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Einstein Probe trigger EP#01709133021
Source 1 (SWIFT J121818.1+390726)

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):12h 18m 18.10s (= 184.57542°)
Dec (J2000):+39° 07′ 26.5″ (= +39.1240°)
Error (radius, 90%):7.3″
Detection flag:Good
XRT exposure:957 s (vignetting corrected)
Peak rate:9 (+5, -4) ×10-3 ct s-1
Peak flux:3.8 (+2.1, -1.5) ×10-13 erg cm-2 s-1
Mean rate:9 (+5, -4) ×10-3 ct s-1
Mean flux:3.8 (+2.1, -1.5) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 2.17 × 1020 cm-2
Γ 7.82
Database ID:356
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 limit0.024 ct s-1
Obs rate/LSXPS UL≤0 σ
Rass upper limit20.077 ct s-1
Obs rate/Rass UL≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? No
Near SIMBAD source?Yes - SDSS J121818.12+390728.5 is 2.1″ away.
High proper motion star?No.
Catalogue SearchCone search radius 21″ 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.