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Einstein Probe trigger EP250125a
Source 1 (SWIFT J114127.2-214248)

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):11h 41m 27.21s (= 175.36337°)
Dec (J2000):-21° 42′ 48.5″ (= -21.7135°)
Error (radius, 90%):3.8″
Detection flag:Good
XRT exposure:6.8 ks (vignetting corrected)
Peak rate:0.16 (±0.03) ct s-1
Peak flux:6.7 (±1.5) ×10-12 erg cm-2 s-1
Mean rate:0.0270 (±0.0023) ct s-1
Mean flux:1.16 (±0.10) ×10-12 erg cm-2 s-1
The source is fading with 3.7-σ significance
Has spectral fit?Yes
NH 1.97 × 1021 cm-2
Γ 2.55
Database ID:279
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
2SXPS upper limit4.3×10-3 ct s-1
Obs rate/2SXPS UL4.3 σ
Rass upper limit20.091 ct s-1
Obs rate/Rass UL1.8 σ
Fading? Yes (3.7-σ difference between at least one detection and a later detection or upper limit).
Near 2MASS source? No
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 11″ 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.