Skip banner and navigation tools.

 |  site map

Einstein Probe trigger EP250109a / GRB 250109A
Source 5 (SWIFT J055500.7-122746)

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: 3: Uncatalogued X-ray source
RA (J2000):05h 55m 00.75s (= 88.75311°)
Dec (J2000):-12° 27′ 46.3″ (= -12.4629°)
Error (radius, 90%):6.3″
Detection flag:Reasonable
XRT exposure:4.1 ks (vignetting corrected)
Peak rate:1.6 (+1.0, -0.7) ×10-3 ct s-1
Peak flux:7 (+4, -3) ×10-14 erg cm-2 s-1
Mean rate:1.6 (+1.0, -0.7) ×10-3 ct s-1
Mean flux:7 (+4, -3) ×10-14 erg cm-2 s-1
Has spectral fit?No
Database ID:265
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 limit20.014 ct s-1
Obs rate/Rass UL≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? No
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 18″ 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 assuming a generic AGN spectrum:NH=3×1020 cm-2, Γ=1.7