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Einstein Probe trigger EP#01709130758
Source 9 (SWIFT J031946.5+412946)

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: Marked ‘spurious’ by manual checking. Automated classification: Known X-ray Source
RA (J2000):03h 19m 46.57s (= 49.94406°)
Dec (J2000):+41° 29′ 48.3″ (= +41.4967°)
Error (radius, 90%):6.1″ (enhanced position)
Detection flag:Poor
XRT exposure:1970 s (vignetting corrected)
Peak rate:1.7 (±0.4) ct s-1
Peak flux:7.2 (±1.6) ×10-11 erg cm-2 s-1
Mean rate:0.926 (±0.027) ct s-1
Mean flux:3.98 (±0.12) ×10-11 erg cm-2 s-1
The source is fading with 1.8-σ significance
Has spectral fit?Yes
NH 3.45 × 1021 cm-2
Γ 2.11
Database ID:277
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: Spurious source (verified)
Catalogue information
Known X-ray emitter?Yes - 2SXPS J031946.8+412946
Cat. rate1:0.0 (±2.6) ×10-3 ct s-1
Cat. flux2:0 (±9) ×10-14 erg cm-2 s-1
Observed/Cat. flux4.4 σ
Fading? ≤3-σ signifance.
Near 2MASS source? No
Near SIMBAD source?Yes - [HCF2005] SW1 knot is 9.4″ away.
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 using the automatic power-law spectral fit described above.