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GRB 220218A — Source 9 (SWIFT J085515.9+315542)

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Image of the XRT detection

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Spectrum

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Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):08h 55m 15.90s (= 133.81626°)
Dec (J2000):+31° 55′ 42.4″ (= +31.9285°)
Error (radius, 90%):7.5″
Detection flag:Good
XRT exposure:12.7 ks (vignetting corrected)
Peak rate:1.7 (+0.7, -0.6) ×10-3 ct s-1
Peak flux:7.5 (+3.0, -2.4) ×10-14 erg cm-2 s-1
Mean rate:1.8 (+0.6, -0.5) ×10-3 ct s-1
Mean flux:7.6 (+2.5, -2.0) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 6.50 × 1021 cm-2
Γ 3.74
Database ID:761
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 limit20.045 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 22″ 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 using the automatic power-law spectral fit described above.