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GRB 220617A — Source 4 (SWIFT J102757.5+152643)

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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):10h 27m 57.50s (= 156.98960°)
Dec (J2000):+15° 26′ 43.4″ (= +15.4454°)
Error (radius, 90%):5.7″
Detection flag:Good
XRT exposure:4.9 ks (vignetting corrected)
Peak rate:1.8 (+0.9, -0.7) ×10-3 ct s-1
Peak flux:8 (+4, -3) ×10-14 erg cm-2 s-1
Mean rate:1.8 (+0.9, -0.7) ×10-3 ct s-1
Mean flux:8 (+4, -3) ×10-14 erg cm-2 s-1
Has spectral fit?No
Database ID:868
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 limit20.052 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 17″ 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