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Einstein Probe trigger EP250304a
Source 10 (SWIFT J135353.4-425843)

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: 3: Uncatalogued X-ray source
RA (J2000):13h 53m 53.48s (= 208.47285°)
Dec (J2000):-42° 58′ 43.6″ (= -42.9788°)
Error (radius, 90%):5.9″
Detection flag:Poor
XRT exposure:26.7 ks (vignetting corrected)
Peak rate:2.9 (+4.0, -2.9) ×10-4 ct s-1
Peak flux:1.3 (+1.7, -1.3) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 7.66 × 1020 cm-2
Γ 4.64
Database ID:324
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
LSXPS upper limit1.1×10-3 ct s-1
Obs rate/LSXPS UL≤0 σ
Rass upper limit20.033 ct s-1
Obs rate/Rass UL≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 2 matches. Show details.
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 17″ 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