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Einstein Probe trigger EP#01709131775
Source 1 (SWIFT J052257.1-085012)

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):05h 22m 57.16s (= 80.73816°)
Dec (J2000):-08° 50′ 13.0″ (= -8.8369°)
Error (radius, 90%):2.5″ (enhanced position)
Detection flag:Good
XRT exposure:1948 s (vignetting corrected)
Peak rate:4.5 (±1.0) ct s-1
Peak flux:1.9 (±0.4) ×10-10 erg cm-2 s-1
Mean rate:2.01 (±0.06) ct s-1
Mean flux:8.64 (±0.28) ×10-11 erg cm-2 s-1
The source is fading with 3.5-σ significance
Has spectral fit?Yes
NH 1.77 × 1021 cm-2
Γ 1.95
Database ID:295
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 - 2SXPS J052256.7-085017
Cat. rate1:0.035 (±0.012) ct s-1
Cat. flux2:1.3 (±0.4) ×10-12 erg cm-2 s-1
Observed/Cat. flux4.7 σ
Fading? Yes (3.5-σ difference between at least one detection and a later detection or upper limit).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - RX J0523.0-0850 is 1.8″ away.
High proper motion star?No.
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