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Einstein Probe trigger EP250911a
Source 2 (SWIFT J235049.0+290835)

Image of the XRT detection

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

No light curve at /swift/cat/EP/triggers/73/source485/curve

Spectrum

Image of the spectrum
Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):23h 50m 49.02s (= 357.70427°)
Dec (J2000):+29° 08′ 35.6″ (= +29.1432°)
Error (radius, 90%):12.4″
Detection flag:Poor
XRT exposure:0 s (vignetting corrected)
Peak rate:10 (+6, -4) ×10-3 ct s-1
Peak flux:4.1 (+2.6, -1.9) ×10-13 erg cm-2 s-1
Has spectral fit?No
Database ID:485
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 - 1WGA J2350.8+2908 in the ROSAT/WGACAT catalogue.
Cat. rate1:0.0122 (±0.0019) ct s-1
Cat. flux2:3.7 (±0.6) ×10-13 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 4 matches. Show details.
Near SIMBAD source?Yes - DES J235049.45+290827.8 is 9.5″ away.
High proper motion star?No.
Catalogue SearchCone search radius 37″ 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 assuming a generic AGN spectrum:NH=3×1020 cm-2, Γ=1.7

2MASS objects near the source

ID Position Offset from
XRT source		 J H K