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GRB 170121B — Source 4 (SWIFT J045035.0-091345)

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Image of the XRT detection

This source is detected in 1 block. Show all images.

Image of the LC

Spectrum

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Source details
Rank/Classification: 4: Known X-ray Source
RA (J2000):04h 50m 35.02s (= 72.64591°)
Dec (J2000):-09° 13′ 45.7″ (= -9.2293°)
Error (radius, 90%):9.6″
Detection flag:Good
XRT exposure:4.9 ks (vignetting corrected)
Peak rate:3.3 (±1.2) ×10-13 ct s-1
Peak flux:1.4 (±0.5) ×10 erg cm-2 s-1
Has spectral fit?Yes
NH 5.47 × 1020 cm-2
Γ 1.33
Database ID:67
Possible issues:
Optical Loading: No warning (automatic)
Stray Light: No warning (automatic)
Extended Emission: Needs checking (automatic)
Catalogue information
Known X-ray emitter?Yes - 1RXS J045035.1-091330 in the ROSAT/RASSFSC catalogue.
Cat. rate1:0.028 (±0.011) ct s-1
Cat. flux2:1.4 (±0.6) ×10-12 erg cm-2 s-1
Observed/Cat. flux≤0 σ
Fading? No (≤1-σ significance).
Near 2MASS source? Yes, 1 match. Show details.
Near SIMBAD source?No.
High proper motion star?No.
Catalogue SearchCone search radius 28″ 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