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GRB 221231A — Source 1 (SWIFT J222522.9+251020)

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Source 2 has been manually confirmed as the GRB afterglow so these products are no longer updated.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):22h 25m 22.98s (= 336.34577°)
Dec (J2000):+25° 10′ 20.3″ (= +25.1723°)
Error (radius, 90%):6.5″
Detection flag:Poor
XRT exposure:9.9 ks (vignetting corrected)
Peak rate:1.2 (+0.6, -0.4) ×10-3 ct s-1
Peak flux:5.0 (+2.4, -1.9) ×10-14 erg cm-2 s-1
Mean rate:1.2 (+0.6, -0.4) ×10-3 ct s-1
Mean flux:5.0 (+2.4, -1.9) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 6.28 × 1020 cm-2
Γ 1.61
Database ID:958
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 limit20.025 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? No
Near SIMBAD source?Yes - SDSS J222522.65+251017.7 is 5.2″ away.
High proper motion star?No.
Catalogue SearchCone search radius 19″ 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.