A two-year monitoring campaign of Supergiant Fast X-ray Transients with Swift

P. Romano, V. La Parola, G. Cusumano, S. Vercellone, P. Esposito, Jamie A. Kennea, David Nelson Burrows, H. A. Krimm, C. Pagani, N. Gehrels

Research output: Contribution to journalConference article

Abstract

Swift is the only observatory which, due to its unique fast-slewing capability and broad-band energy coverage, can detect outbursts from Supergiant Fast X-ray Transients (SFXTs) from the very beginning and study their evolution panchromatically. Thanks to its flexible observing scheduling, which makes monitoring cost-effective, Swift has also performed a campaign that covers all phases of the lives of SFXTs with a high sensitivity in the soft X-ray regime, where most SFXTs had not been observed before. Our continued effort at monitorning SFXTs with 2-3 observations per week (1-2 ks) with the Swift X-Ray Telescope (XRT) over their entire visibility period has just finished its second year. We report on our findings on the long-term properties of SFXTs, their duty cycle, and the new outbursts caught by Swift during the second year.

Original languageEnglish (US)
JournalProceedings of Science
StatePublished - Dec 1 2010
Event8th INTEGRAL Workshop on the Restless Gamma-Ray Universe, INTEGRAL 2010 - Dublin Castle, Dublin, Ireland
Duration: Sep 27 2010Sep 30 2010

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x rays
slewing
scheduling
visibility
observatories
telescopes
broadband
costs
cycles
sensitivity
energy

All Science Journal Classification (ASJC) codes

  • General

Cite this

Romano, P., La Parola, V., Cusumano, G., Vercellone, S., Esposito, P., Kennea, J. A., ... Gehrels, N. (2010). A two-year monitoring campaign of Supergiant Fast X-ray Transients with Swift. Proceedings of Science.
Romano, P. ; La Parola, V. ; Cusumano, G. ; Vercellone, S. ; Esposito, P. ; Kennea, Jamie A. ; Burrows, David Nelson ; Krimm, H. A. ; Pagani, C. ; Gehrels, N. / A two-year monitoring campaign of Supergiant Fast X-ray Transients with Swift. In: Proceedings of Science. 2010.
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Romano, P, La Parola, V, Cusumano, G, Vercellone, S, Esposito, P, Kennea, JA, Burrows, DN, Krimm, HA, Pagani, C & Gehrels, N 2010, 'A two-year monitoring campaign of Supergiant Fast X-ray Transients with Swift', Proceedings of Science.

A two-year monitoring campaign of Supergiant Fast X-ray Transients with Swift. / Romano, P.; La Parola, V.; Cusumano, G.; Vercellone, S.; Esposito, P.; Kennea, Jamie A.; Burrows, David Nelson; Krimm, H. A.; Pagani, C.; Gehrels, N.

In: Proceedings of Science, 01.12.2010.

Research output: Contribution to journalConference article

TY - JOUR

T1 - A two-year monitoring campaign of Supergiant Fast X-ray Transients with Swift

AU - Romano, P.

AU - La Parola, V.

AU - Cusumano, G.

AU - Vercellone, S.

AU - Esposito, P.

AU - Kennea, Jamie A.

AU - Burrows, David Nelson

AU - Krimm, H. A.

AU - Pagani, C.

AU - Gehrels, N.

PY - 2010/12/1

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N2 - Swift is the only observatory which, due to its unique fast-slewing capability and broad-band energy coverage, can detect outbursts from Supergiant Fast X-ray Transients (SFXTs) from the very beginning and study their evolution panchromatically. Thanks to its flexible observing scheduling, which makes monitoring cost-effective, Swift has also performed a campaign that covers all phases of the lives of SFXTs with a high sensitivity in the soft X-ray regime, where most SFXTs had not been observed before. Our continued effort at monitorning SFXTs with 2-3 observations per week (1-2 ks) with the Swift X-Ray Telescope (XRT) over their entire visibility period has just finished its second year. We report on our findings on the long-term properties of SFXTs, their duty cycle, and the new outbursts caught by Swift during the second year.

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Romano P, La Parola V, Cusumano G, Vercellone S, Esposito P, Kennea JA et al. A two-year monitoring campaign of Supergiant Fast X-ray Transients with Swift. Proceedings of Science. 2010 Dec 1.