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GRB 230512A — Source 4 (SWIFT J194048.5+383108)

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Image of the XRT detection

This source is detected in 2 blocks. Show all images.

Image of the LC


Image of the spectrum

Enhanced position

Image of the UVOT image

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Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):19h 40m 48.56s (= 295.20232°)
Dec (J2000):+38° 31′ 09.6″ (= +38.5193°)
Error (radius, 90%):3.1″ (enhanced position)
Detection flag:Good
XRT exposure:2.3 ks (vignetting corrected)
Peak rate:0.029 (±0.006) ct s-1
Peak flux:1.25 (±0.27) ×10-12 erg cm-2 s-1
Mean rate:0.029 (±0.005) ct s-1
Mean flux:1.26 (±0.20) ×10-12 erg cm-2 s-1
Has spectral fit?Yes
NH 3.53 × 1021 cm-2
Γ 2.65
Database ID:1022
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: Needs checking (automatic)
Catalogue information
Known X-ray emitter?Yes - 1RXS J194049.3+383137 in the ROSAT/RASSFSC catalogue.
Cat. rate1:0.043 (±0.011) ct s-1
Cat. flux2:1.04 (±0.27) ×10-12 erg cm-2 s-1
Observed/Cat. flux0.7 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - KOI-3725.01 is 2.8″ away.
Catalogue SearchCone search radius 9″ Vizier | Simbad | NED | X-ray master | LSXPS | 3XMM-DR5

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