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Einstein Probe trigger EP250304a
Source 6 (SWIFT J135310.6-424925)

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 10.68s (= 208.29448°)
Dec (J2000):-42° 49′ 25.7″ (= -42.8238°)
Error (radius, 90%):6.0″
Detection flag:Poor
XRT exposure:28.0 ks (vignetting corrected)
Peak rate:6 (+6, -4) ×10-4 ct s-1
Peak flux:2.8 (+2.5, -1.9) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 2.88 × 1022 cm-2
Γ 2.34
Database ID:320
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 limit1.3×10-3 ct s-1
Obs rate/LSXPS UL≤0 σ
Rass upper limit20.021 ct s-1
Obs rate/Rass UL≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? No
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.