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GRB 250309B/IceCube-250309A — Source 27 (SWIFT J140350.9-083039)

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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):14h 03m 50.96s (= 210.96233°)
Dec (J2000):-08° 30′ 39.4″ (= -8.5109°)
Error (radius, 90%):6.4″
Detection flag:Poor
XRT exposure:8.2 ks (vignetting corrected)
Peak rate:8 (+6, -4) ×10-4 ct s-1
Peak flux:3.3 (+2.4, -1.8) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 6.04 × 1021 cm-2
Γ 9.75
Database ID:1365
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 limit2.5×10-3 ct s-1
Obs rate/LSXPS UL≤0 σ
Rass upper limit20.020 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - LEDA 1002801 is 5.6″ 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