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GRB 250917B — Source 3 (SWIFT J192506.0+110027)

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Image of the XRT detection

This source is detected in 1 block. Show all images.

Image of the LC

Spectrum

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Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):19h 25m 06.04s (= 291.27516°)
Dec (J2000):+11° 00′ 27.1″ (= +11.0075°)
Error (radius, 90%):6.6″
Detection flag:Poor
XRT exposure:9.5 ks (vignetting corrected)
Peak rate:4.0 (+1.5, -1.2) ×10-3 ct s-1
Peak flux:1.7 (+0.6, -0.5) ×10-13 erg cm-2 s-1
Mean rate:3.4 (+0.9, -0.7) ×10-3 ct s-1
Mean flux:1.5 (+0.4, -0.3) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 7.25 × 1021 cm-2
Γ 1.06
Database ID:1469
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 limit20.061 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 10 matches. Show details.
Near SIMBAD source?Yes - 2MASS J19250566+1100103 is 17.4″ 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.

2MASS objects near the source

ID Position Offset from
XRT source		 J H K