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Einstein Probe trigger EP#01709178875
Source 1 (SWIFT J154038.0-342131)

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):15h 40m 37.97s (= 235.15822°)
Dec (J2000):-34° 21′ 30.6″ (= -34.3585°)
Error (radius, 90%):6.1″ (enhanced position)
Detection flag:Good
XRT exposure:268 s (vignetting corrected)
Peak rate:0.042 (+0.016, -0.013) ct s-1
Peak flux:1.8 (+0.7, -0.6) ×10-12 erg cm-2 s-1
Mean rate:0.042 (+0.016, -0.013) ct s-1
Mean flux:1.8 (+0.7, -0.6) ×10-12 erg cm-2 s-1
Has spectral fit?Yes
NH 2.27 × 1021 cm-2
Γ 4.94
Database ID:391
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 - 4XMM J154038.2-342136 in the XMM-NEWTON/XMMSSC catalogue.
Cat. rate1:0.330 (±0.007) ct s-1
Cat. flux2:1.88 (±0.04) ×10-12 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 2 matches. Show details.
Near SIMBAD source?Yes - Sz 67 is 6.0″ away.
High proper motion star?Yes. SZ 67
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