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GRB 260208B — Source 35 (SWIFT J063750.5-135517)

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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 37m 50.52s (= 99.46051°)
Dec (J2000):-13° 55′ 17.1″ (= -13.9214°)
Error (radius, 90%):9.8″
Detection flag:Poor
XRT exposure:1925 s (vignetting corrected)
Peak rate:6.8 (±1.3) ct s-1
Peak flux:2.9 (±0.6) ×10-10 erg cm-2 s-1
Mean rate:0.39 (±0.04) ct s-1
Mean flux:1.66 (±0.17) ×10-11 erg cm-2 s-1
The source is fading with 2.8-σ significance
Has spectral fit?Yes
NH 4.20 × 1021 cm-2
Γ 9.94
Database ID:1651
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 limit28.1×10-3 ct s-1
Obs rate/Rass UL5.2 σ
Fading? Maybe (2.8-σ significance).
Near 2MASS source? Yes, 4 matches. Show details.
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 29″ 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