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SVOM trigger GRB 250704A
Source 2 (SWIFT J010921.6-172105)

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: 4: Known X-ray Source
RA (J2000):01h 09m 21.65s (= 17.34022°)
Dec (J2000):-17° 21′ 05.9″ (= -17.3517°)
Error (radius, 90%):5.7″
Detection flag:Good
XRT exposure:1707 s (vignetting corrected)
Peak rate:0.055 (±0.014) ct s-1
Peak flux:2.4 (±0.6) ×10-12 erg cm-2 s-1
Mean rate:0.033 (±0.006) ct s-1
Mean flux:1.42 (±0.26) ×10-12 erg cm-2 s-1
The source is fading with 2.0-σ significance
Has spectral fit?Yes
NH 1.50 × 1020 cm-2
Γ 1.85
Database ID:371
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - 1RXS J010921.4-172057 in the ROSAT/RASSBSC catalogue.
Cat. rate1:0.168 (±0.025) ct s-1
Cat. flux2:2.9 (±0.4) ×10-12 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - LEDA 884732 is 2.9″ away.
High proper motion star?No.
Catalogue SearchCone search radius 17″ 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