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GRB 190531B — Source 4 (SWIFT J013813.3-420217)

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Source 8 has been manually confirmed as the GRB afterglow so these products are no longer updated.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):01h 38m 13.33s (= 24.55554°)
Dec (J2000):-42° 02′ 17.1″ (= -42.0381°)
Error (radius, 90%):6.1″
Detection flag:Good
XRT exposure:7.5 ks (vignetting corrected)
Peak rate:6.6 (±1.7) ×10-13 ct s-1
Peak flux:2.9 (±0.7) ×10 erg cm-2 s-1
The source is fading with 1.1-σ significance
Has spectral fit?Yes
NH 1.72 × 1020 cm-2
Γ 6.18
Database ID:266
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 limit20.032 ct s-1
Obs rate/Rass UL≤0 σ
Fading? Maybe (1.1-σ significance).
Near 2MASS source? No
Near SIMBAD source?No.
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.