Home > Publications database > Collisions of red giants in galactic nuclei > print

001     617689
005     20250723172847.0
024 7 _ |a 10.1093/mnras/stae396
|2 doi
024 7 _ |a Ryu:2023wal
|2 INSPIRETeX
024 7 _ |a inspire:2677407
|2 inspire
024 7 _ |a 0035-8711
|2 ISSN
024 7 _ |a 1365-2966
|2 ISSN
024 7 _ |a 1365-8711
|2 ISSN
024 7 _ |a arXiv:2307.07338
|2 arXiv
024 7 _ |a 10.3204/PUBDB-2024-06980
|2 datacite_doi
024 7 _ |a altmetric:160015118
|2 altmetric
024 7 _ |a WOS:001165257000007
|2 WOS
024 7 _ |a openalex:W4391630353
|2 openalex
037 _ _ |a PUBDB-2024-06980
041 _ _ |a English
082 _ _ |a 520
088 _ _ |a arXiv:2307.07338
|2 arXiv
100 1 _ |a Ryu, Taeho
|0 P:(DE-HGF)0
|b 0
|e Corresponding author
245 _ _ |a Collisions of red giants in galactic nuclei
260 _ _ |a Oxford
|c 2024
|b Oxford Univ. Press
336 7 _ |a article
|2 DRIVER
336 7 _ |a Output Types/Journal article
|2 DataCite
336 7 _ |a Journal Article
|b journal
|m journal
|0 PUB:(DE-HGF)16
|s 1734532430_2763568
|2 PUB:(DE-HGF)
336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a JOURNAL_ARTICLE
|2 ORCID
336 7 _ |a Journal Article
|0 0
|2 EndNote
500 _ _ |a 16 pages, 14 figures, 2 tables, accepted for publication in MNRAS, comments welcome, movies here: https://www.youtube.com/playlist?list=PLxLK3qI02cQd9lyIo6DIqm1tQnx_-G3Ut
520 _ _ |a In stellar-dense environments, stars can collide with each other. For collisions close to a supermassive black hole (SMBH), the collisional kinetic energy can be so large that the colliding stars can be destroyed, potentially releasing an amount of energy comparable to that of a supernova. These black hole-driven disruptive collisions have been examined mostly analytically, with the non-linear hydrodynamical effects being left largely unstudied. Using the moving-mesh hydrodynamics code arepo, we investigate high-velocity (>10^3 km s^−1) collisions between 1 M_⊙ giants with varying radii, impact parameters, and initial approaching velocities, and estimate their observables. Very strong shocks across the collision surface efficiently convert |${\gtrsim} 10~{{\ \rm per\ cent}}$| of the initial kinetic energy into radiation energy. The outcome is a gas cloud expanding supersonically, homologously, and quasi-spherically, generating a flare with a peak luminosity ≃10^41–10^44 erg s^−1 in the extreme ultraviolet band (≃10 eV). The luminosity decreases approximately following a power law of t^−0.7 initially, then t^−0.4 after t ≃ 10 d at which point it would be bright in the optical band (≲1eV). Subsequent, and possibly even brighter, emission would be generated due to the accretion of the gas cloud on to the nearby SMBH, possibly lasting up to multiyear time-scales. This inevitable BH–collision product interaction can contribute to the growth of BHs at all mass scales, in particular, seed BHs at high redshifts. Furthermore, the proximity of the events to the central BH makes them a potential tool for probing the existence of dormant BHs, even very massive ones which cannot be probed by tidal disruption events.
536 _ _ |a 613 - Matter and Radiation from the Universe (POF4-613)
|0 G:(DE-HGF)POF4-613
|c POF4-613
|f POF IV
|x 0
536 _ _ |a DFG project G:(GEPRIS)440719683 - Hochleistungscompute-Cluster (440719683)
|0 G:(GEPRIS)440719683
|c 440719683
|x 1
542 _ _ |i 2024-02-08
|2 Crossref
|u https://creativecommons.org/licenses/by/4.0/
588 _ _ |a Dataset connected to CrossRef, INSPIRE, Journals: bib-pubdb1.desy.de
650 _ 7 |a hydrodynamics
|2 autogen
650 _ 7 |a stars: kinematics and dynamics
|2 autogen
650 _ 7 |a Galaxy: nucleus
|2 autogen
650 _ 7 |a quasars: supermassive black holes
|2 autogen
650 _ 7 |a Transients
|2 autogen
693 _ _ |0 EXP:(DE-MLZ)NOSPEC-20140101
|5 EXP:(DE-MLZ)NOSPEC-20140101
|e No specific instrument
|x 0
700 1 _ |a Seoane, Pau Amaro
|b 1
700 1 _ |a Taylor, Andrew
|0 P:(DE-H253)PIP1080492
|b 2
700 1 _ |a Ohlmann, Sebastian T.
