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Einstein Probe trigger GRB 250919A
Source 1 (SWIFT J195413.3-485016)

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):19h 54m 13.00s (= 298.55415°)
Dec (J2000):-48° 50′ 15.9″ (= -48.8377°)
Error (radius, 90%):2.5″ (enhanced position)
Detection flag:Good
XRT exposure:1732 s (vignetting corrected)
Peak rate:4.1 (±0.9) ct s-1
Peak flux:1.8 (±0.4) ×10-10 erg cm-2 s-1
Mean rate:2.31 (±0.08) ct s-1
Mean flux:9.9 (±0.3) ×10-11 erg cm-2 s-1
Has spectral fit?Yes
NH 6.70 × 1020 cm-2
Γ 1.52
Database ID:489
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 limit20.041 ct s-1
Obs rate/Rass UL4.4 σ
Fading? ≤3-σ signifance.
Near 2MASS source? No
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 7″ 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.