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GRB 260208B — Source 13 (SWIFT J063910.5-134934)

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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

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Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):06h 39m 10.28s (= 99.79284°)
Dec (J2000):-13° 49′ 36.7″ (= -13.8269°)
Error (radius, 90%):6.4″ (enhanced position)
Detection flag:Poor
XRT exposure:1925 s (vignetting corrected)
Peak rate:16.4 (±2.9) ct s-1
Peak flux:7.0 (±1.3) ×10-10 erg cm-2 s-1
Mean rate:0.69 (±0.08) ct s-1
Mean flux:2.9 (±0.3) ×10-11 erg cm-2 s-1
The source is fading with 2.9-σ significance
Has spectral fit?Yes
NH 1.35 × 1024 cm-2
Γ 5.06
Database ID:1629
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: Spurious source (verified)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
Rass upper limit24403815 ct s-1
Obs rate/Rass UL≤0 σ
Fading? Maybe (2.9-σ significance).
Near 2MASS source? Yes, 2 matches. Show details.
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 19″ 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