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GRB 230812B — Source 4 (SWIFT J164018.3+464158)

Build custom XRT products for this source.

Image of the XRT detection

This source is detected in 2 blocks. Show all images.

Image of the LC

Spectrum

Image of the spectrum

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Source 7 has been manually confirmed as the GRB afterglow so these products are no longer updated. The up-to-date data for the afterglow are now available through the main GRB results area for this GRB.

Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):16h 40m 18.34s (= 250.07641°)
Dec (J2000):+46° 41′ 58.1″ (= +46.6995°)
Error (radius, 90%):7.2″
Detection flag:Poor
XRT exposure:157 s (vignetting corrected)
Peak rate:0.074 (+0.033, -0.025) ct s-1
Peak flux:3.2 (+1.4, -1.1) ×10-12 erg cm-2 s-1
Mean rate:0.074 (+0.033, -0.025) ct s-1
Mean flux:3.2 (+1.4, -1.1) ×10-12 erg cm-2 s-1
Has spectral fit?No
Database ID:1039
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - XMMSL2 J164021.0+464226 in the XMM-NEWTON/XMMSLEWCLN catalogue.
Cat. rate1:6.2 (±1.3) ct s-1
Cat. flux2:6.2 (±1.3) ×10-11 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? No
Near SIMBAD source?Yes - [SHB95] Arc L2 is 7.6″ away.
High proper motion star?No.
Catalogue SearchCone search radius 21″ 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