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SVOM trigger GRB 250901A
Source 2 (SWIFT J234428.8-154714)

Image of the XRT detection

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

Image of the LC

Spectrum

Image of the spectrum
Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):23h 44m 28.83s (= 356.12011°)
Dec (J2000):-15° 47′ 14.3″ (= -15.7873°)
Error (radius, 90%):5.1″
Detection flag:Good
XRT exposure:754 s (vignetting corrected)
Peak rate:0.012 (+0.006, -0.004) ct s-1
Peak flux:5.3 (+2.4, -1.9) ×10-13 erg cm-2 s-1
Mean rate:0.012 (+0.006, -0.004) ct s-1
Mean flux:5.3 (+2.4, -1.9) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 1.91 × 1020 cm-2
Γ 1.63
Database ID:393
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - LSXPS J234428.9-154717
Cat. rate1:0.0196 (±0.0010) ct s-1
Cat. flux2:7.6 (±0.4) ×10-13 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?No.
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