max Planck Institut Fur Astrophysik; Alemania
dc.description.fil
Fil: Dominguez Tenreiro, Rosa. Universidad Autónoma de Madrid; España
dc.description.fil
Fil: Elahi, Pascal. The University Of Nottingham; Reino Unido. Shanghai Astronomical Observatory; China
dc.description.fil
Fil: Falck, Bridget. University of Portsmouth; Reino Unido
dc.description.fil
Fil: Gottlober, Stefan. Leibniz-Institut fur Astrophysik Potsdam; Alemania
dc.description.fil
Fil: Han, Jiaxin. Shanghai Astronomical Observatory; China. Chinese Academy of Sciences; República de China. University Of Durham; Reino Unido
dc.description.fil
Fil: Klypin, Anatoly. New Mexico State University; Estados Unidos
dc.description.fil
Fil: Lukic, Zarija. Lawrence Berkeley National Laboratory; Estados Unidos. Los Alamos National High Magnetic Field Laboratory; Estados Unidos
dc.description.fil
Fil: Maciejewski, Michal. Gobierno de la Republica Federal de Alemania. Max Planck Institut Fur Astrophysik; Alemania
dc.description.fil
Fil: McBride, Cameron K.. Vanderbilt University; Estados Unidos
dc.description.fil
Fil: Merchan, Manuel Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Astronomia Teórica y Experimental. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba. Instituto de Astronomia Teórica y Experimental; Argentina
dc.description.fil
Fil: Muldrew, Stuart I.. The University Of Nottingham; Reino Unido
dc.description.fil
Fil: Neyrinck, Mark. University Johns Hopkins; Estados Unidos
dc.description.fil
Fil: Onions, Julian. The University Of Nottingham; Reino Unido
dc.description.fil
Fil: Planelles, Susana. Università degli Studi di Trieste; Italia
dc.description.fil
Fil: Potter, Doug. Universitat Zurich; Suiza
dc.description.fil
Fil: Quilis, Vicent. Universidad de Valencia; España
dc.description.fil
Fil: Rasera, Yann. Université Paris Diderot - Paris 7; Francia
dc.description.fil
Fil: Ricker, Paul M.. University of Illinois at Urbana; Estados Unidos
dc.description.fil
Fil: Roy, Fabrice. Université Paris Diderot - Paris 7; Francia
dc.description.fil
Fil: Ruiz, Andrés Nicolás. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Astronomia Teórica y Experimental. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba. Instituto de Astronomia Teórica y Experimental; Argentina
dc.description.fil
Fil: Sgró, Mario Agustín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Astronomia Teórica y Experimental. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba. Instituto de Astronomia Teórica y Experimental; Argentina
dc.description.fil
Fil: Springel, Volker. Heidelberg Institute for Theoretical Studies; Alemania
dc.description.fil
Fil: Stadel, Joachim. Universitat Zurich; Suiza
dc.description.fil
Fil: Sutter, P. M.. University of Illinois at Urbana; Estados Unidos. Ohio State University; Estados Unidos. Institut d’Astrophysique de Paris; Francia
dc.description.fil
Fil: Tweed, Dylan. The Hebrew University Of Jerusalem; Israel
dc.description.fil
Fil: Zemp, Marcel. Peking University; República de China
dc.journal.title
Monthly Notices of the Royal Astronomical Society
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/mnras/stt1403
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/435/2/1618/1043579
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1304.0585
Archivos asociados