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GRB 250612A — Source 3 (SWIFT J164244.4-385721)

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Image of the XRT detection

This source is detected in 1 block. Show all images.

Image of the LC

Spectrum

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Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):16h 42m 44.46s (= 250.68526°)
Dec (J2000):-38° 57′ 21.2″ (= -38.9559°)
Error (radius, 90%):5.1″
Detection flag:Good
XRT exposure:3.1 ks (vignetting corrected)
Peak rate:0.0107 (±0.0027) ct s-1
Peak flux:4.6 (±1.2) ×10-13 erg cm-2 s-1
Mean rate:0.0107 (±0.0027) ct s-1
Mean flux:4.6 (±1.2) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 4.51 × 1021 cm-2
Γ 3.57
Database ID:1434
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 limit20.046 ct s-1
Obs rate/Rass UL≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 4 matches. Show details.
Near SIMBAD source?Yes - HD 150439 is 0.4″ away.
High proper motion star?No.
Catalogue SearchCone search radius 15″ 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