Widowed stars probe BH kicks Bin C osmos Mathieu Renzo PhD in - - PowerPoint PPT Presentation
Anton Pannekoek Institute Widowed stars probe BH kicks Bin C osmos Mathieu Renzo PhD in Amsterdam Collaborators: S. E. de Mink, E. Zapartas, Y. G otberg, E. Laplace, R. J. Farmer, S. Toonen, S. Justham, R. G. Izzard, D. J. Lennon,
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Bin
C
PhD in Amsterdam Collaborators: S. E. de Mink, E. Zapartas, Y. G¨
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0.0 1.0 0.0 1.0 Probability×105 10 20 30 40 50 60 70 Mdis [M⊙] 0.0 1.0
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Massive runaways mass function (v ≥ 30 km s−1, M ≥ 7.5 M⊙)
Renzo et al., submitted, arXiv:1804.09164
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0.0 1.0 0.0 1.0 Probability×105 10 20 30 40 50 60 70 Mdis [M⊙] 0.0 1.0
BH momentum kick (σkick = 265 km s−1, fiducial)
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Massive runaways mass function (v ≥ 30 km s−1, M ≥ 7.5 M⊙)
Renzo et al., submitted, arXiv:1804.09164
Anton Pannekoek Institute
0.0 1.0 0.0 1.0 Probability×105
BH: σkick = 100 km s−1 NS: σkick = 265 km s−1 (no fallback for BH)
10 20 30 40 50 60 70 Mdis [M⊙] 0.0 1.0
BH momentum kick (σkick = 265 km s−1, fiducial)
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Massive runaways mass function (v ≥ 30 km s−1, M ≥ 7.5 M⊙)
Renzo et al., submitted, arXiv:1804.09164
Anton Pannekoek Institute
0.0 1.0
BH kick=NS kick (σkick = 265 km s−1) (no fallback)
0.0 1.0 Probability×105
BH: σkick = 100 km s−1 NS: σkick = 265 km s−1 (no fallback for BH)
10 20 30 40 50 60 70 Mdis [M⊙] 0.0 1.0
BH momentum kick (σkick = 265 km s−1, fiducial)
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Massive runaways mass function (v ≥ 30 km s−1, M ≥ 7.5 M⊙)
Renzo et al., submitted, arXiv:1804.09164
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4 / 32 Credits: ESO, L. Calc ¸ada, M. Kornmesser, S.E. de Mink
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Spin up: Packet ’81, Cantiello et al. ’07, de Mink et al. ’13 Pollution: Blaauw ’93 Rejuvenation: Hellings ’83, Schneider et al. ’15
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(e.g., Blaauw ’61)
(e.g., Wheeler et al. ’75, Tauris & Takens ’98, Liu et al. ’15)
(e.g., Shklovskii ’70, Janka ’16)
−9 % of massive binaries are disrupted
Renzo et al. 18, arXiv:1804.09164
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(e.g., Blaauw ’61)
(e.g., Wheeler et al. ’75, Tauris & Takens ’98, Liu et al. ’15)
(e.g., Shklovskii ’70, Janka ’16)
−9 % of massive binaries are disrupted
Renzo et al. 18, arXiv:1804.09164
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(e.g., Blaauw ’61)
(e.g., Wheeler et al. ’75, Tauris & Takens ’98, Liu et al. ’15)
(e.g., Shklovskii ’70, Janka ’16)
2,orb
M1 M1+M2
a
−9 % of massive binaries are disrupted
Renzo et al. 18, arXiv:1804.09164
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Observationally: vpulsar ≫ vOB−stars
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Observationally: vpulsar ≫ vOB−stars
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8 / 32 Renzo et al., submitted, arXiv:1804.09164
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Take home points:
Renzo et al., submitted, arXiv:1804.09164
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Take home points:
Renzo et al., submitted, arXiv:1804.09164