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Einstein Probe trigger EP250827a
Source 1 (SWIFT J001351.7-562952)

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: 1: Transient source
RA (J2000):00h 13m 52.17s (= 3.46738°)
Dec (J2000):-56° 29′ 51.3″ (= -56.4976°)
Error (radius, 90%):2.7″ (enhanced position)
Detection flag:Good
XRT exposure:10.0 ks (vignetting corrected)
Peak rate:0.25 (±0.06) ct s-1
Peak flux:1.09 (±0.25) ×10-11 erg cm-2 s-1
Mean rate:0.0370 (±0.0024) ct s-1
Mean flux:1.59 (±0.10) ×10-12 erg cm-2 s-1
The source is fading with 4.4-σ significance
Has spectral fit?Yes
NH 1.45 × 1020 cm-2
Γ 1.88
Database ID:442
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
Rass upper limit20.19 ct s-1
Obs rate/Rass UL1.1 σ
Fading? Yes (4.4-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 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.