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GRB 230812B — Source 1 (SWIFT J164023.1+464224)

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Source 7 has been manually confirmed as the GRB afterglow so these products are no longer updated.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 24.03s (= 250.10013°)
Dec (J2000):+46° 42′ 07.5″ (= +46.7021°)
Error (radius, 90%):6.0″ (enhanced position)
Detection flag:Poor
XRT exposure:157 s (vignetting corrected)
Peak rate:0.073 (+0.032, -0.025) ct s-1
Peak flux:3.1 (+1.4, -1.1) ×10-12 erg cm-2 s-1
Mean rate:0.073 (+0.032, -0.025) ct s-1
Mean flux:3.1 (+1.4, -1.1) ×10-12 erg cm-2 s-1
Has spectral fit?Yes
NH 1.87 × 1020 cm-2
Γ 7.05
Database ID:1036
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: Needs checking (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. flux2:1.26 (±0.27) ×10-10 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - [SER2007] ACO 2219 c1 is 5.5″ away.
High proper motion star?No.
Catalogue SearchCone search radius 18″ 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.

2MASS objects near the source

ID Position Offset from
XRT source		 J H K