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GRB 220218A — Source 8 (SWIFT J085435.3+315134)

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Image of the XRT detection

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Image of the LC

Spectrum

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Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):08h 54m 35.39s (= 133.64747°)
Dec (J2000):+31° 51′ 34.2″ (= +31.8595°)
Error (radius, 90%):8.7″
Detection flag:Poor
XRT exposure:12.7 ks (vignetting corrected)
Peak rate:2.39 (+1.32, -0.98) ×10-3 ct s-1
Peak flux:1.0 (+0.6, -0.4) ×10-13 erg cm-2 s-1
Mean rate:2.39 (+1.32, -0.98) ×10-3 ct s-1
Mean flux:1.0 (+0.6, -0.4) ×10-13 erg cm-2 s-1
Has spectral fit?No
Database ID:760
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
Rass upper limit20.026 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? No
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 25″ Vizier | Simbad | NED | X-ray master | LSXPS | 3XMM-DR5

Notes
All XRT count rates and fluxes are 0.3—10 keV
1Catalogued count-rates have been converted to XRT equivalents.
2Catalogued upper limits and fluxes have been converted to the XRT equivalent assuming a generic AGN spectrum:NH=3×1020 cm-2, Γ=1.7