Skip banner and navigation tools.

 |  site map

GRB250108A — Source 4 (SWIFT J135059.6+261004)

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Source 1 has been manually confirmed as the GRB afterglow so these products are no longer updated.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: 3: Uncatalogued X-ray source
RA (J2000):13h 50m 59.57s (= 207.74822°)
Dec (J2000):+26° 09′ 55.8″ (= +26.1655°)
Error (radius, 90%):6.2″ (enhanced position)
Detection flag:Poor
XRT exposure:2.7 ks (vignetting corrected)
Peak rate:3.8 (+2.1, -1.7) ×10-3 ct s-1
Peak flux:1.6 (+0.9, -0.7) ×10-13 erg cm-2 s-1
Mean rate:3.8 (+2.1, -1.7) ×10-3 ct s-1
Mean flux:1.6 (+0.9, -0.7) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 5.99 × 1020 cm-2
Γ 3.54
Database ID:1300
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
2SXPS upper limit1.0×10-3 ct s-1
Obs rate/2SXPS UL1.5 σ
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?No.
High proper motion star?No.
Catalogue SearchCone search radius 18″ 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.