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GRB 180718B — Source 4 (SWIFT J025849.2-312626)

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Image of the XRT detection

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Image of the LC

Spectrum

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Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):02h 58m 49.28s (= 44.70534°)
Dec (J2000):-31° 26′ 26.5″ (= -31.4407°)
Error (radius, 90%):5.0″
Detection flag:Good
XRT exposure:5.0 ks (vignetting corrected)
Peak rate:2.5 (±1.0) ×10-13 ct s-1
Peak flux:1.1 (±0.4) ×10 erg cm-2 s-1
Has spectral fit?Yes
NH 4.01 × 1021 cm-2
Γ 3.36
Database ID:172
Possible issues:
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 limit20.070 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? No
Near SIMBAD source?Yes - 2QZ J025849.5-312627 is 3.9″ 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.