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Einstein Probe trigger EP250304a
Source 9 (SWIFT J135318.9-424730)

Image of the XRT detection

This source is detected in 1 block. Show all images.

Image of the LC

Spectrum

Image of the spectrum
Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):13h 53m 18.94s (= 208.32893°)
Dec (J2000):-42° 47′ 30.3″ (= -42.7918°)
Error (radius, 90%):7.7″
Detection flag:Poor
XRT exposure:28.0 ks (vignetting corrected)
Peak rate:1.0 (±0.3) ×10-3 ct s-1
Peak flux:4.3 (±1.4) ×10-14 erg cm-2 s-1
Mean rate:1.0 (±0.3) ×10-3 ct s-1
Mean flux:4.3 (±1.4) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 9.02 × 1021 cm-2
Γ 9.44
Database ID:323
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 J135319.3-424724
Cat. rate1:8 (±3) ×10-4 ct s-1
Cat. flux2:9 (±4) ×10-14 erg cm-2 s-1
Observed/Cat. flux0.5 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 22″ 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