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Einstein Probe trigger EP#01709248635
Source 3 (SWIFT J042325.5+154553)

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):04h 23m 25.54s (= 65.85643°)
Dec (J2000):+15° 45′ 53.6″ (= +15.7649°)
Error (radius, 90%):7.0″
Detection flag:Good
XRT exposure:754 s (vignetting corrected)
Peak rate:10 (+6, -4) ×10-3 ct s-1
Peak flux:4.2 (+2.5, -1.8) ×10-13 erg cm-2 s-1
Mean rate:10 (+6, -4) ×10-3 ct s-1
Mean flux:4.2 (+2.5, -1.8) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 2.98 × 1021 cm-2
Γ 9.15
Database ID:500
Things to check:
Optical Loading: Needs checking (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - 1WGA J0423.4+1545 in the ROSAT/WGACAT catalogue.
Cat. rate1:0.0284 (±0.0020) ct s-1
Cat. flux2:8.6 (±0.6) ×10-13 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 3 matches. Show details.
Near SIMBAD source?Yes - V* V989 Tau is 7.4″ away.
High proper motion star?Yes. V* V989 Tau
Catalogue SearchCone search radius 21″ 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