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GRB 190331B — Source 1 (SWIFT J214453.6-542818)

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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

Enhanced position

Image of the UVOT image

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Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):21h 44m 53.71s (= 326.22381°)
Dec (J2000):-54° 28′ 18.2″ (= -54.4717°)
Error (radius, 90%):3.7″ (enhanced position)
Detection flag:Good
XRT exposure:9.8 ks (vignetting corrected)
Peak rate:0.013 (±0.003) ct s-1
Peak flux:5.4 (±1.4) ×10 erg cm-2 s-1
Has spectral fit?Yes
NH 1.05 × 1021 cm-2
Γ 2.26
Database ID:247
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 limit20.068 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 11″ 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