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GRB 250309B/IceCube-250309A — Source 1 (SWIFT J140257.3-105150)

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Image of the XRT detection

This source is detected in 8 blocks. 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 02m 57.40s (= 210.73916°)
Dec (J2000):-10° 51′ 50.9″ (= -10.8642°)
Error (radius, 90%):6.9″
Detection flag:Good
XRT exposure:2.7 ks (vignetting corrected)
Peak rate:0.012 (+0.006, -0.005) ct s-1
Peak flux:5.0 (+2.8, -2.1) ×10-13 erg cm-2 s-1
Mean rate:9.1 (+3.8, -2.8) ×10-3 ct s-1
Mean flux:3.9 (+1.6, -1.2) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 1.30 × 1022 cm-2
Γ 1.67
Database ID:1339
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 limit0.020 ct s-1
Obs rate/LSXPS UL≤0 σ
Rass upper limit20.10 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?No.
High proper motion star?No.
Catalogue SearchCone search radius 20″ 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