The Fermi-GBM 3-year X-ray Burst Catalog
arXiv:1603.09697 · doi:10.3847/0004-637X/826/2/228
Abstract
The Fermi Gamma Ray Burst Monitor (GBM) is an all sky gamma-ray monitor well known in the gamma-ray burst community. Although GBM excels in detecting the hard, bright extragalactic GRBs, its sensitivity above 8 keV and all-sky view make it an excellent instrument for the detection of rare, short-lived Galactic transients. In March 2010, we initiated a systematic search for transients using GBM data. We conclude this phase of the search by presenting a 3 year catalog of 1084 X-ray bursts. Using spectral analysis, location and spatial distributions we classified the 1084 events into 752 thermonuclear X-ray bursts, 267 transient events from accretion flares and X-ray pulses, and 65 untriggered gamma-ray bursts. All thermonuclear bursts have peak blackbody temperatures broadly consistent with photospheric radius expanison (PRE) bursts. We find an average rate of 1.4 PRE bursts per day, integrated over all Galactic bursters within about 10 kpc. These include 33 and 10 bursts from the ultra-compact X-ray binaries 4U~0614+09 and 2S~0918-549, respectively. We discuss these recurrence times and estimate the total mass ejected by PRE bursts in our Galaxy.
References in corpus (5)
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- Six new candidate ultracompact X-ray binaries
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- The Multi-INstrument Burst ARchive (MINBAR)
- Accretion disks and coronae in the X-ray flashlight
- Fermi GBM Observations of GRB 150101B: A Second Nearby Event with a Short Hard Spike and a Soft Tail
- Prospects for joint observations of gravitational waves and gamma rays from merging neutron star binaries
- Neutron star cooling and the rp process in thermonuclear X-ray bursts
- Searching for the most powerful thermonuclear X-ray bursts with the Neil Gehrels Swift Observatory
- The chemical composition of the accretion disk and donor star in Ultra Compact X-ray Binaries: A comprehensive X-ray analysis
- Constraining the intrinsic population of Long Gamma-Ray Bursts: implications for spectral correlations, cosmic evolution and their use as tracers of star formation
- Fermi Gamma-ray Space Telescope
- Connecting the m-dots: accretion rates and thermonuclear burst recurrence times on neutron stars and white dwarfs