The burst alert telescope (BAT) on the SWIFT midex mission

Scott D. Barthelmy; Louis M. Barbier; Jay R. Cummings; Ed E. Fenimore; Neil Gehrels; Derek Hullinger; Hans A. Krimm; Craig B. Markwardt; David M. Palmer; Ann Parsons; Goro Sato; Masaya Suzuki; Tadayuki Takahashi; Makota Tashiro; Jack Tueller

doi:10.1007/s11214-005-5096-3

The burst alert telescope (BAT) on the SWIFT midex mission

Scott D. Barthelmy^*, Louis M. Barbier, Jay R. Cummings, Ed E. Fenimore, Neil Gehrels, Derek Hullinger, Hans A. Krimm, Craig B. Markwardt, David M. Palmer, Ann Parsons, Goro Sato, Masaya Suzuki, Tadayuki Takahashi, Makota Tashiro, Jack Tueller

^*Corresponding author for this work

Waseda Research Institute for Science and Engineering

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

1416 Citations (Scopus)

Abstract

The burst alert telescope (BAT) is one of three instruments on the Swift MIDEX spacecraft to study gamma-ray bursts (GRBs). The BAT first detects the GRB and localizes the burst direction to an accuracy of 1-4 arcmin within 20 s after the start of the event. The GRB trigger initiates an autonomous spacecraft slew to point the two narrow field-of-view (FOV) instruments at the burst location within 20-70 s so to make follow-up X-ray and optical observations. The BAT is a wide-FOV, coded-aperture instrument with a CdZnTe detector plane. The detector plane is composed of 32,768 pieces of CdZnTe (4×4×2 mm), and the coded-aperture mask is composed of ∼52,000 pieces of lead (5×5×1 mm) with a 1-m separation between mask and detector plane. The BAT operates over the 15-150 keV energy range with ∼7 keV resolution, a sensitivity of ∼10 ^-8 erg s ^-1 cm ^-2, and a 1.4 sr (half-coded) FOV. We expect to detect > 100 GRBs/year for a 2-year mission. The BAT also performs an all-sky hard X-ray survey with a sensitivity of ∼2 m Crab (systematic limit) and it serves as a hard X-ray transient monitor.

Original language	English
Pages (from-to)	143-164
Number of pages	22
Journal	Space Science Reviews
Volume	120
Issue number	3-4
DOIs	https://doi.org/10.1007/s11214-005-5096-3
Publication status	Published - 2005 Dec

Keywords

Afterglow
Astrophysics
Burst
Coded aperture
Cosmology
CZT
Gamma-ray
GRB
Hard X-ray
Survey

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science
Physics and Astronomy (miscellaneous)

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10.1007/s11214-005-5096-3

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Barthelmy, S. D., Barbier, L. M., Cummings, J. R., Fenimore, E. E., Gehrels, N., Hullinger, D., Krimm, H. A., Markwardt, C. B., Palmer, D. M., Parsons, A., Sato, G., Suzuki, M., Takahashi, T., Tashiro, M., & Tueller, J. (2005). The burst alert telescope (BAT) on the SWIFT midex mission. Space Science Reviews, 120(3-4), 143-164. https://doi.org/10.1007/s11214-005-5096-3

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title = "The burst alert telescope (BAT) on the SWIFT midex mission",

abstract = "The burst alert telescope (BAT) is one of three instruments on the Swift MIDEX spacecraft to study gamma-ray bursts (GRBs). The BAT first detects the GRB and localizes the burst direction to an accuracy of 1-4 arcmin within 20 s after the start of the event. The GRB trigger initiates an autonomous spacecraft slew to point the two narrow field-of-view (FOV) instruments at the burst location within 20-70 s so to make follow-up X-ray and optical observations. The BAT is a wide-FOV, coded-aperture instrument with a CdZnTe detector plane. The detector plane is composed of 32,768 pieces of CdZnTe (4×4×2 mm), and the coded-aperture mask is composed of ∼52,000 pieces of lead (5×5×1 mm) with a 1-m separation between mask and detector plane. The BAT operates over the 15-150 keV energy range with ∼7 keV resolution, a sensitivity of ∼10 -8 erg s -1 cm -2, and a 1.4 sr (half-coded) FOV. We expect to detect > 100 GRBs/year for a 2-year mission. The BAT also performs an all-sky hard X-ray survey with a sensitivity of ∼2 m Crab (systematic limit) and it serves as a hard X-ray transient monitor.",

