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GRB 210520A — Source 4 (SWIFT J081612.9-693720)

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Image of the XRT detection

This source is detected in 2 blocks. 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):08h 16m 12.96s (= 124.05401°)
Dec (J2000):-69° 37′ 20.3″ (= -69.6223°)
Error (radius, 90%):11.1″
Detection flag:Poor
XRT exposure:599 s (vignetting corrected)
Peak rate:0.014 (+0.008, -0.006) ct s-1
Peak flux:6.1 (+3.3, -2.4) ×10-13 erg cm-2 s-1
Mean rate:0.014 (+0.008, -0.006) ct s-1
Mean flux:6.1 (+3.3, -2.4) ×10-13 erg cm-2 s-1
Has spectral fit?No
Database ID:578
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 limit20.0×100 ct s-1
Obs rate/Rass UL5.1 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 2 matches. Show details.
Near SIMBAD source?No.
Catalogue SearchCone search radius 33″ 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