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GRB250313A — Source 4 (SWIFT J183451.1+534914)

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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):18h 34m 51.13s (= 278.71305°)
Dec (J2000):+53° 49′ 14.7″ (= +53.8208°)
Error (radius, 90%):6.9″
Detection flag:Good
XRT exposure:10.9 ks (vignetting corrected)
Peak rate:7.0 (±1.9) ×10-3 ct s-1
Peak flux:3.0 (±0.8) ×10-13 erg cm-2 s-1
Mean rate:3.8 (+0.9, -0.8) ×10-3 ct s-1
Mean flux:1.6 (+0.4, -0.3) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 6.60 × 1020 cm-2
Γ 1.26
Database ID:1372
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
LSXPS upper limit5.3×10-3 ct s-1
Obs rate/LSXPS UL≤0 σ
Rass upper limit20.030 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.