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GRB250108A — Source 2 (SWIFT J135119.3+261523)

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

Enhanced position

Image of the UVOT image

Back to list of objects in this field.

Source 1 has been manually confirmed as the GRB afterglow so these products are no longer updated.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: 4: Known X-ray Source
RA (J2000):13h 51m 19.28s (= 207.83033°)
Dec (J2000):+26° 15′ 20.2″ (= +26.2556°)
Error (radius, 90%):6.7″ (enhanced position)
Detection flag:Good
XRT exposure:2.7 ks (vignetting corrected)
Peak rate:8.9 (+3.1, -2.6) ×10-3 ct s-1
Peak flux:3.8 (+1.3, -1.1) ×10-13 erg cm-2 s-1
Mean rate:8.9 (+3.1, -2.6) ×10-3 ct s-1
Mean flux:3.8 (+1.3, -1.1) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 1.33 × 1020 cm-2
Γ 2.29
Database ID:1298
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - 2SXPS J135119.3+261521
Cat. rate1:6.6 (±0.9) ×10-3 ct s-1
Cat. flux2:1.83 (±0.25) ×10-13 erg cm-2 s-1
Observed/Cat. flux0.7 σ
Fading? No (≤1-σ significance).
Near 2MASS source? No
Near SIMBAD source?Yes - SDSS J135119.37+261521.6 is 2.3″ away.
High proper motion star?No.
Catalogue SearchCone search radius 20″ 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.