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GRB 250612A — Source 4 (SWIFT J164356.4-385553)

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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):16h 43m 56.41s (= 250.98505°)
Dec (J2000):-38° 55′ 53.3″ (= -38.9315°)
Error (radius, 90%):5.5″
Detection flag:Good
XRT exposure:3.1 ks (vignetting corrected)
Peak rate:5.6 (+2.0, -1.6) ×10-3 ct s-1
Peak flux:2.4 (+0.8, -0.7) ×10-13 erg cm-2 s-1
Mean rate:5.6 (+2.0, -1.6) ×10-3 ct s-1
Mean flux:2.4 (+0.8, -0.7) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 1.91 × 1023 cm-2
Γ -2.62
Database ID:1435
Possible issues:
Optical Loading: Needs checking (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - XMMSL3 J164355.5-385551 in the XMM-NEWTON/XMMSLEWCLN catalogue.
Cat. rate1:0.7 (±0.4) ct s-1
Cat. flux2:8 (±4) ×10-11 erg cm-2 s-1
Observed/Cat. flux2.5 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 6 matches. Show details.
Near SIMBAD source?Yes - HD 150624 is 4.2″ away.
High proper motion star?Yes. HD 150624
Catalogue SearchCone search radius 16″ 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