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Space Variable Objects Monitor
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Space Variable Objects Monitor
The Space Variable Objects Monitor (SVOM) is a small X-ray telescope satellite developed by China National Space Administration (CNSA), Chinese Academy of Sciences (CAS) and the French Space Agency (CNES), launched on 22 June 2024 (07:00:00 UTC).
SVOM will study the explosions of massive stars by analysing the resulting gamma-ray bursts. The light-weight X-ray mirror for SVOM weighs just 1 kg (2.2 lb). SVOM will add new capabilities to the work of finding gamma-ray bursts currently being done by the multinational satellite Swift Gamma-Ray Burst Mission. Its anti-solar pointing strategy makes the Earth cross the field of view of its payload every orbit.
Using synergy between space and ground instruments, the mission has these scientific objectives:
The selected orbit is circular with an altitude of 600 km (370 mi) and an inclination angle of 30° with a precession period of 60 days. The payload is composed of the following four main instruments:
The ground segment includes a set of three ground-based dedicated instruments – two robotic Ground Follow-up Telescopes (GFT) and an optical monitor, Ground Wide Angle Camera (GWAC) – which will complement the space borne instruments. A large fraction of GRB will have redshift determinations, an observing strategy optimized to facilitate follow-up observations by large ground-based spectroscopic telescopes.
A key elements of the SVOM mission are the Ground Wide Angle Cameras (GWACs) and the Ground Follow-up Telescopes (GFTs).
Marking almost its first full year since launch, on June 10, 2025 SVOM reported its till then 23rd Gamma Ray Burst event GRB 250610B through circular GCN 40671.
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Space Variable Objects Monitor
The Space Variable Objects Monitor (SVOM) is a small X-ray telescope satellite developed by China National Space Administration (CNSA), Chinese Academy of Sciences (CAS) and the French Space Agency (CNES), launched on 22 June 2024 (07:00:00 UTC).
SVOM will study the explosions of massive stars by analysing the resulting gamma-ray bursts. The light-weight X-ray mirror for SVOM weighs just 1 kg (2.2 lb). SVOM will add new capabilities to the work of finding gamma-ray bursts currently being done by the multinational satellite Swift Gamma-Ray Burst Mission. Its anti-solar pointing strategy makes the Earth cross the field of view of its payload every orbit.
Using synergy between space and ground instruments, the mission has these scientific objectives:
The selected orbit is circular with an altitude of 600 km (370 mi) and an inclination angle of 30° with a precession period of 60 days. The payload is composed of the following four main instruments:
The ground segment includes a set of three ground-based dedicated instruments – two robotic Ground Follow-up Telescopes (GFT) and an optical monitor, Ground Wide Angle Camera (GWAC) – which will complement the space borne instruments. A large fraction of GRB will have redshift determinations, an observing strategy optimized to facilitate follow-up observations by large ground-based spectroscopic telescopes.
A key elements of the SVOM mission are the Ground Wide Angle Cameras (GWACs) and the Ground Follow-up Telescopes (GFTs).
Marking almost its first full year since launch, on June 10, 2025 SVOM reported its till then 23rd Gamma Ray Burst event GRB 250610B through circular GCN 40671.
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