School of Physics & Astronomy

| site map

Home
About
The Swift Mission UK involvement Instruments
GRBs before Swift GRBs in the Swift era Non-GRB science with Swift GRB research at Leicester
Spacecraft status Swift in the press Swift Videos
Support
Helpdesk TOO requests Guest Investigator program Target visibility checker Search transient database
Data Access
Overview Quick Look GCN Notices Download obs data Search obs catalogue The 2SXPS catalogue The LSXPS catalogue
Data Analysis
Data analysis overview Swift software
Build XRT products
BAT data analysis guide XRT data analysis guide XRT digest UVOT data analysis guide
GRB Products
Full dataset Swift XRT products for GRBs XRT positions XRT light curves XRT spectra XRT GRB catalogue XRT GRB images Burst analyser Prompt dataset GRB field info XRT prompt analysis
Publications
Publication index Published papers Submitted papers XRT instrument papers ATels GCNs Conferences
Links
Databases NED Simbad GCN circulars archive GRB data table Software & Tools Swift Software (HEASoft) Xanadu WebPIMMS Institutional Swift Sites GSFC PSU OAB SSDC MSSL University of Leicester

GRB 220418B — Source 22 (SWIFT J145634.1-172914)

Build custom XRT products for this source.

Image | Exposure map

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):	14h 56m 34.15s (= 224.14230°)
Dec (J2000):	-17° 29′ 14.5″ (= -17.4874°)
Error (radius, 90%):	6.2″
Detection flag:	Poor
XRT exposure:	1464 s (vignetting corrected)
Peak rate:	8 (+5, -4) ×10^-3 ct s^-1
Peak flux:	3.5 (+2.1, -1.7) ×10^-13 erg cm^-2 s^-1
Has spectral fit?	No
Database ID:	820
Possible issues:
Optical Loading:	No warning (automatic)
Stray Light:	No warning (automatic)
Extended Emission:	Needs checking (automatic)
Catalogue information
Known X-ray emitter?	No. Get XMM upper limit
Rass upper limit²	0.031 ct s^-1
Obs rate/Rass UL	≤0 σ
Fading?	No (≤1-σ significance).
Near 2MASS source?	No
Near SIMBAD source?	No.
Catalogue Search	Cone search radius 18″ Vizier \| Simbad \| NED \| X-ray master \| LSXPS \| 3XMM-DR5