David Radice — October 27, 2020
Neutron Star Merger Dynamics
arXiv:2002.03863
www.computational-relativity.org
Neutron Star Merger Dynamics www.computational-relativity.org - - PowerPoint PPT Presentation
Neutron Star Merger Dynamics www.computational-relativity.org arXiv:2002.03863 David Radice October 27, 2020 GW170817 From LIGO Scientific Collaboration and Virgo Collaboration, Fermi GBM, INTEGRAL, IceCube Collaboration, AstroSat Cadmium
David Radice — October 27, 2020
arXiv:2002.03863
www.computational-relativity.org
From LIGO Scientific Collaboration and Virgo Collaboration, Fermi GBM, INTEGRAL, IceCube Collaboration, AstroSat Cadmium Zinc Telluride Imager Team, IPN Collaboration, The Insight-Hxmt Collaboration, ANTARES Collaboration, The Swift Collaboration, AGILE Team, The 1M2H Team, The Dark Energy Camera GW-EM Collaboration and the DES Collaboration, The DLT40 Collaboration, GRAWITA: GRAvitational Wave Inaf TeAm, The Fermi Large Area Telescope Collaboration, ATCA: Australia Telescope Compact Array, ASKAP: Australian SKA Pathfinder, Las Cumbres Observatory Group, OzGrav, DWF (Deeper, Wider, Faster Program), AST3, and CAASTRO Collaborations, The VINROUGE Collaboration, MASTER Collaboration, J-GEM, GROWTH, JAGWAR, Caltech- NRAO, TTU-NRAO, and NuSTAR Collaborations, Pan-STARRS, The MAXI Team, TZAC Consortium, KU Collaboration, Nordic Optical Telescope, ePESSTO, GROND, Texas Tech University, SALT Group, TOROS: Transient Robotic Observatory of the South Collaboration, The BOOTES Collaboration, MWA: Murchison Widefield Array, The CALET Collaboration, IKI-GW Follow-up Collaboration, H.E.S.S. Collaboration, LOFAR Collaboration, LWA: Long Wavelength Array, HAWC Collaboration, The Pierre Auger Collaboration, ALMA Collaboration, Euro VLBI Team, Pi of the Sky Collaboration, The Chandra Team at McGill University, DFN: Desert Fireball Network, ATLAS, High Time Resolution Universe Survey, RIMAS and RATIR, and SKA South Africa/MeerKAT ApJL 848:L12 (2017)
From LIGO Scientific Collaboration and Virgo Collaboration, Fermi GBM, INTEGRAL, IceCube Collaboration, AstroSat Cadmium Zinc Telluride Imager Team, IPN Collaboration, The Insight-Hxmt Collaboration, ANTARES Collaboration, The Swift Collaboration, AGILE Team, The 1M2H Team, The Dark Energy Camera GW-EM Collaboration and the DES Collaboration, The DLT40 Collaboration, GRAWITA: GRAvitational Wave Inaf TeAm, The Fermi Large Area Telescope Collaboration, ATCA: Australia Telescope Compact Array, ASKAP: Australian SKA Pathfinder, Las Cumbres Observatory Group, OzGrav, DWF (Deeper, Wider, Faster Program), AST3, and CAASTRO Collaborations, The VINROUGE Collaboration, MASTER Collaboration, J-GEM, GROWTH, JAGWAR, Caltech- NRAO, TTU-NRAO, and NuSTAR Collaborations, Pan-STARRS, The MAXI Team, TZAC Consortium, KU Collaboration, Nordic Optical Telescope, ePESSTO, GROND, Texas Tech University, SALT Group, TOROS: Transient Robotic Observatory of the South Collaboration, The BOOTES Collaboration, MWA: Murchison Widefield Array, The CALET Collaboration, IKI-GW Follow-up Collaboration, H.E.S.S. Collaboration, LOFAR Collaboration, LWA: Long Wavelength Array, HAWC Collaboration, The Pierre Auger Collaboration, ALMA Collaboration, Euro VLBI Team, Pi of the Sky Collaboration, The Chandra Team at McGill University, DFN: Desert Fireball Network, ATLAS, High Time Resolution Universe Survey, RIMAS and RATIR, and SKA South Africa/MeerKAT ApJL 848:L12 (2017)
deconfined quarks?
merger? Was it swirling around in an accretion disk? Or was it tidally ejected prior to the cataclysmic collision?
GWs Viscosity Neutrinos
GW170817 — In the frequency domain vs theory prediction https://teobresums.github.io/gwevents/
GW170817 — In the frequency domain vs theory prediction https://teobresums.github.io/gwevents/
Dietrich, DR, Bernuzzi+ CQG 35:LT01 (2018)
www.computational-relativity.org
Dietrich, DR, Bernuzzi+ CQG 35:LT01 (2018)
www.computational-relativity.org
z
DR, Galeazzi+ MRAS 460:3255 (2016) See also Bausswein+ 2013, Hotokezaka+ 2013, Wanajo+ 2014, Sekiguchi+ 2015, 2016, Foucart+ 2016, Lehner+ 2016, Dietrich+ 2016, DR+ 2018, …
From Villar et al. ApJL 851:L21 (2017)
M red
ej
' 0.05M, vred
ej
' 0.15c. M blue
ej
' 0.02M, vblue
ej
' 0.25c.
