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Einstein Probe trigger EP#01709177873
Source 2 (SWIFT J155358.5+445923)

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):15h 53m 58.53s (= 238.49386°)
Dec (J2000):+44° 59′ 23.7″ (= +44.9899°)
Error (radius, 90%):6.2″
Detection flag:Good
XRT exposure:2.0 ks (vignetting corrected)
Peak rate:8.4 (+3.4, -2.7) ×10-3 ct s-1
Peak flux:3.6 (+1.5, -1.2) ×10-13 erg cm-2 s-1
Mean rate:8.4 (+3.4, -2.7) ×10-3 ct s-1
Mean flux:3.6 (+1.5, -1.2) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 7.23 × 1022 cm-2
Γ 2.84
Database ID:382
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
Rass upper limit20.27 ct s-1
Obs rate/Rass UL≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? No
Near SIMBAD source?Yes - SDSS J155358.58+445923.6 is 0.6″ away.
High proper motion star?No.
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.