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Bugs / to do.

Neutrino trigger IceCube 190221A
Source 1 (SWIFT J175350.4-161842)

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):17h 53m 50.48s (= 268.46034°)
Dec (J2000):-16° 18′ 42.8″ (= -16.3119°)
Error (radius, 90%):6.4″
Detection flag:Good
XRT exposure:421 s (vignetting corrected)
Peak rate:0.056 (+0.018, -0.015) ct s-1
Peak flux:2.4 (+0.8, -0.6) ×10-12 erg cm-2 s-1
Mean rate:0.056 (+0.018, -0.015) ct s-1
Mean flux:2.4 (+0.8, -0.6) ×10-12 erg cm-2 s-1
Has spectral fit?Yes
NH 1.47 × 1022 cm-2
Γ 3.38
Database ID:17
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 - XMMSL2 J175349.9-161846 in the XMM-NEWTON/XMMSLEWCLN catalogue.
Cat. rate1:0.8 (±0.3) ct s-1
Cat. flux2:7 (±3) ×10-12 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? ≤3-σ signifance.
Near 2MASS source? Yes, 6 matches. Show details.
Near SIMBAD source?No.
Catalogue SearchCone search radius 19″ 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