0.05 0.10 0.15 0.20 0.25 0.30 0.35
hYe; eji
10°3 10°2 10°1 Mej [MØ]
Tot.Ej. Sec.Ej Blue kN [S] Red kN [S] LS220 DD2 SLy4 SFHo BLh
Dynamical ejecta
From Nedora, Bernuzzi, DR+, 2008.04333
Spiral-wave wind? Viscous wind?
−100 −50
50 100 X [km]
−100 −50
50 100 Z [km] BLh q=1.00 (SR), t − tmerg = 88 ms 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 Ye 10 20 30 40 50 s [kb/baryon]
Mchirp = 1.188 M
Bernuzzi, …, DR+, arXiv:2003.06015
Bernuzzi, …, DR+, arXiv:2003.06015
Prompt-BH with large disk!
−3 −2 −1 log(Mdisk/MØ)
BHBΛφ DD2 LS220 SFHo Fit Fit
250 500 750 1000 1250 1500 ˜ Λ −1 1 ∆ log(Mdisk/MØ)
DR, Perego+ ApJL 852:L29 (2018); DR & Dai, Eur. Phys. J. A 55: 50 (2019)
See also Krüger+ 2020; Salafia+ 2020; …
GW Only GW + EM Prior
DR, Perego+ ApJL 852:L29 (2018); DR & Dai, Eur. Phys. J. A 55: 50 (2019)
See also Gamba+ 2020
GW Only GW + EM Prior NICER
DR, Perego+ ApJL 852:L29 (2018); DR & Dai, Eur. Phys. J. A 55: 50 (2019)
See also Gamba+ 2020
GW Only GW + EM Prior NICER
GW Only GW + EM Prior NICER
DR, Perego+ ApJL 852:L29 (2018); DR & Dai, Eur. Phys. J. A 55: 50 (2019)
4.0 4.5 5.0 5.5 6.0 6.5 J [G c°1M 2
Ø]
10°2 10°1 100 101 102 103 J/ ˙ JGW [s]
BHBΛφ DD2 LS220 SFHo DD2 – (1.35 + 1.35)MØ – M0 DD2 – (1.35 + 1.35)MØ – M0
DR, Perego, Bernuzzi, Zhang, MNRAS 481:3670 (2018)
3 4 5 6 7 8 9 J [G c°1M 2
Ø]
2.50 2.75 3.00 3.25 3.50 3.75 4.00 Mb [MØ]
BH HMNS SMNS MNS RNS RNS
2.32 2.54 2.75 2.95 3.16 3.36 3.55 M [MØ]
DR, Perego, Bernuzzi, Zhang, MNRAS 481:3670 (2018)
20 40 60 80 100 t tmerg [ms] 0.0 0.5 1.0 Mej [102M]
DD2 Dyn. DD2 Wind LS220 Dyn. LS220 Wind
From Nedora, Bernuzzi, DR+, ApJL 886:L30 (2019)
50 100 150 Mass number, A 10−4 10−3 10−2 10−1 Relative final abundances
DD2 Dyn. DD2 Dyn.+Wind LS220 Dyn. LS220 Dyn.+Wind
100 101 time [days] 16 18 20 22 24 AB magnitude at 40 Mpc g band 100 101 time [days] z band 100 101 time [days] Ks band
LS220 DD2 AT2017gfo
0.5 1.0 1.5 2.0 2.5 3.0 Mej [102M]
Viscous wind?
From Nedora, Bernuzzi, DR+, ApJL 886:L30 (2019)
Promising, but incomplete, and not the only possible explanation
From Sekiguchi+ 2011 From Miller+ 2019 See also: Dessart+ 2008, Perego+ 2014, Just+ 2015, Metzger+ 2014, Foucart+ 2016, Siegel & Metzger 2018, Fujibayashi+ 2017, 2020 …
Mösta, DR+, ApJL 2020 Kiuchi+ 2014 Siegel & Metzger 2018 See also Price & Rosswog 2006; Andreson+ 2008; Etienne+ 2011; Endrizzi+ 2014; Giacomazzo+ 2015; Ruiz+ 2016; Palenzuela+ 2016; Fernandez+ 2018; Ciolfi+ 2019; …
4 5 6 J [G c1M2
]
2.850 2.875 2.900 2.925 2.950 2.975 3.000 Mb [M] BLh* q=1.00 (SR)
JADM JGW Expected Evolution Mb, J evolution (3D data) extrapolation (every 50 ms) RNS
2.59 2.62 2.64 2.67 2.69 2.72 M [M]
From Nedora, Bernuzzi, DR+, 2008.04333
still a vast parameter space volume to explore.
in the postmerger. Higher resolution, longer, and more sophisticated simulations are needed.