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Einstein Probe trigger EP250228a
Source 1 (SWIFT J065425.5-413417)

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):06h 54m 25.33s (= 103.60555°)
Dec (J2000):-41° 34′ 18.7″ (= -41.5719°)
Error (radius, 90%):3.6″ (enhanced position)
Detection flag:Good
XRT exposure:353 s (vignetting corrected)
Peak rate:0.23 (±0.05) ct s-1
Peak flux:10.0 (±2.2) ×10-12 erg cm-2 s-1
Mean rate:0.179 (±0.028) ct s-1
Mean flux:7.7 (±1.2) ×10-12 erg cm-2 s-1
Has spectral fit?Yes
NH 1.22 × 1021 cm-2
Γ 2.23
Database ID:302
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
LSXPS upper limit0.093 ct s-1
Obs rate/LSXPS UL2.8 σ
Rass upper limit20.035 ct s-1
Obs rate/Rass UL3.9 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 10″ 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