The white dwarf binary merger model of GRB 170817A-Reference-Cited by-同舟云学术

The white dwarf binary merger model of GRB 170817A

Published:2022-02-16 Issue:07 Volume:31 Page:
ISSN:0218-2718
Container-title:International Journal of Modern Physics D
language:en
Short-container-title:Int. J. Mod. Phys. D

Author:

Rueda J. A.¹²³⁴⁵,Ruffini R.¹²⁶⁷,Li Liang¹²⁸,Moradi R.¹²⁸,Sahakyan N.⁹,Wang Y.¹²⁸

Affiliation:

1. ICRANet, Piazza della Repubblica 10, I-65122 Pescara, Italy

2. ICRA, Dipartimento di Fisica, Sapienza Università di Roma, Piazzale Aldo Moro 5, I-00185 Roma, Italy

3. ICRANet-Ferrara, Dipartimento di Fisica e Scienze della Terra, Università degli Studi di Ferrara, Via Saragat 1, I–44122 Ferrara, Italy

4. Dipartimento di Fisica e Scienze della Terra, Università degli Studi di Ferrara, Via Saragat 1, I–44122 Ferrara, Italy

5. INAF, Istituto di Astrofisica e Planetologia Spaziali, Via Fosso del Cavaliere 100, 00133 Rome, Italy

6. Université de Nice Sophia-Antipolis, Grand Château Parc Valrose, Nice, CEDEX 2, France

7. INAF, Viale del Parco Mellini 84, 00136 Rome, Italy

8. INAF – Osservatorio Astronomico d’Abruzzo, Via M. Maggini snc, I-64100 Teramo, Italy

9. ICRANet-Armenia, Marshall Baghramian Avenue 24a, Yerevan 0019, Republic of Armenia

Abstract

Following the GRB 170817A prompt emission lasting a fraction of a second, [Formula: see text][Formula: see text]s of data in the X-rays, optical, and radio wavelengths have been acquired. We here present a model that fits the spectra, flux, and time variability of all these emissions, based on the thermal and synchrotron cooling of the expanding matter ejected in a binary white dwarf merger. The [Formula: see text] of ejecta, expanding at velocities of [Formula: see text][Formula: see text]cm[Formula: see text]s[Formula: see text], are powered by the newborn massive, fast rotating, magnetized white dwarf with a mass of [Formula: see text], a rotation period of [Formula: see text][Formula: see text]s, and a dipole magnetic field [Formula: see text] G, born in the merger of a [Formula: see text] white dwarf binary. Therefore, the long-lasting mystery of the GRB 170817A nature is solved by the merger of a white dwarf binary that also explains the prompt emission energetics.

Publisher

World Scientific Pub Co Pte Ltd

Subject

Space and Planetary Science,Astronomy and Astrophysics,Mathematical Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218271822300130

Reference67 articles.

1. Multi-messenger Observations of a Binary Neutron Star Merger

2. An Ordinary Short Gamma-Ray Burst with Extraordinary Implications: Fermi -GBM Detection of GRB 170817A

3. INTEGRAL Detection of the First Prompt Gamma-Ray Signal Coincident with the Gravitational-wave Event GW170817

4. Gravitational Waves and Gamma-Rays from a Binary Neutron Star Merger: GW170817 and GRB 170817A

5. Spectroscopic identification of r-process nucleosynthesis in a double neutron-star merger

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