TeV and optical observations of the Be/pulsar binary 1A 0535+262 during the 2020 giant outburst

The VERITAS Collaboration

TeV and optical observations of the Be/pulsar binary 1A 0535+262 during the 2020 giant outburst

The VERITAS Collaboration

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Conference article › peer-review

Abstract

1A 0535+262 is a Be X-ray binary pulsar and one of the only galactic pulsar systems to show radio jet emission. Characterizing the very high energy emission (VHE, >100 GeV) in these extreme microquasars is critical to understanding their contribution to the origin of galactic cosmic rays. The 2020 giant outburst of this system, where X-ray fluxes exceeded 12 Crab, marked a rare opportunity to investigate the gamma-ray and rapid optical variability of these transient systems while in such an extreme state. This month of activity marked the brightest flare measured in this system. VERITAS’s developing optical capabilities in tandem with the ability to measure TeV gamma rays allowed for a unique campaign to be undertaken. VERITAS’s observations of this system during the outburst will be presented in the context of observations at lower energies and previous observations of this system by imaging atmospheric Cherenkov telescopes.

Original language	English (US)
Article number	856
Journal	Proceedings of Science
Volume	395
State	Published - Mar 18 2022
Event	37th International Cosmic Ray Conference, ICRC 2021 - Virtual, Berlin, Germany Duration: Jul 12 2021 → Jul 23 2021

Bibliographical note

Funding Information:
For VERITAS see acknowledgments see: https://veritas.sao.arizona.edu/ Additionally this research was undertaken thanks in part to funding from the Canada First Research Excellence Fund through the Arthur B. McDonald Canadian Astroparticle Physics Research Institute.

Publisher Copyright:
© Copyright owned by the author(s).

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@article{43980ab933364026bf334db688e9f84c,

title = "TeV and optical observations of the Be/pulsar binary 1A 0535+262 during the 2020 giant outburst",

abstract = "1A 0535+262 is a Be X-ray binary pulsar and one of the only galactic pulsar systems to show radio jet emission. Characterizing the very high energy emission (VHE, >100 GeV) in these extreme microquasars is critical to understanding their contribution to the origin of galactic cosmic rays. The 2020 giant outburst of this system, where X-ray fluxes exceeded 12 Crab, marked a rare opportunity to investigate the gamma-ray and rapid optical variability of these transient systems while in such an extreme state. This month of activity marked the brightest flare measured in this system. VERITAS{\textquoteright}s developing optical capabilities in tandem with the ability to measure TeV gamma rays allowed for a unique campaign to be undertaken. VERITAS{\textquoteright}s observations of this system during the outburst will be presented in the context of observations at lower energies and previous observations of this system by imaging atmospheric Cherenkov telescopes.",

author = "{The VERITAS Collaboration} and Matthew Lundy and Adams, {C. B.} and A. Archer and W. Benbow and A. Brill and Buckley, {J. H.} and M. Capasso and Christiansen, {J. L.} and Chromey, {A. J.} and M. Errando and A. Falcone and Farrell, {K. A.} and Q. Feng and Foote, {G. M.} and L. Fortson and A. Furniss and A. Gent and Gillanders, {G. H.} and C. Giuri and O. Gueta and D. Hanna and O. Hervet and J. Holder and B. Hona and Humensky, {T. B.} and W. Jin and P. Kaaret and M. Kertzman and D. Kieda and Kleiner, {T. K.} and S. Kumar and Lang, {M. J.} and M. Lundy and G. Maier and McGrath, {C. E.} and P. Moriarty and R. Mukherjee and D. Nieto and M. Nievas-Rosillo and S. O{\textquoteright}Brien and Ong, {R. A.} and Otte, {A. N.} and Patel, {S. R.} and S. Patel and K. Pfrang and M. Pohl and Prado, {R. R.} and E. Pueschel and J. Quinn and D. Ribeiro",

note = "Funding Information: For VERITAS see acknowledgments see: https://veritas.sao.arizona.edu/ Additionally this research was undertaken thanks in part to funding from the Canada First Research Excellence Fund through the Arthur B. McDonald Canadian Astroparticle Physics Research Institute. Publisher Copyright: {\textcopyright} Copyright owned by the author(s).; 37th International Cosmic Ray Conference, ICRC 2021 ; Conference date: 12-07-2021 Through 23-07-2021",

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month = mar,

day = "18",

language = "English (US)",

volume = "395",

journal = "Proceedings of Science",

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T1 - TeV and optical observations of the Be/pulsar binary 1A 0535+262 during the 2020 giant outburst

AU - The VERITAS Collaboration

AU - Lundy, Matthew

AU - Adams, C. B.