|b 3
773 1 8 |a 10.1093/mnras/stae396
|b Oxford University Press (OUP)
|d 2024-02-07
|n 4
|p 6193-6209
|3 journal-article
|2 Crossref
|t Monthly Notices of the Royal Astronomical Society
|v 528
|y 2024
|x 0035-8711
773 _ _ |a 10.1093/mnras/stae396
|g Vol. 528, no. 4, p. 6193 - 6209
|0 PERI:(DE-600)2016084-7
|n 4
|p 6193-6209
|t Monthly notices of the Royal Astronomical Society
|v 528
|y 2024
|x 0035-8711
856 4 _ |y OpenAccess
|u https://bib-pubdb1.desy.de/record/617689/files/stae396.pdf
856 4 _ |y OpenAccess
|x pdfa
|u https://bib-pubdb1.desy.de/record/617689/files/stae396.pdf?subformat=pdfa
909 C O |o oai:bib-pubdb1.desy.de:617689
|p openaire
|p open_access
|p VDB
|p driver
|p dnbdelivery
910 1 _ |a Deutsches Elektronen-Synchrotron
|0 I:(DE-588b)2008985-5
|k DESY
|b 2
|6 P:(DE-H253)PIP1080492
913 1 _ |a DE-HGF
|b Forschungsbereich Materie
|l Matter and the Universe
|1 G:(DE-HGF)POF4-610
|0 G:(DE-HGF)POF4-613
|3 G:(DE-HGF)POF4
|2 G:(DE-HGF)POF4-600
|4 G:(DE-HGF)POF
|v Matter and Radiation from the Universe
|x 0
914 1 _ |y 2024
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0160
|2 StatID
|b Essential Science Indicators
|d 2023-10-22
915 _ _ |a Creative Commons Attribution CC BY 4.0
|0 LIC:(DE-HGF)CCBY4
|2 HGFVOC
915 _ _ |a WoS
|0 StatID:(DE-HGF)0113
|2 StatID
|b Science Citation Index Expanded
|d 2023-10-22
915 _ _ |a OpenAccess
|0 StatID:(DE-HGF)0510
|2 StatID
915 _ _ |a Nationallizenz
|0 StatID:(DE-HGF)0420
|2 StatID
|d 2024-12-16
|w ger
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0200
|2 StatID
|b SCOPUS
|d 2024-12-16
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0300
|2 StatID
|b Medline
|d 2024-12-16
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0501
|2 StatID
|b DOAJ Seal
|d 2024-07-11T08:19:11Z
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0500
|2 StatID
|b DOAJ
|d 2024-07-11T08:19:11Z
915 _ _ |a Peer Review
|0 StatID:(DE-HGF)0030
|2 StatID
|b DOAJ : Anonymous peer review
|d 2024-07-11T08:19:11Z
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0199
|2 StatID
|b Clarivate Analytics Master Journal List
|d 2024-12-16
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)1150
|2 StatID
|b Current Contents - Physical, Chemical and Earth Sciences
|d 2024-12-16
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0150
|2 StatID
|b Web of Science Core Collection
|d 2024-12-16
