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Einstein Probe trigger EP#01709179071
Source 1 (SWIFT J213708.6-603607)

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):21h 37m 08.85s (= 324.28686°)
Dec (J2000):-60° 36′ 06.5″ (= -60.6018°)
Error (radius, 90%):3.0″ (enhanced position)
Detection flag:Good
XRT exposure:2.3 ks (vignetting corrected)
Peak rate:0.123 (±0.028) ct s-1
Peak flux:5.3 (±1.2) ×10-12 erg cm-2 s-1
Mean rate:0.097 (+0.009, -0.008) ct s-1
Mean flux:4.2 (±0.4) ×10-12 erg cm-2 s-1
The source is fading with 1.0-σ significance
Has spectral fit?Yes
NH 2.10 × 1021 cm-2
Γ 3.22
Database ID:406
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 J213708.3-603607
Cat. rate1:0.032 (±0.004) ct s-1
Cat. flux2:7.4 (±0.9) ×10-13 erg cm-2 s-1
Observed/Cat. flux3.3 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - 2MASS J21370885-6036054 is 2.0″ away.
High proper motion star?Yes. 2MASS J21370885-6036054
Catalogue SearchCone search radius 9″ 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