Abstract
The spectrometer SPI, one of the two main instruments of the INTEGRAL spacecraft, offers significant gamma-ray burst detection capabilities. In its 35degrees (full width) field of view SPI is able to localise gamma-ray bursts at a mean rate of similar to 0.8 /month. With its large anticoincidence shield of 512 kg of BGO crystals SPI is able to detect gamma-ray bursts quasi omni-directionally with a very high sensitivity. Burst alerts of the anticoincidence shield are distributed by the INTEGRAL Burst Alert System. In the first 8 months of the mission about 0.8 / day gamma-ray burst candidates and 0.3 / day gamma-ray burst positions were obtained with the anticoincidence shield by interplanetary network triangulations with other spacecrafts.
Original language | English |
---|---|
Pages (from-to) | L299-L305 |
Journal | Astronomy and Astrophysics |
Volume | 411 |
Issue number | 1 |
DOIs | |
Publication status | Published - 1 Nov 2003 |
Keywords
- SPI
- INTEGRAL
- GRB
- gamma-ray astronomy
- gamma-ray bursts