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Einstein Probe trigger EP251124a
Source 4 (SWIFT J025417.1+413846)

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: 4: Known X-ray Source
RA (J2000):02h 54m 17.40s (= 43.57252°)
Dec (J2000):+41° 38′ 46.8″ (= +41.6463°)
Error (radius, 90%):5.1″ (enhanced position)
Detection flag:Poor
XRT exposure:2.5 ks (vignetting corrected)
Peak rate:5.6 (+3.1, -2.7) ×10-3 ct s-1
Peak flux:2.4 (+1.4, -1.1) ×10-13 erg cm-2 s-1
Has spectral fit?No
Database ID:505
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 J025416.3+413842
Cat. rate1:0.010 (±0.004) ct s-1
Observed/Cat. flux≤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 assuming a generic AGN spectrum:NH=3×1020 cm-2, Γ=1.7