915 _ _ |a JCR
|0 StatID:(DE-HGF)0100
|2 StatID
|b MON NOT R ASTRON SOC : 2022
|d 2024-12-16
915 _ _ |a DBCoverage
|0 StatID:(DE-HGF)0600
|2 StatID
|b Ebsco Academic Search
|d 2024-12-16
915 _ _ |a Peer Review
|0 StatID:(DE-HGF)0030
|2 StatID
|b ASC
|d 2024-12-16
915 _ _ |a IF < 5
|0 StatID:(DE-HGF)9900
|2 StatID
|d 2024-12-16
920 1 _ |0 I:(DE-H253)Z_THAT-20210408
|k Z_THAT
|l Theoretische Astroteilchenphysik
|x 0
980 _ _ |a journal
980 _ _ |a VDB
980 _ _ |a UNRESTRICTED
980 _ _ |a I:(DE-H253)Z_THAT-20210408
980 1 _ |a FullTexts
999 C 5 |a 10.1088/0004-637X/697/2/1861
|9 -- missing cx lookup --
|1 Alexander
|p 1861 -
|2 Crossref
|t ApJ
|v 697
|y 2009
999 C 5 |a 10.48550/arXiv.2307.10330
|1 Amaro Seoane
|2 Crossref
|9 -- missing cx lookup --
|y 2023
999 C 5 |a 10.3847/1538-4357/acb8b9
|9 -- missing cx lookup --
|1 Amaro Seoane
|p 8 -
|2 Crossref
|t ApJ
|v 947
|y 2023
999 C 5 |a 10.1086/154711
|9 -- missing cx lookup --
|1 Bahcall
|p 214 -
|2 Crossref
|t ApJ
|v 209
|y 1976
999 C 5 |a 10.3847/1538-4357/acdd73
|9 -- missing cx lookup --
|1 Balberg
|p 149 -
|2 Crossref
|t ApJ
|v 952
|y 2023
999 C 5 |a 10.1093/mnrasl/slt071
|9 -- missing cx lookup --
|1 Balberg
|p L26 -
|2 Crossref
|t MNRAS
|v 434
|y 2013
999 C 5 |a 10.1093/mnras/187.2.237
|9 -- missing cx lookup --
|1 Begelman
|p 237 -
|2 Crossref
|t MNRAS
|v 187
|y 1979
999 C 5 |a 10.1093/mnras/182.2.147
|9 -- missing cx lookup --
|1 Bell
|p 147 -
|2 Crossref
|t MNRAS
|v 182
|y 1978
999 C 5 |a 10.1088/1538-3873/aaecbe
|9 -- missing cx lookup --
|1 Bellm
|p 018002 -
|2 Crossref
|t PASP
|v 131
|y 2019
999 C 5 |a 10.1086/165857
|9 -- missing cx lookup --
|1 Benz
|p 614 -
|2 Crossref
|t ApJ
|v 323
|y 1987
999 C 5 |a 10.1086/171230
|9 -- missing cx lookup --
|1 Benz
|p 546 -
|2 Crossref
|t ApJ
|v 389
|y 1992
999 C 5 |a 10.1086/182658
|9 -- missing cx lookup --
|1 Blandford
|p L29 -
|2 Crossref
|t ApJ
|v 221
|y 1978
999 C 5 |a 10.1093/mnras/112.2.195
|9 -- missing cx lookup --
|1 Bondi
|p 195 -
|2 Crossref
|t MNRAS
|v 112
|y 1952
999 C 5 |a 10.1093/mnras/104.5.273
|9 -- missing cx lookup --
|1 Bondi
|p 273 -
|2 Crossref
|t MNRAS
|v 104
|y 1944
999 C 5 |a 10.3847/0004-637X/823/2/102
|9 -- missing cx lookup --
|1 Choi
|p 102 -
|2 Crossref
|t ApJ
|v 823
|y 2016
999 C 5 |a 10.1166/asl.2011.1205
|9 -- missing cx lookup --
|1 Colpi
|p 181 -
|2 Crossref
|t Adv. Sci. Lett.
