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SVOM trigger GRB 251016A
Source 25 (SWIFT J174454.6-394239)

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):17h 44m 54.64s (= 266.22768°)
Dec (J2000):-39° 42′ 39.4″ (= -39.7109°)
Error (radius, 90%):10.9″
Detection flag:Poor
XRT exposure:3.5 ks (vignetting corrected)
Peak rate:0.010 (±0.004) ct s-1
Peak flux:4.3 (±1.6) ×10-13 erg cm-2 s-1
Mean rate:0.010 (±0.004) ct s-1
Mean flux:4.3 (±1.6) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 4.06 × 1021 cm-2
Γ 9.73
Database ID:443
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: Needs checking (automatic)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
Rass upper limit20.0×100 ct s-1
Obs rate/Rass UL≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 25 matches. Show details.
Near SIMBAD source?Yes - Gaia DR3 5961114478906316800 is 24.9″ away.
High proper motion star?No.
Catalogue SearchCone search radius 32″ 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