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Performance Modeling and Improvements on the GRB Source Localization Streaming Pipeline Aboard the Antarctic Demonstrator for the Advanced Particle-Astrophysics Telescope (ADAPT)

Htet Y, Sudvarg M, Yang H, Buhler J, Chamberlain R, Chen W, Buckley J, Andrew M, Bal B, Bissaldi EE, Bose RG, Braun D, Buckley JH, Burns E, Cecca MM, Cerasole D, Chamberlain RD, Cherry ML, Cuna FF, De Palma GG, Depalo DD, Di Tria RR, Di Venere LL, Dumonthier J, Errando M, Funk S, Gargano FF, Ghosh P, Giordano FF, Hoffman J, Holzmann Airasca AA, Hughes Z, Jung A, Kelly PL, Krizmanic JF, Kuwahara M, Lee C, Licciulli FF, Liguori AA, Liu G, Loizzo PP, Lorusso LL, Marković F, Mazziotta MN, Mitchell JG, Mitchell JW, Murmann B, de Nolfo GA, Ott J, Panzarini GG, Peschke R, Paoletti R, Pillera RR, Rauch B, Serini DD, Simburger G, Suarez G, Tatoli T, Varner GS, Wulf EA, Zink A, Zober WV (2025)

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Publication Type: Conference contribution

Publication year: 2025

Journal

Publisher: Sissa Medialab Srl

Book Volume: 501

Conference Proceedings Title: Proceedings of Science

Event location: Geneva

DOI: 10.22323/1.501.0679

Abstract

The Advanced Particle-astrophysics Telescope (APT) is a mission concept for a space-based gamma-ray telescope whose capabilities include prompt localization of gamma-ray bursts (GRBs) to support multi-wavelength and multi-messenger astrophysics. ADAPT — APT’s balloon-borne prototype — can localize GRBs in well under a second using on-board computing hardware. ADAPT will partner with ground-based, fast-slewing optical telescopes, rapidly providing alerts that enable the partner to observe a short-duration burst within a few seconds of detection. In this work, we investigate the utility of having ADAPT issue progressively more accurate location estimates for a GRB as detected Compton events from the burst accumulate over time. We develop a computational model to estimate how frequently ADAPT can compute these estimates, finding that it can do so at least every 150 ms for a 1 MeV/cm² burst on a low-power quad-core Intel Atom processor. We then assess how quickly ADAPT’s localization improves as it observes more events and show that a partner instrument can slew to a burst’s location faster if it exploits progressive location estimates than if it waits for one final estimate. Real-time, on-board source localization thus has a role to play in cooperative observation of gamma-ray transients even when data collection time, rather than computing time, dominates the cost of detection.

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How to cite

APA:

Htet, Y., Sudvarg, M., Yang, H., Buhler, J., Chamberlain, R., Chen, W.,... Zober, W.V. (2025). Performance Modeling and Improvements on the GRB Source Localization Streaming Pipeline Aboard the Antarctic Demonstrator for the Advanced Particle-Astrophysics Telescope (ADAPT). In Proceedings of Science. Geneva, CH: Sissa Medialab Srl.

MLA:

Htet, Ye, et al. "Performance Modeling and Improvements on the GRB Source Localization Streaming Pipeline Aboard the Antarctic Demonstrator for the Advanced Particle-Astrophysics Telescope (ADAPT)." Proceedings of the 39th International Cosmic Ray Conference, ICRC 2025, Geneva Sissa Medialab Srl, 2025.

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