Early results from the SVOM Observatory Science program

arXiv:2607.01091 · astro-ph.HE, astro-ph.IM · Submitted 2026-07-01 · Read on arXiv

A. Coleiro, L. Tao, F. Cangemi, X. Han, M. Brunet, N. Dagoneau, A. Foisseau, A. Goldwurm, S. Guillot, N. Jiang, C. Lachaud, S. Le Stum, P. Maggi, D. Rawat, J. Rodriguez, C. W. Wang, J. Wang, W. Xie, L. Zhang, L. Bouchet, M. Clavel, Z. Feng, O. Godet, D. Götz, D. Li, Z. Li, L. Lin, T. Maiolino, J. Wu, L. Xin, S. L. Xiong, X. Xu, J. Zhang, S. J. Zheng, B. Cordier, J. Wei, S. Basa, A. Claret, F. Daigne, J. Deng, Y. W. Dong, E. W. Liang, Y. Qiu, S. Vergani, C. Wu, B. Zhang, S. N. Zhang

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astro-ph.HE, astro-ph.IM

Submitted: 2026-07-01

Comments: Accepted for publication in the SVOM special issue in Research in Astronomy and Astrophysics; 17 pages, 14 figures

License: http://creativecommons.org/licenses/by/4.0/

The gist: We present the organisation and early results from the Observatory Science program of the Space-based multi-band astronomical Variable Objects Monitor (SVOM), based on data collected between July

Terminology

AGN — 7× in this paper · explained in 1 episode
Core — 5× in this paper · explained in 2 episodes
Calibration — 4× in this paper · explained in 7 episodes
Chinese Academy of Sciences — 4× in this paper
Quick-Look Analysis — 4× in this paper
SVOM General Program — 3× in this paper
Serendipitous High-Energy Sources — 2× in this paper
South Atlantic Anomaly — 2× in this paper
Accretion Physics — 1× in this paper · explained in 2 episodes
Anti-correlation — 1× in this paper · explained in 3 episodes
SVOM French Science Center — 1× in this paper
Target of Opportunity — 1× in this paper
Verification — 1× in this paper · explained in 2 episodes

Abstract

We present the organisation and early results from the Observatory Science program of the Space-based multi-band astronomical Variable Objects Monitor (SVOM), based on data collected between July 2024 and December 2025. Although primarily designed for gamma-ray burst studies, SVOM's wide-field, multi-wavelength instruments enable a broad range of high-energy astrophysical investigations. We summarize the execution and performance of the General Program and Target-of-Opportunity observations, and we describe the frameworks used for serendipitous source detection and monitoring with the ECLAIRs coded-mask instrument. Over this period, SVOM carried out more than a thousand pointed observations and detected several hundred non-GRB high-energy sources, mainly X-ray binaries, as well as blazars, stellar flares, magnetars, and unidentified events. We highlight some key results, including the monitoring of the microquasar Cygnus X-1, the detection of burst oscillations from the Low-Mass X-ray Binary 4U 0614+091, the spectral-state monitoring of Aql X-1, the first SVOM detection of an X-ray blazar flare from 1ES 1959+650, and observations of a stellar flare from HD 22468. These results demonstrate SVOM's strong capabilities for time-domain astrophysics beyond its core GRB program.

Terminology

Abstract

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