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Einstein Probe trigger EP#01709132212
Source 2 (SWIFT J123156.4+130737)

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 31m 56.41s (= 187.98506°)
Dec (J2000):+13° 07′ 37.9″ (= +13.1272°)
Error (radius, 90%):9.0″
Detection flag:Poor
XRT exposure:1930 s (vignetting corrected)
Peak rate:6.5 (+3.1, -2.4) ×10-3 ct s-1
Peak flux:2.8 (+1.3, -1.0) ×10-13 erg cm-2 s-1
Mean rate:6.5 (+3.1, -2.4) ×10-3 ct s-1
Mean flux:2.8 (+1.3, -1.0) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 6.83 × 1021 cm-2
Γ 1.78
Database ID:311
Things to check:
Optical Loading: No warning (automatic)
Stray Light: Needs checking (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
LSXPS upper limit0.015 ct s-1
Obs rate/LSXPS UL≤0 σ
Rass upper limit20.058 ct s-1
Obs rate/Rass UL≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 26″ 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