Constraints on Weak Supernova Kicks from Observed Pulsar Velocities

Research output: Contribution to journal › Letter › Research › peer-review

Standard

Constraints on Weak Supernova Kicks from Observed Pulsar Velocities. / Willcox, Reinhold; Mandel, Ilya; Thrane, Eric; Deller, Adam; Stevenson, Simon; Vigna-Gomez, Alejandro.

In: Astrophysical Journal Letters, Vol. 920, No. 2, L37, 18.10.2021.

Research output: Contribution to journal › Letter › Research › peer-review

Harvard

Willcox, R, Mandel, I, Thrane, E, Deller, A, Stevenson, S & Vigna-Gomez, A 2021, 'Constraints on Weak Supernova Kicks from Observed Pulsar Velocities', Astrophysical Journal Letters, vol. 920, no. 2, L37. https://doi.org/10.3847/2041-8213/ac2cc8

APA

Willcox, R., Mandel, I., Thrane, E., Deller, A., Stevenson, S., & Vigna-Gomez, A. (2021). Constraints on Weak Supernova Kicks from Observed Pulsar Velocities. Astrophysical Journal Letters, 920(2), [L37]. https://doi.org/10.3847/2041-8213/ac2cc8

Vancouver

Willcox R, Mandel I, Thrane E, Deller A, Stevenson S, Vigna-Gomez A. Constraints on Weak Supernova Kicks from Observed Pulsar Velocities. Astrophysical Journal Letters. 2021 Oct 18;920(2). L37. https://doi.org/10.3847/2041-8213/ac2cc8

Author

Willcox, Reinhold ; Mandel, Ilya ; Thrane, Eric ; Deller, Adam ; Stevenson, Simon ; Vigna-Gomez, Alejandro. / Constraints on Weak Supernova Kicks from Observed Pulsar Velocities. In: Astrophysical Journal Letters. 2021 ; Vol. 920, No. 2.

Bibtex

@article{c7bd85e53a5d44f7b3822b245f8777ed,
title = "Constraints on Weak Supernova Kicks from Observed Pulsar Velocities",
abstract = "Observations of binary pulsars and pulsars in globular clusters suggest that at least some pulsars must receive weak natal kicks at birth. If all pulsars received strong natal kicks above 50 km s(-1), those born in globular clusters would predominantly escape, while wide binaries would be disrupted. On the other hand, observations of transverse velocities of isolated radio pulsars indicate that only 5 +/- 2% have velocities below 50 km s(-1). We explore this apparent tension with rapid binary population synthesis modeling. We propose a model in which supernovae with characteristically low natal kicks (e.g., electron-capture supernovae) only occur if the progenitor star has been stripped via binary interaction with a companion. We show that this model naturally reproduces the observed pulsar speed distribution and without reducing the predicted merging double neutron star yield. We estimate that the zero-age main-sequence mass range for noninteracting progenitors of electron-capture supernovae should be no wider than approximate to 0.2 M (circle dot).",
keywords = "ACCRETION-INDUCED COLLAPSE, NEUTRON-STAR SYSTEMS, CORE-COLLAPSE, PROPER MOTIONS, PRECISION, EVOLUTION, PARALLAXES, KINEMATICS, ASTROMETRY, ASTROPY",
author = "Reinhold Willcox and Ilya Mandel and Eric Thrane and Adam Deller and Simon Stevenson and Alejandro Vigna-Gomez",
year = "2021",
month = oct,
day = "18",
doi = "10.3847/2041-8213/ac2cc8",
language = "English",
volume = "920",
journal = "The Astrophysical Journal Letters",
issn = "2041-8205",
publisher = "IOP Publishing",
number = "2",

}

RIS

TY - JOUR

T1 - Constraints on Weak Supernova Kicks from Observed Pulsar Velocities

AU - Willcox, Reinhold

AU - Mandel, Ilya

AU - Thrane, Eric

AU - Deller, Adam

AU - Stevenson, Simon

AU - Vigna-Gomez, Alejandro

PY - 2021/10/18

Y1 - 2021/10/18

N2 - Observations of binary pulsars and pulsars in globular clusters suggest that at least some pulsars must receive weak natal kicks at birth. If all pulsars received strong natal kicks above 50 km s(-1), those born in globular clusters would predominantly escape, while wide binaries would be disrupted. On the other hand, observations of transverse velocities of isolated radio pulsars indicate that only 5 +/- 2% have velocities below 50 km s(-1). We explore this apparent tension with rapid binary population synthesis modeling. We propose a model in which supernovae with characteristically low natal kicks (e.g., electron-capture supernovae) only occur if the progenitor star has been stripped via binary interaction with a companion. We show that this model naturally reproduces the observed pulsar speed distribution and without reducing the predicted merging double neutron star yield. We estimate that the zero-age main-sequence mass range for noninteracting progenitors of electron-capture supernovae should be no wider than approximate to 0.2 M (circle dot).

AB - Observations of binary pulsars and pulsars in globular clusters suggest that at least some pulsars must receive weak natal kicks at birth. If all pulsars received strong natal kicks above 50 km s(-1), those born in globular clusters would predominantly escape, while wide binaries would be disrupted. On the other hand, observations of transverse velocities of isolated radio pulsars indicate that only 5 +/- 2% have velocities below 50 km s(-1). We explore this apparent tension with rapid binary population synthesis modeling. We propose a model in which supernovae with characteristically low natal kicks (e.g., electron-capture supernovae) only occur if the progenitor star has been stripped via binary interaction with a companion. We show that this model naturally reproduces the observed pulsar speed distribution and without reducing the predicted merging double neutron star yield. We estimate that the zero-age main-sequence mass range for noninteracting progenitors of electron-capture supernovae should be no wider than approximate to 0.2 M (circle dot).

KW - ACCRETION-INDUCED COLLAPSE

KW - NEUTRON-STAR SYSTEMS

KW - CORE-COLLAPSE

KW - PROPER MOTIONS

KW - PRECISION

KW - EVOLUTION

KW - PARALLAXES

KW - KINEMATICS

KW - ASTROMETRY

KW - ASTROPY

U2 - 10.3847/2041-8213/ac2cc8

DO - 10.3847/2041-8213/ac2cc8

M3 - Letter

VL - 920

JO - The Astrophysical Journal Letters

JF - The Astrophysical Journal Letters

SN - 2041-8205

IS - 2

M1 - L37

ER -

ID: 282471047