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GRB 201221C — Source 2 (SWIFT J183310.7+343707)

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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):18h 33m 10.78s (= 278.29493°)
Dec (J2000):+34° 37′ 07.8″ (= +34.6188°)
Error (radius, 90%):6.7″
Detection flag:Good
XRT exposure:569 s (vignetting corrected)
Peak rate:0.012 (+0.007, -0.005) ct s-1
Peak flux:5.1 (+3.1, -2.2) ×10-13 erg cm-2 s-1
Mean rate:0.012 (+0.007, -0.005) ct s-1
Mean flux:5.1 (+3.1, -2.2) ×10-13 erg cm-2 s-1
Has spectral fit?No
Database ID:499
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 limit20.042 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 20″ 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