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Einstein Probe trigger EP#01709248635
Source 2 (SWIFT J042333.5+154124)

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):04h 23m 33.68s (= 65.89035°)
Dec (J2000):+15° 41′ 20.0″ (= +15.6889°)
Error (radius, 90%):5.6″ (enhanced position)
Detection flag:Good
XRT exposure:754 s (vignetting corrected)
Peak rate:0.028 (±0.007) ct s-1
Peak flux:1.2 (±0.3) ×10-12 erg cm-2 s-1
Mean rate:0.028 (±0.007) ct s-1
Mean flux:1.2 (±0.3) ×10-12 erg cm-2 s-1
Has spectral fit?Yes
NH 2.87 × 1021 cm-2
Γ 1.80
Database ID:499
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: Needs checking (automatic)
Catalogue information
Known X-ray emitter?Yes - 1RXS J042334.4+154204 in the ROSAT/RASSFSC catalogue.
Cat. rate1:0.048 (±0.014) ct s-1
Cat. flux2:2.0 (±0.6) ×10-12 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 - 2E 0420.7+1534 is 9.5″ away.
High proper motion star?No.
Catalogue SearchCone search radius 16″ 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