Astronomy and Astrophysics – Astrophysics
Scientific paper
2007-10-23
Astronomy and Astrophysics
Astrophysics
6 pages, 2 figures, MNRAS in press
Scientific paper
10.1111/j.1365-2966.2008.12624.x
Long Gamma Ray Bursts (GRBs) constitute an important tool to study the Universe near and beyond the epoch of reionization. We delineate here the characteristics of an 'ideal' instrument for the search of GRBs at z>6-10. We find that the detection of these objects requires soft band detectors with a high sensitivity and moderately large FOV. In the light of these results, we compare available and planned GRB missions, deriving conservative predictions on the number of high-z GRBs detectable by these instruments along with the maximum accessible redshift. We show that the Swift satellite will be able to detect various GRBs at z>6, and likely at z>10 if the trigger threshold is decreased by a factor of ~2. Furthermore, we find that INTEGRAL and GLAST are not the best tool to detect bursts at z>6: the former being limited by the small FOV, and the latter by its hard energy band and relatively low sensitivity. Finally, future missions (SVOM, EDGE, but in particular EXIST) will provide a good sample of GRBs at z>6 in a few years of operation.
Campana Sergio
Chincarini Guido
Covino Stefano
Salvaterra Ruben
Tagliaferri Giampiero
No associations
LandOfFree
Gamma Ray Bursts from the early Universe: predictions for present-day and future instruments does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Gamma Ray Bursts from the early Universe: predictions for present-day and future instruments, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Gamma Ray Bursts from the early Universe: predictions for present-day and future instruments will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-456246