AU - Archer, A.

AU - Benbow, W.

AU - Brill, A.

AU - Buckley, J. H.

AU - Capasso, M.

AU - Christiansen, J. L.

AU - Chromey, A. J.

AU - Errando, M.

AU - Falcone, A.

AU - Farrell, K. A.

AU - Feng, Q.

AU - Foote, G. M.

AU - Fortson, L.

AU - Furniss, A.

AU - Gent, A.

AU - Gillanders, G. H.

AU - Giuri, C.

AU - Gueta, O.

AU - Hanna, D.

AU - Hervet, O.

AU - Holder, J.

AU - Hona, B.

AU - Humensky, T. B.

AU - Jin, W.

AU - Kaaret, P.

AU - Kertzman, M.

AU - Kieda, D.

AU - Kleiner, T. K.

AU - Kumar, S.

AU - Lang, M. J.

AU - Lundy, M.

AU - Maier, G.

AU - McGrath, C. E.

AU - Moriarty, P.

AU - Mukherjee, R.

AU - Nieto, D.

AU - Nievas-Rosillo, M.

AU - O’Brien, S.

AU - Ong, R. A.

AU - Otte, A. N.

AU - Patel, S. R.

AU - Patel, S.

AU - Pfrang, K.

AU - Pohl, M.

AU - Prado, R. R.

AU - Pueschel, E.

AU - Quinn, J.

AU - Ribeiro, D.

N1 - Funding Information: For VERITAS see acknowledgments see: https://veritas.sao.arizona.edu/ Additionally this research was undertaken thanks in part to funding from the Canada First Research Excellence Fund through the Arthur B. McDonald Canadian Astroparticle Physics Research Institute. Publisher Copyright: © Copyright owned by the author(s).

PY - 2022/3/18

Y1 - 2022/3/18

N2 - 1A 0535+262 is a Be X-ray binary pulsar and one of the only galactic pulsar systems to show radio jet emission. Characterizing the very high energy emission (VHE, >100 GeV) in these extreme microquasars is critical to understanding their contribution to the origin of galactic cosmic rays. The 2020 giant outburst of this system, where X-ray fluxes exceeded 12 Crab, marked a rare opportunity to investigate the gamma-ray and rapid optical variability of these transient systems while in such an extreme state. This month of activity marked the brightest flare measured in this system. VERITAS’s developing optical capabilities in tandem with the ability to measure TeV gamma rays allowed for a unique campaign to be undertaken. VERITAS’s observations of this system during the outburst will be presented in the context of observations at lower energies and previous observations of this system by imaging atmospheric Cherenkov telescopes.

AB - 1A 0535+262 is a Be X-ray binary pulsar and one of the only galactic pulsar systems to show radio jet emission. Characterizing the very high energy emission (VHE, >100 GeV) in these extreme microquasars is critical to understanding their contribution to the origin of galactic cosmic rays. The 2020 giant outburst of this system, where X-ray fluxes exceeded 12 Crab, marked a rare opportunity to investigate the gamma-ray and rapid optical variability of these transient systems while in such an extreme state. This month of activity marked the brightest flare measured in this system. VERITAS’s developing optical capabilities in tandem with the ability to measure TeV gamma rays allowed for a unique campaign to be undertaken. VERITAS’s observations of this system during the outburst will be presented in the context of observations at lower energies and previous observations of this system by imaging atmospheric Cherenkov telescopes.

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M3 - Conference article

AN - SCOPUS:85144095306

SN - 1824-8039

VL - 395

JO - Proceedings of Science

JF - Proceedings of Science

M1 - 856

T2 - 37th International Cosmic Ray Conference, ICRC 2021

Y2 - 12 July 2021 through 23 July 2021

ER -

TeV and optical observations of the Be/pulsar binary 1A 0535+262 during the 2020 giant outburst

Abstract

Bibliographical note

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