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GRB250716A/GOTO25eyp — Source 3 (SWIFT J042757.5-462716)

Build custom XRT products for this source.

Image of the XRT detection

This source is detected in 1 block. Show all images.

Image of the LC

Spectrum

Image of the spectrum

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Source 1 has been manually confirmed as the GRB afterglow so these products are no longer updated. The up-to-date data for the afterglow are now available through the main GRB results area for this GRB.

Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):04h 27m 57.53s (= 66.98969°)
Dec (J2000):-46° 27′ 16.9″ (= -46.4547°)
Error (radius, 90%):7.1″
Detection flag:Good
XRT exposure:4.2 ks (vignetting corrected)
Peak rate:4.3 (+1.6, -1.3) ×10-3 ct s-1
Peak flux:1.8 (+0.7, -0.6) ×10-13 erg cm-2 s-1
Mean rate:4.3 (+1.6, -1.3) ×10-3 ct s-1
Mean flux:1.8 (+0.7, -0.6) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 9.02 × 1021 cm-2
Γ 1.61
Database ID:1443
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
LSXPS upper limit0.010 ct s-1
Obs rate/LSXPS UL≤0 σ
Rass upper limit20.045 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 21″ 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