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Einstein Probe trigger EP#01709248941
Source 37 (SWIFT J031936.1+413023)

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: 3: Uncatalogued X-ray source
RA (J2000):03h 19m 36.14s (= 49.90057°)
Dec (J2000):+41° 30′ 23.2″ (= +41.5064°)
Error (radius, 90%):5.7″
Detection flag:Poor
XRT exposure:1115 s (vignetting corrected)
Peak rate:0.22 (±0.06) ct s-1
Peak flux:9.4 (±2.4) ×10-12 erg cm-2 s-1
Mean rate:0.162 (±0.018) ct s-1
Mean flux:6.9 (±0.8) ×10-12 erg cm-2 s-1
The source is fading with 1.1-σ significance
Has spectral fit?Yes
NH 2.18 × 1021 cm-2
Γ 1.82
Database ID:544
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: Needs checking (automatic)
Catalogue information
Known X-ray emitter?No. Get XMM upper limit
LSXPS upper limit4.1×10-3 ct s-1
Obs rate/LSXPS UL3.8 σ
Rass upper limit22.0 ct s-1
Obs rate/Rass UL≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 2 matches. Show details.
Near SIMBAD source?Yes - Pul -3 270292 is 18.3″ away.
High proper motion star?No.
Catalogue SearchCone search radius 17″ 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