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GRB 250309B/IceCube-250309A — Source 17 (SWIFT J140245.4-082121)

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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):14h 02m 45.34s (= 210.68890°)
Dec (J2000):-08° 21′ 24.4″ (= -8.3568°)
Error (radius, 90%):4.3″ (enhanced position)
Detection flag:Good
XRT exposure:8.1 ks (vignetting corrected)
Peak rate:6.2 (±1.5) ×10-3 ct s-1
Peak flux:2.7 (±0.6) ×10-13 erg cm-2 s-1
Mean rate:5.0 (+1.2, -1.1) ×10-3 ct s-1
Mean flux:2.2 (±0.5) ×10-13 erg cm-2 s-1
The source is fading with 1.6-σ significance
Has spectral fit?Yes
NH 9.41 × 1021 cm-2
Γ 3.53
Database ID:1355
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
LSXPS upper limit5.6×10-3 ct s-1
Obs rate/LSXPS UL≤0 σ
Rass upper limit20.045 ct s-1
Obs rate/Rass UL≤0 σ
Fading? Maybe (1.6-σ significance).
Near 2MASS source? No
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 12″ 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.