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GRB 190331B — Source 2 (SWIFT J214508.2-544255)

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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: 4: Known X-ray Source
RA (J2000):21h 45m 08.22s (= 326.28426°)
Dec (J2000):-54° 42′ 55.3″ (= -54.7154°)
Error (radius, 90%):10.6″
Detection flag:Good
XRT exposure:7.0 ks (vignetting corrected)
Peak rate:0.011 (±0.004) ct s-1
Peak flux:4.8 (±1.6) ×10 erg cm-2 s-1
Has spectral fit?Yes
NH 1.58 × 1021 cm-2
Γ 2.93
Database ID:248
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - 1RXS J214509.7-544256 in the ROSAT/RASSFSC catalogue.
Cat. rate1:0.019 (±0.009) ct s-1
Cat. flux2:3.3 (±1.5) ×10-13 erg cm-2 s-1
Observed/Cat. flux0.7 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 2 matches. Show details.
Near SIMBAD source?Yes - RAVE J214508.9-544256 is 5.5″ away.
High proper motion star?No.
Catalogue SearchCone search radius 31″ 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