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Einstein Probe trigger EP#01709179036
Source 1 (SWIFT J174240.0-274450)

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: 2: Outbursting source
RA (J2000):17h 42m 40.01s (= 265.66669°)
Dec (J2000):-27° 44′ 51.1″ (= -27.7475°)
Error (radius, 90%):2.6″ (enhanced position)
Detection flag:Good
XRT exposure:862 s (vignetting corrected)
Peak rate:19 (±3) ct s-1
Peak flux:8.0 (±1.5) ×10-10 erg cm-2 s-1
Mean rate:13.0 (±0.4) ct s-1
Mean flux:5.58 (±0.18) ×10-10 erg cm-2 s-1
Has spectral fit?Yes
NH 2.29 × 1022 cm-2
Γ 2.05
Database ID:395
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - LSXPS J174240.0-274452
Cat. rate1:1.111 (±0.005) ct s-1
Cat. flux2:7.03 (±0.03) ×10-11 erg cm-2 s-1
Observed/Cat. flux5.1 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 3 matches. Show details.
Near SIMBAD source?Yes - V* V2606 Oph is 2.0″ away.
High proper motion star?No.
Catalogue SearchCone search radius 7″ 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