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GRB 211229A — Source 2 (SWIFT J194014.7+231542)

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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

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Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):19h 40m 14.76s (= 295.06151°)
Dec (J2000):+23° 15′ 42.0″ (= +23.2617°)
Error (radius, 90%):9.7″
Detection flag:Reasonable
XRT exposure:5.0 ks (vignetting corrected)
Peak rate:1.6 (+0.9, -0.7) ×10-3 ct s-1
Peak flux:6.9 (+3.8, -2.9) ×10-14 erg cm-2 s-1
Mean rate:1.6 (+0.9, -0.7) ×10-3 ct s-1
Mean flux:6.9 (+3.8, -2.9) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 1.79 × 1022 cm-2
Γ 8.84
Database ID:739
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
2SXPS upper limit6.7×10-3 ct s-1
Obs rate/2SXPS UL≤0 σ
Rass upper limit20.028 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 8 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