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SVOM trigger GRB 251016A
Source 2 (SWIFT J174439.5-394550)

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: 3: Uncatalogued X-ray source
RA (J2000):17h 44m 39.77s (= 266.16570°)
Dec (J2000):-39° 45′ 50.5″ (= -39.7640°)
Error (radius, 90%):5.1″ (enhanced position)
Detection flag:Poor
XRT exposure:3.5 ks (vignetting corrected)
Peak rate:0.023 (±0.005) ct s-1
Peak flux:10.0 (±2.3) ×10-13 erg cm-2 s-1
Mean rate:0.023 (±0.005) ct s-1
Mean flux:10.0 (±2.3) ×10-13 erg cm-2 s-1
The source is fading with 4.2-σ significance
Has spectral fit?Yes
NH 3.84 × 1021 cm-2
Γ -2.41
Database ID:420
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 limit20.38 ct s-1
Obs rate/Rass UL≤0 σ
Fading? Yes (4.2-σ difference between at least one detection and a later detection or upper limit).
Near 2MASS source? Yes, 5 matches. Show details.
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 15″ 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