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GRB 220218A — Source 12 (SWIFT J085442.3+320005)

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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):08h 54m 42.37s (= 133.67656°)
Dec (J2000):+32° 00′ 05.2″ (= +32.0014°)
Error (radius, 90%):4.8″
Detection flag:Good
XRT exposure:12.7 ks (vignetting corrected)
Peak rate:1.0 (+0.5, -0.4) ×10-3 ct s-1
Peak flux:4.5 (+2.3, -1.8) ×10-14 erg cm-2 s-1
Mean rate:1.0 (+0.5, -0.4) ×10-3 ct s-1
Mean flux:4.5 (+2.3, -1.8) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 3.83 × 1022 cm-2
Γ 9.92
Database ID:764
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 limit20.025 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 76035 is 1.3″ away.
High proper motion star?No.
Catalogue SearchCone search radius 14″ 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