Skip banner and navigation tools.

 |  site map

GRB 241018A — Source 4 (SWIFT J043155.8+430723)

Build custom XRT products for this source.

Image of the XRT detection

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

Image of the LC

Spectrum

Image of the spectrum

Back to list of objects in this field.

Source details
Rank/Classification: 3: Uncatalogued X-ray source
RA (J2000):04h 31m 55.88s (= 67.98285°)
Dec (J2000):+43° 07′ 23.7″ (= +43.1232°)
Error (radius, 90%):6.3″
Detection flag:Good
XRT exposure:3.7 ks (vignetting corrected)
Peak rate:3.8 (+1.4, -1.2) ×10-3 ct s-1
Peak flux:1.6 (+0.6, -0.5) ×10-13 erg cm-2 s-1
Mean rate:3.8 (+1.4, -1.2) ×10-3 ct s-1
Mean flux:1.6 (+0.6, -0.5) ×10-13 erg cm-2 s-1
Has spectral fit?Yes
NH 1.22 × 1022 cm-2
Γ 9.20
Database ID:1250
Possible issues:
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 limit20.025 ct s-1
Obs rate/Rass UL≤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 18″ 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