|v 4
|y 2011
999 C 5 |a 10.1111/j.1365-2966.2005.09937.x
|9 -- missing cx lookup --
|1 Dale
|p 1424 -
|2 Crossref
|t MNRAS
|v 366
|y 2006
999 C 5 |a 10.1051/0004-6361/202348228
|9 -- missing cx lookup --
|1 Dessart
|p A58 -
|2 Crossref
|t A&A
|v 682
|y 2024
999 C 5 |a 10.1111/j.1365-2966.2012.20406.x
|9 -- missing cx lookup --
|1 Devecchi
|p 1465 -
|2 Crossref
|t MNRAS
|v 421
|y 2012
999 C 5 |a 10.1111/j.1365-2966.2005.08770.x
|9 -- missing cx lookup --
|1 Freitag
|p 1133 -
|2 Crossref
|t MNRAS
|v 358
|y 2005
999 C 5 |a 10.1051/0004-6361/201935656
|9 -- missing cx lookup --
|1 GRAVITY Collaboration
|p L10 -
|2 Crossref
|t A&A
|v 625
|y 2019
999 C 5 |a 10.3847/1538-4357/aaf4f8
|9 -- missing cx lookup --
|1 Gillessen
|p 126 -
|2 Crossref
|t ApJ
|v 871
|y 2019
999 C 5 |a 10.1086/320586
|9 -- missing cx lookup --
|1 Haiman
|p 459 -
|2 Crossref
|t ApJ
|v 552
|y 2001
999 C 5 |a 10.48550/arXiv.astro-ph/0007139
|9 -- missing cx lookup --
|1 Herwig
|p 952 -
|2 Crossref
|t A&A
|v 360
|y 2000
999 C 5 |a 10.1111/j.1365-2966.2012.21192.x
|9 -- missing cx lookup --
|1 Hillier
|p 252 -
|2 Crossref
|t MNRAS
|v 424
|y 2012
999 C 5 |a 10.1038/331687a0
|9 -- missing cx lookup --
|1 Hills
|p 687 -
|2 Crossref
|t Nature
|v 331
|y 1988
999 C 5 |1 Hills
|y 1976
|2 Crossref
|o Hills 1976
999 C 5 |a 10.1086/133085
|9 -- missing cx lookup --
|1 Hut
|p 981 -
|2 Crossref
|t PASP
|v 104
|y 1992
999 C 5 |a 10.1086/177381
|9 -- missing cx lookup --
|1 Iglesias
|p 943 -
|2 Crossref
|t ApJ
|v 464
|y 1996
999 C 5 |a 10.1146/annurev-astro-120419-014455
|9 -- missing cx lookup --
|1 Inayoshi
|p 27 -
|2 Crossref
|t ARA&A
|v 58
|y 2020
999 C 5 |a 10.3847/1538-4357/ab042c
|9 -- missing cx lookup --
|1 Ivezić
|p 111 -
|2 Crossref
|t ApJ
|v 873
|y 2019
999 C 5 |a 10.1088/1538-3873/aa80d9
|9 -- missing cx lookup --
|1 Kochanek
|p 104502 -
|2 Crossref
|t PASP
|v 129
|y 2017
999 C 5 |a 10.1086/172946
|9 -- missing cx lookup --
|1 Lai
|p 593 -
|2 Crossref
|t ApJ
|v 412
|y 1993
999 C 5 |1 Langer
|y 1983
|2 Crossref
|o Langer 1983
999 C 5 |a 10.1086/144905
|9 -- missing cx lookup --
|1 Ledoux
|p 305 -
|2 Crossref
|t ApJ
|v 105
|y 1947
999 C 5 |a 10.1093/mnras/stv2877
|9 -- missing cx lookup --
|1 Lupi
|p 2993 -
|2 Crossref
|t MNRAS
|v 456
|y 2016
999 C 5 |a 10.1016/j.newar.2020.101543
|9 -- missing cx lookup --
|1 Matthews
|p 101543 -
|2 Crossref
|t New Astron. Rev.
|v 89
|y 2020
999 C 5 |a 10.1007/s00159-020-00125-0
|9 -- missing cx lookup --
|1 Neumayer
|p 4 -
|2 Crossref
|t A&AR
|v 28
|y 2020
999 C 5 |a 10.1051/0004-6361/201629692
|9 -- missing cx lookup --
|1 Ohlmann
|p A5 -
|2 Crossref
|t A&A
|v 599
|y 2017
999 C 5 |a 10.1086/306395
|9 -- missing cx lookup --
|1 Omukai
|p 141 -
|2 Crossref
|t ApJ
|v 508
|y 1998
999 C 5 |a 10.1016/j.newast.2020.101566
|9 -- missing cx lookup --
|1 Orlando
|p 101566 -
|2 Crossref
|t New Astron.
