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GRB 250917B — Source 4 (SWIFT J192504.6+110524)

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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 details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):19h 25m 04.61s (= 291.26919°)
Dec (J2000):+11° 05′ 24.1″ (= +11.0900°)
Error (radius, 90%):6.3″
Detection flag:Reasonable
XRT exposure:9.5 ks (vignetting corrected)
Peak rate:1.88 (+1.04, -0.80) ×10-3 ct s-1
Peak flux:8 (+4, -3) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 1.86 × 1023 cm-2
Γ 9.77
Database ID:1470
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 limit20.15 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 7 matches. Show details.
Near SIMBAD source?No.
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