Skip banner and navigation tools.

 |  site map

Einstein Probe trigger EP250304a
Source 2 (SWIFT J135305.7-424448)

Image of the XRT detection

This source is detected in 1 block. Show all images.

Image of the LC

Spectrum

Image of the spectrum
Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):13h 53m 05.72s (= 208.27384°)
Dec (J2000):-42° 44′ 48.2″ (= -42.7467°)
Error (radius, 90%):7.1″
Detection flag:Reasonable
XRT exposure:28.0 ks (vignetting corrected)
Peak rate:2.6 (±0.7) ×10-3 ct s-1
Peak flux:1.1 (±0.3) ×10-13 erg cm-2 s-1
Mean rate:2.5 (±0.5) ×10-3 ct s-1
Mean flux:1.06 (±0.22) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 2.87 × 1021 cm-2
Γ 1.31
Database ID:316
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 - LSXPS J135305.5-424449
Cat. rate1:2.3 (±0.5) ×10-3 ct s-1
Cat. flux2:1.28 (±0.29) ×10-13 erg cm-2 s-1
Observed/Cat. flux0.3 σ
Fading? ≤3-σ signifance.
Near 2MASS source? No
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 21″ 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.