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SVOM trigger sb25101004
Source 4 (SWIFT J204514.4-312001)

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: 1: Transient source
RA (J2000):20h 45m 14.41s (= 311.31003°)
Dec (J2000):-31° 20′ 01.5″ (= -31.3337°)
Error (radius, 90%):7.9″
Detection flag:Reasonable
XRT exposure:2.1 ks (vignetting corrected)
Peak rate:67.9 (±12.1) ct s-1
Peak flux:2.9 (±0.5) ×10-9 erg cm-2 s-1
Mean rate:33.0 (±0.6) ct s-1
Mean flux:1.419 (±0.025) ×10-9 erg cm-2 s-1
The source is fading with 5.0-σ significance
Has spectral fit?Yes
NH 7.87 × 1020 cm-2
Γ 1.61
Database ID:413
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: Spurious source (verified)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
Rass upper limit23.5 ct s-1
Obs rate/Rass UL5.3 σ
Fading? Yes (5.0-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 23″ 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.