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SVOM trigger GRB 250507A
Source 2 (SWIFT J121149.7-233229)

Image of the XRT detection

This source is detected in 1 block. Show all images.

Image of the LC

Spectrum

Image of the spectrum
Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):12h 11m 49.71s (= 182.95711°)
Dec (J2000):-23° 32′ 29.2″ (= -23.5414°)
Error (radius, 90%):4.9″
Detection flag:Good
XRT exposure:1777 s (vignetting corrected)
Peak rate:0.015 (±0.004) ct s-1
Peak flux:6.4 (±1.5) ×10-13 erg cm-2 s-1
Mean rate:0.015 (±0.004) ct s-1
Mean flux:6.4 (±1.5) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 1.91 × 1021 cm-2
Γ 3.40
Database ID:346
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 limit20.066 ct s-1
Obs rate/Rass UL≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - 2MASS J12114965-2332263 is 2.9″ away.
High proper motion star?No.
Catalogue SearchCone search radius 14″ 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