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GRB 210901B — Source 3 (SWIFT J164043.3+173222)

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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):16h 40m 43.30s (= 250.18042°)
Dec (J2000):+17° 32′ 22.3″ (= +17.5395°)
Error (radius, 90%):11.0″
Detection flag:Poor
XRT exposure:0 s (vignetting corrected)
Peak rate:1.9 (+1.5, -1.1) ×10-3 ct s-1
Peak flux:8 (+6, -5) ×10-14 erg cm-2 s-1
Has spectral fit?No
Database ID:688
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 limit20.015 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 32″ 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