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GRB 181222B — Source 2 (SWIFT J204928.8+245836)

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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):20h 49m 28.81s (= 312.37005°)
Dec (J2000):+24° 58′ 37.0″ (= +24.9769°)
Error (radius, 90%):7.7″
Detection flag:Good
XRT exposure:3.9 ks (vignetting corrected)
Peak rate:3.0 (±1.1) ×10-13 ct s-1
Peak flux:1.3 (±0.5) ×10 erg cm-2 s-1
Has spectral fit?Yes
NH 2.79 × 1021 cm-2
Γ 1.83
Database ID:237
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 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.