School of Physics & Astronomy

| site map

Home
About
The Swift Mission UK involvement Instruments
GRBs before Swift GRBs in the Swift era Non-GRB science with Swift GRB research at Leicester
Spacecraft status Swift in the press Swift Videos
Support
Helpdesk TOO requests Guest Investigator program Target visibility checker Search transient database
Data Access
Overview Quick Look GCN Notices Download obs data Search obs catalogue The 2SXPS catalogue The LSXPS catalogue
Data Analysis
Data analysis overview Swift software
Build XRT products
BAT data analysis guide XRT data analysis guide XRT digest UVOT data analysis guide
GRB Products
Full dataset Swift XRT products for GRBs XRT positions XRT light curves XRT spectra XRT GRB catalogue XRT GRB images Burst analyser Prompt dataset GRB field info XRT prompt analysis
Publications
Publication index Published papers Submitted papers XRT instrument papers ATels GCNs Conferences
Links
Databases NED Simbad GCN circulars archive GRB data table Software & Tools Swift Software (HEASoft) Xanadu WebPIMMS Institutional Swift Sites GSFC PSU OAB SSDC MSSL University of Leicester

Swift-XRT products for GRB 150220A — Source 2

RA/Dec (J2000) = 09h 01m 30.74s, -01° 38′ 27.0″ +/- 6.2 (radius, 90%)

Back to list of objects in this field.

Light curve	Spectrum

We expect ~0.02 serendipitous objects at least as bright as this source in this tiled dataset, based on the logN-logS distribution of Mateos et al. (2008) [More details]

Source details

Peak XRT count rate	8.4 (±2.1) ×10^-3 ct s^-1
Mean XRT count rate	6.5 (±1.4) ×10^-3 ct s^-1
RASS upper limit	0.07 ct s^-1
Fading?	No
Mean flux (Observed, 0.3—10 keV)	3.2 (±0.7) ×10^-13 erg cm^-2s^-1
Peak flux (Observed, 0.3—10 keV)	4.1 (±1.0) ×10^-13 erg cm^-2s^-1
Mean rate (PSPC equivalent)	5.8 (±1.2) ×10^-3
Peak rate (PSPC equivalent)	7.6 (±1.9) ×10^-3