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SVOM trigger GRB 250403A
Source 1 (SWIFT J125827.7-242244)

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
Source details
Rank/Classification: 2: Outbursting source
RA (J2000):12h 58m 27.90s (= 194.61625°)
Dec (J2000):-24° 22′ 47.9″ (= -24.3800°)
Error (radius, 90%):3.7″ (enhanced position)
Detection flag:Good
XRT exposure:401 s (vignetting corrected)
Peak rate:0.29 (±0.07) ct s-1
Peak flux:1.2 (±0.3) ×10-11 erg cm-2 s-1
Mean rate:0.213 (±0.029) ct s-1
Mean flux:9.2 (±1.2) ×10-12 erg cm-2 s-1
Has spectral fit?Yes
NH 1.15 × 1021 cm-2
Γ 2.29
Database ID:315
Things to check:
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 limit20.060 ct s-1
Obs rate/Rass UL3.1 σ
Fading? ≤3-σ signifance.
Near 2MASS source? No
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 11″ 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.