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GRB 210618A — Source 3 (SWIFT J154324.9+455438)

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Source 2 has been manually confirmed as the GRB afterglow so these products are no longer updated.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):15h 43m 24.95s (= 235.85395°)
Dec (J2000):+45° 54′ 38.6″ (= +45.9107°)
Error (radius, 90%):8.7″
Detection flag:Poor
XRT exposure:10.4 ks (vignetting corrected)
Peak rate:2.2 (+0.8, -0.7) ×10-3 ct s-1
Peak flux:9.3 (+3.5, -2.8) ×10-14 erg cm-2 s-1
Mean rate:2.2 (+0.7, -0.5) ×10-3 ct s-1
Mean flux:9.5 (+3.0, -2.3) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 1.31 × 1020 cm-2
Γ 2.07
Database ID:597
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: Needs checking (automatic)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
Rass upper limit20.012 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 26″ 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.