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SVOM trigger GRB 251016A
Source 18 (SWIFT J174447.6-394506)

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 47.66s (= 266.19859°)
Dec (J2000):-39° 45′ 06.3″ (= -39.7517°)
Error (radius, 90%):29.0″
Detection flag:Poor
XRT exposure:3.5 ks (vignetting corrected)
Peak rate:0.032 (±0.008) ct s-1
Peak flux:1.4 (±0.3) ×10-12 erg cm-2 s-1
Mean rate:0.032 (±0.008) ct s-1
Mean flux:1.4 (±0.3) ×10-12 erg cm-2 s-1
The source is fading with 3.9-σ significance
Has spectral fit?Yes
NH 6.22 × 1023 cm-2
Γ -2.50
Database ID:436
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 limit21838746 ct s-1
Obs rate/Rass UL≤0 σ
Fading? Yes (3.9-σ difference between at least one detection and a later detection or upper limit).
Near 2MASS source? Yes, 50 matches. Show details.
Near SIMBAD source?Yes - 2MASS J17444702-3944431 is 24.2″ away.
High proper motion star?No.
Catalogue SearchCone search radius 87″ 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