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Einstein Probe trigger EP J1616.7-3042
Source 1 (SWIFT J161639.1-304224)

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: 2: Outbursting source
RA (J2000):16h 16m 39.14s (= 244.16310°)
Dec (J2000):-30° 42′ 24.1″ (= -30.7067°)
Error (radius, 90%):4.0″
Detection flag:Good
XRT exposure:8.0 ks (vignetting corrected)
Peak rate:0.035 (±0.009) ct s-1
Peak flux:1.5 (±0.4) ×10-12 erg cm-2 s-1
Mean rate:0.0147 (±0.0018) ct s-1
Mean flux:6.3 (±0.8) ×10-13 erg cm-2 s-1
The source is fading with 3.1-σ significance
Has spectral fit?Yes
NH 2.49 × 1021 cm-2
Γ 1.93
Database ID:347
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
LSXPS upper limit0.013 ct s-1
Obs rate/LSXPS UL2.4 σ
Rass upper limit20.056 ct s-1
Obs rate/Rass UL≤0 σ
Fading? Yes (3.1-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 11″ 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.