VERITAS and Fermi-LAT Constraints on the Gamma-Ray Emission from Superluminous Supernovae SN2015bn and SN2017egm

VERITAS and Fermi-LAT Constraints on the Gamma-Ray Emission from Superluminous Supernovae SN2015bn and SN2017egm
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DOI：
10.3847/1538-4357/acb7e6
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发表时间：
2023-02
期刊：
The Astrophysical Journal
影响因子：
--
通讯作者：
A. Acharyya;C. Adams;P. Bangale;W. Benbow;J. Buckley;M. Capasso;V. Dwarkadas;M. Errando;A. Falcone;Q. Feng;J. Finley;G. Foote;L. Fortson;A. Furniss;G. Gallagher;A. Gent;W. Hanlon;O. Hervet;J. Holder;T. Humensky;W. Jin;P. Kaaret;M. Kertzman;M. Kherlakian;D. Kieda;T. Kleiner;S. Kumar;M. Lang;M. Lundy;G. Maier;C. McGrath;J. Millis;P. Moriarty;R. Mukherjee;M. Nievas-Rosillo;S. O’Brien;R. Ong;S. Patel;K. Pfrang;M. Pohl;E. Pueschel;J. Quinn;K. Ragan;P. Reynolds;D. Ribeiro;E. Roache;J. Ryan;I. Sadeh;M. Santander;G. Sembroski;R. Shang;M. Splettstoesser;D. Tak;J. Tucci;A. Weinstein;D. Williams;B. Metzger;M. Nicholl;I. Vurm
A. Acharyya;C. Adams;P. Bangale;W. Benbow;J. Buckley;M. Capasso;V. Dwarkadas;M. Errando;A. Falcone;Q. Feng;J. Finley;G. Foote;L. Fortson;A. Furniss;G. Gallagher;A. Gent;W. Hanlon;O. Hervet;J. Holder;T. Humensky;W. Jin;P. Kaaret;M. Kertzman;M. Kherlakian;D. Kieda;T. Kleiner;S. Kumar;M. Lang;M. Lundy;G. Maier;C. McGrath;J. Millis;P. Moriarty;R. Mukherjee;M. Nievas-Rosillo;S. O’Brien;R. Ong;S. Patel;K. Pfrang;M. Pohl;E. Pueschel;J. Quinn;K. Ragan;P. Reynolds;D. Ribeiro;E. Roache;J. Ryan;I. Sadeh;M. Santander;G. Sembroski;R. Shang;M. Splettstoesser;D. Tak;J. Tucci;A. Weinstein;D. Williams;B. Metzger;M. Nicholl;I. Vurm
中科院分区：
其他
文献类型：
--
作者：
A. Acharyya;C. Adams;P. Bangale;W. Benbow;J. Buckley;M. Capasso;V. Dwarkadas;M. Errando;A. Falcone;Q. Feng;J. Finley;G. Foote;L. Fortson;A. Furniss;G. Gallagher;A. Gent;W. Hanlon;O. Hervet;J. Holder;T. Humensky;W. Jin;P. Kaaret;M. Kertzman;M. Kherlakian;D. Kieda;T. Kleiner;S. Kumar;M. Lang;M. Lundy;G. Maier;C. McGrath;J. Millis;P. Moriarty;R. Mukherjee;M. Nievas-Rosillo;S. O’Brien;R. Ong;S. Patel;K. Pfrang;M. Pohl;E. Pueschel;J. Quinn;K. Ragan;P. Reynolds;D. Ribeiro;E. Roache;J. Ryan;I. Sadeh;M. Santander;G. Sembroski;R. Shang;M. Splettstoesser;D. Tak;J. Tucci;A. Weinstein;D. Williams;B. Metzger;M. Nicholl;I. Vurm

文献摘要

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超光超新星(SLSNe)是一种罕见的恒星爆炸，其亮度∼是普通的核心塌缩超新星的10-100倍。解释贫氢(I型)SLSNe增强光学输出的一个流行模型是从快速旋转的磁星注入能量。在这种情况下，一种预测是，在磁星的风星云中产生的高能伽马射线可能会在晚些时候(光学峰值后几个月或更长时间)通过不断膨胀的超新星抛射物逃逸。本文利用费米-LAT和VERITAS的观测资料，对两个I型SLSNe SN2015BN和SN2017egm在100 MeV到30TeV的宽能带内的伽马射线辐射进行了研究。虽然这两个源都没有探测到伽马射线发射，但推导出的上限接近假定的磁星自旋向下的光度。探索了利用现有和计划中的设施，如VERITAS和CTA探测SLSNe-I超高能(VHE；100GeV-100TeV)排放的前景。
Superluminous supernovae (SLSNe) are a rare class of stellar explosions with luminosities ∼ 10–100 times greater than ordinary core-collapse supernovae. One popular model to explain the enhanced optical output of hydrogen-poor (Type I) SLSNe invokes energy injection from a rapidly spinning magnetar. A prediction in this case is that high-energy gamma-rays, generated in the wind nebula of the magnetar, could escape through the expanding supernova ejecta at late times (months or more after optical peak). This paper presents a search for gamma-ray emission in the broad energy band from 100 MeV to 30 TeV from two Type I SLSNe, SN2015bn, and SN2017egm, using observations from Fermi-LAT and VERITAS. Although no gamma-ray emission was detected from either source, the derived upper limits approach the putative magnetar’s spin-down luminosity. Prospects are explored for detecting very-high-energy (VHE; 100 GeV–100 TeV) emission from SLSNe-I with existing and planned facilities such as VERITAS and CTA.