|v 86
|y 2021
999 C 5 |a 10.1093/mnras/stv2380
|9 -- missing cx lookup --
|1 Pakmor
|p 1134 -
|2 Crossref
|t MNRAS
|v 455
|y 2016
999 C 5 |a 10.1088/0067-0049/192/1/3
|9 -- missing cx lookup --
|1 Paxton
|p 3 -
|2 Crossref
|t ApJS
|v 192
|y 2011
999 C 5 |a 10.1088/0067-0049/208/1/4
|9 -- missing cx lookup --
|1 Paxton
|p 4 -
|2 Crossref
|t ApJS
|v 208
|y 2013
999 C 5 |a 10.1088/2041-8205/708/1/L42
|9 -- missing cx lookup --
|1 Preto
|p L42 -
|2 Crossref
|t ApJ
|v 708
|y 2010
999 C 5 |a 10.1086/306953
|9 -- missing cx lookup --
|1 Rauch
|p 725 -
|2 Crossref
|t ApJ
|v 514
|y 1999
999 C 5 |a 10.1038/333523a0
|9 -- missing cx lookup --
|1 Rees
|p 523 -
|2 Crossref
|t Nature
|v 333
|y 1988
999 C 5 |a 10.1007/978-3-642-80919-4_8
|p 229 -
|1 Reimers
|y 1975
|2 Crossref
|9 -- missing cx lookup --
999 C 5 |a 10.1093/mnras/stad734
|9 -- missing cx lookup --
|1 Rizzuto
|p 2930 -
|2 Crossref
|t MNRAS
|v 521
|y 2023
999 C 5 |a 10.3847/1538-4357/abc557
|9 -- missing cx lookup --
|1 Rose
|p 113 -
|2 Crossref
|t ApJ
|v 904
|y 2020
999 C 5 |a 10.3847/1538-4357/acee75
|9 -- missing cx lookup --
|1 Rose
|p 30 -
|2 Crossref
|t ApJ
|v 955
|y 2023
999 C 5 |a 10.1093/mnras/stw1241
|9 -- missing cx lookup --
|1 Ryu
|p 4122 -
|2 Crossref
|t MNRAS
|v 460
|y 2016
999 C 5 |a 10.1093/mnras/stac3608
|9 -- missing cx lookup --
|1 Sassano
|p 1837 -
|2 Crossref
|t MNRAS
|v 519
|y 2023
999 C 5 |a 10.1086/169039
|9 -- missing cx lookup --
|1 Sellgren
|p 112 -
|2 Crossref
|t ApJ
|v 359
|y 1990
999 C 5 |a 10.48550/arXiv.2304.14482
|1 Shvartzvald
|2 Crossref
|9 -- missing cx lookup --
|y 2023
999 C 5 |a 10.1111/j.1365-2966.2009.15715.x
|9 -- missing cx lookup --
|1 Springel
|p 791 -
|2 Crossref
|t MNRAS
|v 401
|y 2010
999 C 5 |a 10.1093/mnras/stx097
|9 -- missing cx lookup --
|1 Stone
|p 4180 -
|2 Crossref
|t MNRAS
|v 467
|y 2017
999 C 5 |a 10.3847/1538-4357/ab7922
|9 -- missing cx lookup --
|1 Tagawa
|p 36 -
|2 Crossref
|t ApJ
|v 892
|y 2020
999 C 5 |a 10.1086/466521
|9 -- missing cx lookup --
|1 Volonteri
|p 624 -
|2 Crossref
|t ApJ
|v 633
|y 2005
999 C 5 |a 10.3847/1538-4365/ab908c
|9 -- missing cx lookup --
|1 Weinberger
|p 32 -
|2 Crossref
|t ApJS
|v 248
|y 2020
999 C 5 |a 10.1126/science.1160259
|9 -- missing cx lookup --
|1 Yoshida
|p 669 -
|2 Crossref
|t Science
|v 321
|y 2008
999 C 5 |a 10.1093/mnras/stac3204
|9 -- missing cx lookup --
|1 Zwick
|p 2076 -
|2 Crossref
|t MNRAS
|v 518
|y 2023

LibraryCollectionCLSMajorCLSMinorLanguageAuthor
Marc 21