Skip banner and navigation tools.

 |  site map

GRB 221231A — Source 4 (SWIFT J222451.5+251548)

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

Back to list of objects in this field.

Source 2 has been manually confirmed as the GRB afterglow so these products are no longer updated.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 24m 51.50s (= 336.21459°)
Dec (J2000):+25° 15′ 48.7″ (= +25.2635°)
Error (radius, 90%):8.9″
Detection flag:Poor
XRT exposure:9.9 ks (vignetting corrected)
Peak rate:7 (+4, -3) ×10-4 ct s-1
Peak flux:3.1 (+1.9, -1.4) ×10-14 erg cm-2 s-1
Mean rate:7 (+4, -3) ×10-4 ct s-1
Mean flux:3.1 (+1.9, -1.4) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 5.65 × 1022 cm-2
Γ 9.98
Database ID:961
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 limit20.024 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.