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Einstein Probe trigger EP#01709248941
Source 1 (SWIFT J031948.3+413041)

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: 4: Known X-ray Source
RA (J2000):03h 19m 48.36s (= 49.95151°)
Dec (J2000):+41° 30′ 41.6″ (= +41.5116°)
Error (radius, 90%):3.5″
Detection flag:Good
XRT exposure:1115 s (vignetting corrected)
Peak rate:15.3 (±2.5) ct s-1
Peak flux:6.6 (±1.1) ×10-10 erg cm-2 s-1
Mean rate:15.3 (±2.5) ct s-1
Mean flux:6.6 (±1.1) ×10-10 erg cm-2 s-1
Has spectral fit?Yes
NH 9.73 × 1021 cm-2
Γ 2.32
Database ID:508
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: Needs checking (automatic)
Catalogue information
Known X-ray emitter?Yes - LSXPS J031948.2+413041
Cat. rate1:219.2 (±0.4) ct s-1
Cat. flux2:8.664 (±0.016) ×10-9 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 2 matches. Show details.
Near SIMBAD source?Yes - NGC 1275 is 2.3″ away.
High proper motion star?No.
Catalogue SearchCone search radius 10″ 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.

2MASS objects near the source

ID Position Offset from
XRT source		 J H K