Skip banner and navigation tools.

 |  site map

Einstein Probe trigger EP#01709248388
Source 1 (SWIFT J042330.1+095430)

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):04h 23m 30.21s (= 65.87586°)
Dec (J2000):+09° 54′ 28.8″ (= +9.9080°)
Error (radius, 90%):2.7″ (enhanced position)
Detection flag:Good
XRT exposure:2.1 ks (vignetting corrected)
Peak rate:0.46 (±0.10) ct s-1
Peak flux:2.0 (±0.4) ×10-11 erg cm-2 s-1
Mean rate:0.289 (±0.016) ct s-1
Mean flux:1.24 (±0.07) ×10-11 erg cm-2 s-1
The source is fading with 2.8-σ significance
Has spectral fit?Yes
NH 2.77 × 1021 cm-2
Γ 2.78
Database ID:494
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 - 1RXS J042331.3+095444 in the ROSAT/RASSBSC catalogue.
Cat. rate1:0.057 (±0.014) ct s-1
Cat. flux2:1.07 (±0.27) ×10-12 erg cm-2 s-1
Observed/Cat. flux4.0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - RX J0423.5+0955B is 1.4″ away.
High proper motion star?Yes. RX J0423.5+0955B, RX J0423.5+0
Catalogue SearchCone search radius 8″ 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