{"id":5788,"date":"2017-10-11T00:00:00","date_gmt":"2017-10-10T22:00:00","guid":{"rendered":"https:\/\/www.ieec.cat\/astro-grbarcelona-2017\/"},"modified":"2022-12-22T23:24:39","modified_gmt":"2022-12-22T22:24:39","slug":"astro-grbarcelona-2017","status":"publish","type":"post","link":"https:\/\/www.ieec.cat\/en\/astro-grbarcelona-2017\/","title":{"rendered":"Astro-GR@Barcelona 2017"},"content":{"rendered":"

[et_pb_section fb_built=”1″ fullwidth=”on” theme_builder_area=”post_content” _builder_version=”4.14.8″ _module_preset=”default” height=”114px” background_color=”” hover_enabled=”0″ sticky_enabled=”0″ title_text=”” background_image=”\/wp-content\/uploads\/2022\/04\/slider-corpo2.jpg”][\/et_pb_section][et_pb_section fb_built=”1″ theme_builder_area=”post_content” _builder_version=”4.14.8″ _module_preset=”default” custom_padding=”||0px||false|false” custom_margin=”||0px||false|false” hover_enabled=”0″ sticky_enabled=”0″][et_pb_row _builder_version=”4.14.8″ _module_preset=”default” theme_builder_area=”post_content”][et_pb_column _builder_version=”4.14.8″ _module_preset=”default” type=”4_4″ theme_builder_area=”post_content”][et_pb_text _builder_version=”4.14.8″ _module_preset=”default” theme_builder_area=”post_content” _dynamic_attributes=”content” hover_enabled=”0″ sticky_enabled=”0″ custom_margin=”0px||0px||false|false” custom_padding=”0px||0px||false|false”]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF90aXRsZSIsInNldHRpbmdzIjp7ImJlZm9yZSI6IjxoMSBjbGFzcz1cImVudHJ5X3RpdGxlXCI+IiwiYWZ0ZXIiOiI8L2gxPiJ9fQ==@[\/et_pb_text][et_pb_text _builder_version=”4.14.8″ _module_preset=”default” theme_builder_area=”post_content” _dynamic_attributes=”content” custom_padding=”0px||0px||false|false” custom_margin=”0px||0px||false|false” hover_enabled=”0″ sticky_enabled=”0″]@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9kYXRlIiwic2V0dGluZ3MiOnsiYmVmb3JlIjoiIiwiYWZ0ZXIiOiIiLCJkYXRlX2Zvcm1hdCI6ImN1c3RvbSIsImN1c3RvbV9kYXRlX2Zvcm1hdCI6IlktbS1kIEg6aTpzIn19@[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.14.8″ _module_preset=”default” custom_margin=”0px||||false|false” custom_padding=”0px||||false|false” top_divider_color=”RGBA(255,255,255,0)” top_divider_height=”0px” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][et_pb_row column_structure=”4_4″ _builder_version=”4.14.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.14.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/www.ieec.cat\/wp-content\/uploads\/2022\/12\/1543421868_acf6513cda242317478081ad1b94a566_ale_barcelona_02.jpg” alt=”Astro-GR@Barcelona 2017″ _builder_version=”4.14.8″ _module_preset=”default” title_text=”PR_Image1.png” hover_enabled=”0″ sticky_enabled=”0″ width=”600px” module_alignment=”center”][\/et_pb_image][et_pb_text _builder_version=”4.14.8″ _module_preset=”default” global_colors_info=”{}”]TOPIC<\/p>\n

ASTROPHYSICS, GENERAL RELATIVITY, FUNDAMENTAL PHYSICS and DATA ANALYSIS<\/p>\n

from the capture of compact objects by supermassive black holes.<\/p>\n

Organised by IEEC (Pau Amaro-Seoane and Carlos F. Sopuerta in Barcelona), at ICE<\/a> (CSIC-IEEC) from Mon 10\/16 \u2013 Fri 10\/20 2017<\/p>\n

Ale_Barcelona_02
Copyright Alejandra Lezcano<\/p>\n

The Laser Interferometer Space Antenna (LISA) is the future ESA-NASA Gravitational Wave Observatory. It will look for GW signals in the low-frequency band (0.1 mHz \u2013 1 Hz), mainly from the following sources: galactic binaries, the coalescence and merger of massive black holes in galaxies at cosmological distances, the capture and inspiral of stellar compact objects into massive black holes at galactic centers and even from cosmological stochastic backgrounds.<\/p>\n

