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GRB 210622A — Source 2 (SWIFT J153145.9-261457)

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Spectrum

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Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):15h 31m 45.95s (= 232.94144°)
Dec (J2000):-26° 14′ 57.3″ (= -26.2493°)
Error (radius, 90%):9.7″
Detection flag:Good
XRT exposure:4.6 ks (vignetting corrected)
Peak rate:2.77 (+1.09, -0.87) ×10-3 ct s-1
Peak flux:1.2 (+0.5, -0.4) ×10-13 erg cm-2 s-1
Mean rate:2.77 (+1.09, -0.87) ×10-3 ct s-1
Mean flux:1.2 (+0.5, -0.4) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 7.47 × 1021 cm-2
Γ 2.31
Database ID:613
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - 2SXPS J153145.9-261455
Cat. rate1:4.0 (±1.4) ×10-3 ct s-1
Cat. flux2:1.7 (±0.6) ×10-13 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? No
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 29″ 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.