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GRB 231220A — Source 1 (SWIFT J014750.7+775451)

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Image of the XRT detection

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

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Spectrum

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Source details
Rank/Classification: Marked ‘spurious’ by manual checking. Automated classification: Outbursting source
RA (J2000):01h 47m 50.75s (= 26.96147°)
Dec (J2000):+77° 54′ 51.2″ (= +77.9142°)
Error (radius, 90%):3.9″
Detection flag:Good
XRT exposure:3.6 ks (vignetting corrected)
Peak rate:0.037 (±0.009) ct s-1
Peak flux:1.6 (±0.4) ×10-12 erg cm-2 s-1
Mean rate:0.018 (±0.003) ct s-1
Mean flux:7.6 (±1.4) ×10-13 erg cm-2 s-1
Has spectral fit?No
Database ID:1092
Possible issues:
Optical Loading: Spurious source (verified)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
Rass upper limit20.010 ct s-1
Obs rate/Rass UL3.0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - HD 10594 is 5.1″ away.
Catalogue SearchCone search radius 11″ 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 assuming a generic AGN spectrum:NH=3×1020 cm-2, Γ=1.7

2MASS objects near the source

ID Position Offset from
XRT source		 J H K