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GRB 260208B — Source 54 (SWIFT J063850.4-135715)

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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 38m 50.28s (= 99.70950°)
Dec (J2000):-13° 57′ 20.8″ (= -13.9558°)
Error (radius, 90%):3.3″ (enhanced position)
Detection flag:Poor
XRT exposure:1925 s (vignetting corrected)
Peak rate:12 (±3) ct s-1
Peak flux:5.0 (±1.4) ×10-10 erg cm-2 s-1
Mean rate:0.61 (±0.06) ct s-1
Mean flux:2.61 (+0.26, -0.25) ×10-11 erg cm-2 s-1
The source is fading with 3.1-σ significance
Has spectral fit?Yes
NH 6.39 × 1021 cm-2
Γ 8.05
Database ID:1670
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 limit20.0×100 ct s-1
Obs rate/Rass UL≤0 σ
Fading? Yes (3.1-σ difference between at least one detection and a later detection or upper limit).
Near 2MASS source? No
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 9″ 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.