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GRB 250917B — Source 1 (SWIFT J192522.9+110651)

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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

Enhanced position

Image of the UVOT image

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Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):19h 25m 23.00s (= 291.34584°)
Dec (J2000):+11° 06′ 54.5″ (= +11.1151°)
Error (radius, 90%):5.5″ (enhanced position)
Detection flag:Good
XRT exposure:9.5 ks (vignetting corrected)
Peak rate:5.7 (±1.3) ×10-3 ct s-1
Peak flux:2.5 (±0.5) ×10-13 erg cm-2 s-1
Mean rate:5.7 (±1.0) ×10-3 ct s-1
Mean flux:2.5 (±0.4) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 7.33 × 1021 cm-2
Γ 3.20
Database ID:1467
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 limit20.019 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 9 matches. Show details.
Near SIMBAD source?Yes - TYC 1059-317-1 is 2.1″ away.
High proper motion star?No.
Catalogue SearchCone search radius 16″ 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