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GRB 210218A — Source 6 (SWIFT J030901.6+350808)

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Source 3 has been manually confirmed as the GRB afterglow so these products are no longer updated.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):03h 09m 01.67s (= 47.25697°)
Dec (J2000):+35° 08′ 08.8″ (= +35.1358°)
Error (radius, 90%):5.1″
Detection flag:Poor
XRT exposure:6.6 ks (vignetting corrected)
Peak rate:1.2 (+0.9, -0.6) ×10-3 ct s-1
Peak flux:5.0 (+3.7, -2.5) ×10-14 erg cm-2 s-1
Mean rate:1.2 (+0.9, -0.6) ×10-3 ct s-1
Mean flux:5.0 (+3.7, -2.5) ×10-14 erg cm-2 s-1
Has spectral fit?No
Database ID:536
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 limit20.036 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? No
Near SIMBAD source?No.
Catalogue SearchCone search radius 15″ 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