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Einstein Probe trigger EP251124a
Source 3 (SWIFT J025510.5+413444)

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
Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):02h 55m 10.73s (= 43.79472°)
Dec (J2000):+41° 34′ 45.8″ (= +41.5794°)
Error (radius, 90%):5.3″ (enhanced position)
Detection flag:Poor
XRT exposure:2.5 ks (vignetting corrected)
Peak rate:3.8 (+2.5, -2.2) ×10-3 ct s-1
Peak flux:1.65 (+1.09, -0.93) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 2.80 × 1021 cm-2
Γ 3.07
Database ID:504
Things to check:
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
LSXPS upper limit0.016 ct s-1
Obs rate/LSXPS UL≤0 σ
Rass upper limit20.17 ct s-1
Obs rate/Rass UL≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? No
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.