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Einstein Probe trigger EP#01709175213
Source 7 (SWIFT J195636.9+032741)

Image of the XRT detection

This source is detected in 1 block. Show all images.

Image of the LC

Spectrum

Image of the spectrum

Enhanced position

Image of the UVOT image
Source details
Rank/Classification: Marked ‘spurious’ by manual checking. Automated classification: Uncatalogued X-ray source
RA (J2000):19h 56m 37.78s (= 299.15741°)
Dec (J2000):+03° 27′ 28.2″ (= +3.4578°)
Error (radius, 90%):6.6″ (enhanced position)
Detection flag:Poor
XRT exposure:1135 s (vignetting corrected)
Peak rate:4.0 (±0.9) ct s-1
Peak flux:1.7 (±0.4) ×10-10 erg cm-2 s-1
Mean rate:2.51 (±0.22) ct s-1
Mean flux:1.08 (±0.10) ×10-10 erg cm-2 s-1
The source is fading with 4.0-σ significance
Has spectral fit?Yes
NH 1.43 × 1021 cm-2
Γ 1.64
Database ID:373
Things to check:
Optical Loading: Spurious source (verified)
Stray Light: No warning (automatic)
Extended Emission: Spurious source (verified)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
LSXPS upper limit8.1×10-4 ct s-1
Obs rate/LSXPS UL4.4 σ
Rass upper limit20.028 ct s-1
Obs rate/Rass UL4.4 σ
Fading? Yes (4.0-σ difference between at least one detection and a later detection or upper limit).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 19″ 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