Skip banner and navigation tools.

 |  site map

GRB 200424A — Source 1 (SWIFT J203001.3-394159)

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

Enhanced position

Image of the UVOT image

Back to list of objects in this field.

This source has been manually confirmed as the GRB afterglow so these products are no longer updated. The up-to-date data for the afterglow are now available through the main GRB results area for this GRB.

Source details
Rank/Classification: 2: Outbursting source
RA (J2000):20h 30m 01.31s (= 307.50547°)
Dec (J2000):-39° 42′ 00.5″ (= -39.7001°)
Error (radius, 90%):3.0″ (enhanced position)
Detection flag:Good
XRT exposure:9.5 ks (vignetting corrected)
Peak rate:8.3 (±1.6) ×10-3 ct s-1
Peak flux:3.6 (±0.7) ×10-13 erg cm-2 s-1
Mean rate:8.3 (±1.6) ×10-3 ct s-1
Mean flux:3.6 (±0.7) ×10-13 erg cm-2 s-1
The source is fading with 4.8-σ significance
Has spectral fit?Yes
NH 4.28 × 1020 cm-2
Γ 1.91
Database ID:363
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 limit20.046 ct s-1
Obs rate/Rass UL≤0 σ
Fading? Yes (4.8-σ difference between at least one detection and a later detection or upper limit).
Near 2MASS source? No
Near SIMBAD source?No.
Catalogue SearchCone search radius 9″ Vizier | Simbad | NED | X-ray master | LSXPS | 3XMM-DR5