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Bugs / to do.

Neutrino trigger IceCube 200530A
Source 4 (SWIFT J165658.6+275443)

Image of the XRT detection

This source is detected in 2 blocks. Show all images.

Image of the LC

Spectrum

Image of the spectrum
Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):16h 56m 58.70s (= 254.24457°)
Dec (J2000):+27° 54′ 44.0″ (= +27.9122°)
Error (radius, 90%):6.7″
Detection flag:Good
XRT exposure:769 s (vignetting corrected)
Peak rate:0.012 (+0.006, -0.005) ct s-1
Peak flux:5.1 (+2.8, -2.0) ×10-13 erg cm-2 s-1
Mean rate:0.012 (+0.006, -0.005) ct s-1
Mean flux:5.1 (+2.8, -2.0) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 6.26 × 1020 cm-2
Γ 3.13
Database ID:187
Things to check:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: No warning (automatic)
Catalogue information
Known X-ray emitter?Yes - 2SXPS J165658.5+275444
Cat. rate1:0.0183 (±0.0015) ct s-1
Cat. flux2:7.9 (±0.6) ×10-13 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 - 2MASS J16565850+2754454 is 3.1″ away.
Catalogue SearchCone search radius 20″ 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