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Einstein Probe trigger EP#01709179435
Source 3 (SWIFT J214254.5+434153)

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):21h 42m 54.43s (= 325.72679°)
Dec (J2000):+43° 41′ 52.0″ (= +43.6978°)
Error (radius, 90%):6.0″ (enhanced position)
Detection flag:Good
XRT exposure:1669 s (vignetting corrected)
Peak rate:7.5 (+3.3, -2.7) ×10-3 ct s-1
Peak flux:3.2 (+1.4, -1.1) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 1.22 × 1024 cm-2
Γ 5.89
Database ID:411
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 J214254.8+434152
Cat. rate1:8.3 (±2.0) ×10-4 ct s-1
Cat. flux2:2.7 (±0.7) ×10-12 erg cm-2 s-1
Observed/Cat. flux2.2 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 2 matches. Show details.
Near SIMBAD source?Yes - Gaia DR3 1972982463963913344 is 4.7″ away.
High proper motion star?No.
Catalogue SearchCone search radius 18″ 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