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Einstein Probe trigger EP#01709179396
Source 1 (SWIFT J105013.8-885954)

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: 4: Known X-ray Source
RA (J2000):10h 50m 04.77s (= 162.51986°)
Dec (J2000):-88° 59′ 54.4″ (= -88.9985°)
Error (radius, 90%):3.0″ (enhanced position)
Detection flag:Good
XRT exposure:849 s (vignetting corrected)
Peak rate:0.20 (±0.04) ct s-1
Peak flux:8.6 (±1.9) ×10-12 erg cm-2 s-1
Mean rate:0.175 (±0.017) ct s-1
Mean flux:7.5 (±0.7) ×10-12 erg cm-2 s-1
Has spectral fit?Yes
NH 2.11 × 1021 cm-2
Γ 2.92
Database ID:408
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 J105047.2-885952 in the ROSAT/RASSBSC catalogue.
Cat. rate1:0.104 (±0.022) ct s-1
Cat. flux2:1.8 (±0.4) ×10-12 erg cm-2 s-1
Observed/Cat. flux2.7 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?Yes - [WMK2011] CSTAR 38580 is 1.1″ away.
High proper motion star?Yes. [WMK2011] CSTAR 38580
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