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Einstein Probe trigger EP250321a
Source 10 (SWIFT J115634.1+172709)

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):11h 56m 34.12s (= 179.14218°)
Dec (J2000):+17° 27′ 09.8″ (= +17.4527°)
Error (radius, 90%):6.9″
Detection flag:Reasonable
XRT exposure:10.3 ks (vignetting corrected)
Peak rate:8 (+7, -5) ×10-4 ct s-1
Peak flux:3.6 (+2.9, -2.2) ×10-14 erg cm-2 s-1
Has spectral fit?Yes
NH 1.11 × 1023 cm-2
Γ 9.60
Database ID:344
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 limit3.7×10-3 ct s-1
Obs rate/LSXPS UL≤0 σ
Rass upper limit20.0×100 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 20″ 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.