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GRB 210218A — Source 4 (SWIFT J030828.3+351404)

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Source 3 has been manually confirmed as the GRB afterglow so these products are no longer updated.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 08m 28.32s (= 47.11801°)
Dec (J2000):+35° 14′ 05.0″ (= +35.2347°)
Error (radius, 90%):4.8″
Detection flag:Good
XRT exposure:6.6 ks (vignetting corrected)
Peak rate:1.95 (+1.01, -0.77) ×10-3 ct s-1
Peak flux:8 (+4, -3) ×10-14 erg cm-2 s-1
Mean rate:2.0 (+0.9, -0.6) ×10-3 ct s-1
Mean flux:8.5 (+3.7, -2.7) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 2.83 × 1021 cm-2
Γ 2.14
Database ID:534
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 limit20.028 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 14″ 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.