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Einstein Probe trigger EP#01709132801
Source 1 (SWIFT J085244.5+223046)

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):08h 52m 44.55s (= 133.18562°)
Dec (J2000):+22° 30′ 48.1″ (= +22.5134°)
Error (radius, 90%):2.6″ (enhanced position)
Detection flag:Good
XRT exposure:1963 s (vignetting corrected)
Peak rate:1.03 (±0.23) ct s-1
Peak flux:4.4 (±1.0) ×10-11 erg cm-2 s-1
Mean rate:0.564 (±0.024) ct s-1
Mean flux:2.43 (±0.10) ×10-11 erg cm-2 s-1
The source is fading with 2.7-σ significance
Has spectral fit?Yes
NH 1.36 × 1021 cm-2
Γ 2.36
Database ID:331
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 - XMMSL3 J085244.1+223053 in the XMM-NEWTON/XMMSLEWCLN catalogue.
Cat. rate1:0.58 (±0.27) ct s-1
Cat. flux2:4.5 (±2.1) ×10-12 erg cm-2 s-1
Observed/Cat. flux3.6 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 2 matches. Show details.
Near SIMBAD source?Yes - LP 368-98 is 6.1″ away.
High proper motion star?Yes. LP 368-98
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