Skip banner and navigation tools.

 |  site map

Einstein Probe trigger EP250903a
Source 1 (SWIFT J223522.7-495242)

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):22h 35m 22.73s (= 338.84473°)
Dec (J2000):-49° 52′ 42.6″ (= -49.8785°)
Error (radius, 90%):5.4″
Detection flag:Good
XRT exposure:7.4 ks (vignetting corrected)
Peak rate:0.0146 (±0.0030) ct s-1
Peak flux:6.3 (±1.3) ×10-13 erg cm-2 s-1
Mean rate:0.0116 (±0.0018) ct s-1
Mean flux:5.0 (±0.8) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 6.41 × 1021 cm-2
Γ 6.80
Database ID:464
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 - XMMSL3 J223522.9-495238 in the XMM-NEWTON/XMMSLEWCLN catalogue.
Cat. rate1:0.46 (±0.25) ct s-1
Cat. flux2:2.4 (±1.3) ×10-12 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 2 matches. Show details.
Near SIMBAD source?Yes - 2MASS J22352261-4952413 is 1.8″ away.
High proper motion star?Yes. 2MASS J22352261-4952413
Catalogue SearchCone search radius 16″ 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