Skip banner and navigation tools.

 |  site map

Einstein Probe trigger EP#01709240653
Source 1 (SWIFT J194954.4-572931)

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: 3: Uncatalogued X-ray source
RA (J2000):19h 49m 54.42s (= 297.47674°)
Dec (J2000):-57° 29′ 36.0″ (= -57.4933°)
Error (radius, 90%):3.7″ (enhanced position)
Detection flag:Good
XRT exposure:1847 s (vignetting corrected)
Peak rate:0.085 (±0.025) ct s-1
Peak flux:3.6 (±1.1) ×10-12 erg cm-2 s-1
Mean rate:0.033 (±0.005) ct s-1
Mean flux:1.44 (+0.23, -0.22) ×10-12 erg cm-2 s-1
The source is fading with 1.9-σ significance
Has spectral fit?Yes
NH 4.43 × 1020 cm-2
Γ 2.38
Database ID:479
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
Rass upper limit20.050 ct s-1
Obs rate/Rass UL1.4 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 2 matches. Show details.
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.

2MASS objects near the source

ID Position Offset from
XRT source
J H K