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GRB 250804B — Source 5 (SWIFT J024355.0-463530)

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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):02h 43m 55.09s (= 40.97953°)
Dec (J2000):-46° 35′ 30.2″ (= -46.5917°)
Error (radius, 90%):6.8″
Detection flag:Good
XRT exposure:1326 s (vignetting corrected)
Peak rate:6.1 (+3.1, -2.3) ×10-3 ct s-1
Peak flux:2.6 (+1.3, -1.0) ×10-13 erg cm-2 s-1
Mean rate:6.1 (+3.1, -2.3) ×10-3 ct s-1
Mean flux:2.6 (+1.3, -1.0) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 1.93 × 1020 cm-2
Γ 2.74
Database ID:1459
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 limit20.012 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 20″ 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.