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SVOM trigger GRB 250530A
Source 1 (SWIFT J122650.6-023432)

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 26m 50.53s (= 186.71055°)
Dec (J2000):-02° 34′ 33.4″ (= -2.5760°)
Error (radius, 90%):2.4″ (enhanced position)
Detection flag:Good
XRT exposure:9.8 ks (vignetting corrected)
Peak rate:3.6 (±0.8) ct s-1
Peak flux:1.5 (±0.3) ×10-10 erg cm-2 s-1
Mean rate:0.238 (±0.011) ct s-1
Mean flux:1.02 (±0.05) ×10-11 erg cm-2 s-1
The source is fading with 4.6-σ significance
Has spectral fit?Yes
NH 2.49 × 1022 cm-2
Γ 2.28
Database ID:351
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 limit20.084 ct s-1
Obs rate/Rass UL4.5 σ
Fading? Yes (4.6-σ difference between at least one detection and a later detection or upper limit).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 7″ 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