keywords = "Afterglow, Astrophysics, Burst, Coded aperture, Cosmology, CZT, Gamma-ray, GRB, Hard X-ray, Survey",

author = "Barthelmy, {Scott D.} and Barbier, {Louis M.} and Cummings, {Jay R.} and Fenimore, {Ed E.} and Neil Gehrels and Derek Hullinger and Krimm, {Hans A.} and Markwardt, {Craig B.} and Palmer, {David M.} and Ann Parsons and Goro Sato and Masaya Suzuki and Tadayuki Takahashi and Makota Tashiro and Jack Tueller",

year = "2005",

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doi = "10.1007/s11214-005-5096-3",

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AU - Gehrels, Neil

AU - Hullinger, Derek

AU - Krimm, Hans A.

AU - Markwardt, Craig B.

AU - Palmer, David M.

AU - Parsons, Ann

AU - Sato, Goro

AU - Suzuki, Masaya

AU - Takahashi, Tadayuki

AU - Tashiro, Makota

AU - Tueller, Jack

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N2 - The burst alert telescope (BAT) is one of three instruments on the Swift MIDEX spacecraft to study gamma-ray bursts (GRBs). The BAT first detects the GRB and localizes the burst direction to an accuracy of 1-4 arcmin within 20 s after the start of the event. The GRB trigger initiates an autonomous spacecraft slew to point the two narrow field-of-view (FOV) instruments at the burst location within 20-70 s so to make follow-up X-ray and optical observations. The BAT is a wide-FOV, coded-aperture instrument with a CdZnTe detector plane. The detector plane is composed of 32,768 pieces of CdZnTe (4×4×2 mm), and the coded-aperture mask is composed of ∼52,000 pieces of lead (5×5×1 mm) with a 1-m separation between mask and detector plane. The BAT operates over the 15-150 keV energy range with ∼7 keV resolution, a sensitivity of ∼10 -8 erg s -1 cm -2, and a 1.4 sr (half-coded) FOV. We expect to detect > 100 GRBs/year for a 2-year mission. The BAT also performs an all-sky hard X-ray survey with a sensitivity of ∼2 m Crab (systematic limit) and it serves as a hard X-ray transient monitor.

AB - The burst alert telescope (BAT) is one of three instruments on the Swift MIDEX spacecraft to study gamma-ray bursts (GRBs). The BAT first detects the GRB and localizes the burst direction to an accuracy of 1-4 arcmin within 20 s after the start of the event. The GRB trigger initiates an autonomous spacecraft slew to point the two narrow field-of-view (FOV) instruments at the burst location within 20-70 s so to make follow-up X-ray and optical observations. The BAT is a wide-FOV, coded-aperture instrument with a CdZnTe detector plane. The detector plane is composed of 32,768 pieces of CdZnTe (4×4×2 mm), and the coded-aperture mask is composed of ∼52,000 pieces of lead (5×5×1 mm) with a 1-m separation between mask and detector plane. The BAT operates over the 15-150 keV energy range with ∼7 keV resolution, a sensitivity of ∼10 -8 erg s -1 cm -2, and a 1.4 sr (half-coded) FOV. We expect to detect > 100 GRBs/year for a 2-year mission. The BAT also performs an all-sky hard X-ray survey with a sensitivity of ∼2 m Crab (systematic limit) and it serves as a hard X-ray transient monitor.

KW - Afterglow

KW - Astrophysics

KW - Burst

KW - Coded aperture

KW - Cosmology

KW - CZT

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KW - GRB

KW - Hard X-ray

KW - Survey

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IS - 3-4

ER -

The burst alert telescope (BAT) on the SWIFT midex mission

Abstract

Keywords

ASJC Scopus subject areas

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