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Einstein Probe trigger EP#01709177124
Source 2 (SWIFT J155526.2-794033)

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: 4: Known X-ray Source
RA (J2000):15h 55m 26.21s (= 238.85921°)
Dec (J2000):-79° 40′ 33.5″ (= -79.6760°)
Error (radius, 90%):8.3″
Detection flag:Good
XRT exposure:1160 s (vignetting corrected)
Peak rate:7.0 (+3.6, -2.7) ×10-3 ct s-1
Peak flux:3.0 (+1.5, -1.2) ×10-13 erg cm-2 s-1
Mean rate:7.0 (+3.6, -2.7) ×10-3 ct s-1
Mean flux:3.0 (+1.5, -1.2) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 4.54 × 1024 cm-2
Γ 3.07
Database ID:377
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 - 4XMM J155521.6-794036 in the XMM-NEWTON/XMMSSC catalogue.
Cat. rate1:0.048 (±0.007) ct s-1
Cat. flux2:4.9 (±0.7) ×10-12 erg cm-2 s-1
Observed/Cat. flux2.2 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 3 matches. Show details.
Near SIMBAD source?Yes - LEDA 2828587 is 13.2″ away.
High proper motion star?No.
Catalogue SearchCone search radius 24″ 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