These observations promise to open a completely new window to the exploration of the Universe, which is expected will have important consequences for our knowledge in astrophysics, cosmology, and fundamental physics. This edition of the Astro-GR meetings will focus again (like the first meeting in the series) on the third source above, (iii), which due to the mass ratio of these binaries they are commonly known as Extreme-Mass-Ratio Inspirals (EMRIs). Considering the possible existence of intermediate-mass black holes, an additional source of gravitational waves for LISA will the inspiral of stellar-mass compact objects into an IMBH or the inspiral of an IMBH into a MBH. These sources, again due to the mass ratio of the binaries, are known as an intermediate-mass ratio inspirals (IMRIs).<\/p>\n

Ale_Barna02
Copyright Alejandra Lezcano<\/p>\n

These are one of the main sources of gravitational waves expected for LISA and their observations will produce spectacular science. In particular, with EMRI observations we will be able to map isolated black holes with high precision, obtaining very accurate values of their mass, spin, and some gravitational multipoles that will allow us to verify whether they are the stationary solutions predicted by General Relativity and described by the Kerr metric.<\/p>\n

We can also try to use these sources to test General Relativity and alternative theories of gravity. In addition, LISA will provide information from hundreds (or even more) of massive black holes from the low redshift Universe (z < 1). This information should allow us to get information of the history of these black holes and from here we could test models of galaxy formation. Moreover, given that LISA will measure precise luminosity distances to these EMRIs, there is the possibility of doing precision cosmology with these sources (correlating the information with galaxy catalogs as has been proposed recently).<\/p>\n

The meeting will focus on the following topics:<\/p>\n

1. Astrophysical mechanisms that produce EMRI events
2. Astrophysical mechanisms that can produce Intermediate-Mass-Ratio Inspirals (IMRIs)
3. Cosmology and Fundamental Physics with EMRI-IMRI observations<\/p>\n

Ale_Barna01
Copyright Alejandra Lezcano<\/p>\n

CONFIRMED PARTICIPANTS<\/p>\n

Pau Amaro Seoane, Ver\u00f3nica V\u00e1zquez Aceves, Ben Bar-Or, Mitch Begelman, Matthew Benacquista, David Neilsen, Aleksey Generozov, Vitor Cardoso, Xian Chen, Marius Oltean, Massimo Dotti, Carlos F Sopuerta, Yu-Peng Zhang, Wlodek Kluzniak, Angela Gardini, Pablo Laguna, Alejandro Torres Orjuela, Anna Lisa Varri, Aleksey Generozov, Naoki Seto, Li Zhao, Eugene Vasiliev, Bence Kocsis, Haris Markakis, Jie Yang, Paula C\u00f3rdoba Pa\u00f1ella, Andrea Derdzinski, Natalia Korsakova, Wen-Di Guo, Lucio Mayer, Stefan Gillessen, Giacomo Fragione, Hyung Mok Lee, Yu-Xiao Liu, Jan-Willem van Holten, Chris Kavanagh, V\u00e1clav Pavl\u00edk, Eva Noyola, Ofek Birnholtz, Phil Breen, Mar\u00eda Jos\u00e9 Bustamante Rosell, Qun-Ying Xie, Sara Rastello, Camilo Fontecilla, Iara Tosta e Melo, Elisa Bortolas, Xiao Fang, Hyun Lim<\/p>\n

Ale_Barna04
Copyright Alejandra Lezcano[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

TOPICASTROPHYSICS, GENERAL RELATIVITY, FUNDAMENTAL PHYSICS and DATA ANALYSISfrom the capture of compact objects by supermassive black holes.Organised by IEEC (Pau Amaro-Seoane and Carlos F. Sopuerta in Barcelona), at ICE (CSIC-IEEC) from Mon 10\/16 \u2013 Fri 10\/20 2017Ale_Barcelona_02Copyright Alejandra LezcanoThe Laser Interferometer Space Antenna (LISA) is the future ESA-NASA Gravitational Wave Observatory. It will look for […]<\/p>\n","protected":false},"author":0,"featured_media":5784,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"2880","footnotes":""},"categories":[71,76],"tags":[],"class_list":["post-5788","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-announcements","category-other-announcements"],"yoast_head":"\nAstro-GR@Barcelona 2017 - IEEC<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ieec.cat\/en\/astro-grbarcelona-2017\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Astro-GR@Barcelona 2017 - IEEC\" \/>\n<meta property=\"og:description\" content=\"TOPICASTROPHYSICS, GENERAL RELATIVITY, FUNDAMENTAL PHYSICS and DATA ANALYSISfrom the capture of compact objects by supermassive black holes.Organised by IEEC (Pau Amaro-Seoane and Carlos F. Sopuerta in Barcelona), at ICE (CSIC-IEEC) from Mon 10\/16 \u2013 Fri 10\/20 2017Ale_Barcelona_02Copyright Alejandra LezcanoThe Laser Interferometer Space Antenna (LISA) is the future ESA-NASA Gravitational Wave Observatory. 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