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Einstein Probe trigger EP#01709179435
Source 1 (SWIFT J214242.9+433510)

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: 2: Outbursting source
RA (J2000):21h 42m 43.02s (= 325.67927°)
Dec (J2000):+43° 35′ 09.8″ (= +43.5861°)
Error (radius, 90%):2.5″ (enhanced position)
Detection flag:Good
XRT exposure:1669 s (vignetting corrected)
Peak rate:25 (±5) ct s-1
Peak flux:1.09 (±0.20) ×10-9 erg cm-2 s-1
Mean rate:12.48 (±0.29) ct s-1
Mean flux:5.36 (±0.13) ×10-10 erg cm-2 s-1
Has spectral fit?Yes
NH 3.97 × 1021 cm-2
Γ 1.72
Database ID:409
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 - LSXPS J214243.0+433511
Cat. rate1:3.177 (±0.009) ct s-1
Cat. flux2:1.490 (±0.004) ×10-10 erg cm-2 s-1
Observed/Cat. flux4.8 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 2 matches. Show details.
Near SIMBAD source?Yes - V* SS Cyg is 1.9″ away.
High proper motion star?Yes. V* SS Cyg
Catalogue SearchCone search radius 7″ 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