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GRB 250309B/IceCube-250309A — Source 4 (SWIFT J140434.9-101303)

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Image of the XRT detection

This source is detected in 6 blocks. 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: 4: Known X-ray Source
RA (J2000):14h 04m 34.98s (= 211.14573°)
Dec (J2000):-10° 13′ 04.9″ (= -10.2180°)
Error (radius, 90%):5.5″ (enhanced position)
Detection flag:Good
XRT exposure:228 s (vignetting corrected)
Peak rate:0.051 (+0.020, -0.016) ct s-1
Peak flux:2.2 (+0.9, -0.7) ×10-12 erg cm-2 s-1
Mean rate:0.051 (+0.020, -0.016) ct s-1
Mean flux:2.2 (+0.9, -0.7) ×10-12 erg cm-2 s-1
Has spectral fit?Yes
NH 8.26 × 1022 cm-2
Γ 2.73
Database ID:1342
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - 1RXS J140433.0-101242 in the ROSAT/RASSBSC catalogue.
Cat. rate1:0.097 (±0.019) ct s-1
Cat. flux2:2.7 (±0.5) ×10-12 erg cm-2 s-1
Observed/Cat. flux≤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 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