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GRB 260208B — Source 56 (SWIFT J063801.8-134619)

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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: 4: Known X-ray Source
RA (J2000):06h 38m 02.10s (= 99.50877°)
Dec (J2000):-13° 46′ 30.8″ (= -13.7752°)
Error (radius, 90%):5.0″ (enhanced position)
Detection flag:Poor
XRT exposure:1925 s (vignetting corrected)
Peak rate:0.21 (±0.06) ct s-1
Peak flux:8.9 (±2.5) ×10-12 erg cm-2 s-1
Mean rate:0.035 (±0.007) ct s-1
Mean flux:1.49 (+0.30, -0.29) ×10-12 erg cm-2 s-1
Has spectral fit?Yes
NH 4.26 × 1021 cm-2
Γ 2.79
Database ID:1672
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: Spurious source (verified)
Catalogue information
Known X-ray emitter?Yes - 1RXS J063801.3-134635 in the ROSAT/RASSFSC catalogue.
Cat. rate1:0.021 (±0.009) ct s-1
Cat. flux2:4.5 (±1.9) ×10-13 erg cm-2 s-1
Observed/Cat. flux3.1 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 4 matches. Show details.
Near SIMBAD source?Yes - 1RXS J063801.3-134635 is 17.7″ away.
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