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GRB 220921A — Source 7 (SWIFT J042838.3-402431)

Build custom XRT products for this source.

Image of the XRT detection

This source is detected in 1 block. Show all images.

Image of the LC

Spectrum

Image of the spectrum

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Source 1 has been manually confirmed as the GRB afterglow so these products are no longer updated.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: 3: Uncatalogued X-ray source
RA (J2000):04h 28m 38.39s (= 67.15998°)
Dec (J2000):-40° 24′ 31.2″ (= -40.4087°)
Error (radius, 90%):12.7″
Detection flag:Poor
XRT exposure:1371 s (vignetting corrected)
Peak rate:4.9 (+3.1, -2.2) ×10-3 ct s-1
Peak flux:2.10 (+1.33, -0.95) ×10-13 erg cm-2 s-1
Mean rate:4.9 (+3.1, -2.2) ×10-3 ct s-1
Mean flux:2.10 (+1.33, -0.95) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 2.35 × 1020 cm-2
Γ 1.82
Database ID:936
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 limit20.018 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 37″ 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.