Skip banner and navigation tools.

 |  site map

GRB 220218A — Source 3 (SWIFT J085524.4+315935)

Build custom XRT products for this source.

Image of the XRT detection

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

Image of the LC

Spectrum

Image of the spectrum

Back to list of objects in this field.

Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):08h 55m 24.48s (= 133.85199°)
Dec (J2000):+31° 59′ 35.6″ (= +31.9932°)
Error (radius, 90%):7.0″
Detection flag:Poor
XRT exposure:12.7 ks (vignetting corrected)
Peak rate:1.94 (+1.13, -0.83) ×10-3 ct s-1
Peak flux:8 (+5, -4) ×10-14 erg cm-2 s-1
Mean rate:1.94 (+1.13, -0.83) ×10-3 ct s-1
Mean flux:8 (+5, -4) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 2.18 × 1020 cm-2
Γ 3.00
Database ID:755
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 limit20.024 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? No
Near SIMBAD source?Yes - SDSS J085523.95+315934.6 is 6.7″ away.
High proper motion star?No.
Catalogue SearchCone search radius 21″ 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.