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GRB 220418B — Source 4 (SWIFT J145702.7-172617)

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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):14h 57m 02.70s (= 224.26125°)
Dec (J2000):-17° 26′ 17.5″ (= -17.4382°)
Error (radius, 90%):7.7″
Detection flag:Poor
XRT exposure:2.1 ks (vignetting corrected)
Peak rate:0.012 (+0.008, -0.006) ct s-1
Peak flux:5.1 (+3.5, -2.6) ×10-13 erg cm-2 s-1
Has spectral fit?No
Database ID:802
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 limit20.074 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 23″ 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