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GRB 201227A — Source 4 (SWIFT J112510.8-733757)

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Image of the XRT detection

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

Image of the LC

Spectrum

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Source details
Rank/Classification: Marked ‘spurious’ by manual checking. Automated classification: Uncatalogued X-ray source
RA (J2000):11h 25m 10.87s (= 171.29527°)
Dec (J2000):-73° 37′ 57.4″ (= -73.6326°)
Error (radius, 90%):4.4″
Detection flag:Good
XRT exposure:1722 s (vignetting corrected)
Peak rate:4.2 (+2.6, -1.9) ×10-3 ct s-1
Peak flux:1.80 (+1.14, -0.81) ×10-13 erg cm-2 s-1
Mean rate:4.2 (+2.6, -1.9) ×10-3 ct s-1
Mean flux:1.80 (+1.14, -0.81) ×10-13 erg cm-2 s-1
Has spectral fit?No
Database ID:511
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 limit20.050 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?Yes - HD 99441 is 3.6″ away.
High proper motion star?No.
Catalogue SearchCone search radius 13″ 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