Skip banner and navigation tools.

 |  site map

Einstein Probe trigger EP250610a
Source 3 (SWIFT J163355.6+382448)

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):16h 33m 55.66s (= 248.48192°)
Dec (J2000):+38° 24′ 48.6″ (= +38.4135°)
Error (radius, 90%):7.2″
Detection flag:Good
XRT exposure:4.0 ks (vignetting corrected)
Peak rate:4.6 (+1.8, -1.4) ×10-3 ct s-1
Peak flux:2.0 (+0.8, -0.6) ×10-13 erg cm-2 s-1
Mean rate:4.6 (+1.8, -1.4) ×10-3 ct s-1
Mean flux:2.0 (+0.8, -0.6) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 1.09 × 1020 cm-2
Γ 8.39
Database ID:389
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 limit20.039 ct s-1
Obs rate/Rass UL≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 21″ 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