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GRB 220831A — Source 4 (SWIFT J013727.5-413200)

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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):01h 37m 27.51s (= 24.36464°)
Dec (J2000):-41° 32′ 00.9″ (= -41.5336°)
Error (radius, 90%):7.2″
Detection flag:Reasonable
XRT exposure:9.9 ks (vignetting corrected)
Peak rate:3.9 (±1.0) ×10-3 ct s-1
Peak flux:1.7 (±0.4) ×10-13 erg cm-2 s-1
Mean rate:3.9 (+0.9, -0.8) ×10-3 ct s-1
Mean flux:1.7 (+0.4, -0.3) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 1.79 × 1020 cm-2
Γ 1.22
Database ID:914
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 limit20.028 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 21″ 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.