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GRB 250612A — Source 2 (SWIFT J164414.9-385641)

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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: 4: Known X-ray Source
RA (J2000):16h 44m 15.01s (= 251.06253°)
Dec (J2000):-38° 56′ 39.8″ (= -38.9444°)
Error (radius, 90%):5.8″ (enhanced position)
Detection flag:Good
XRT exposure:3.1 ks (vignetting corrected)
Peak rate:0.0119 (±0.0028) ct s-1
Peak flux:5.1 (±1.2) ×10-13 erg cm-2 s-1
Mean rate:0.0125 (+0.0028, -0.0026) ct s-1
Mean flux:5.4 (+1.2, -1.1) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 4.57 × 1021 cm-2
Γ 6.31
Database ID:1433
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 J164415.0-385642 in the XMM-NEWTON/XMMSLEWCLN catalogue.
Cat. rate1:0.69 (±0.30) ct s-1
Cat. flux2:3.8 (±1.6) ×10-12 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - HD 150689 is 4.8″ away.
High proper motion star?Yes. HD 150689
Catalogue SearchCone search radius 17″ 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