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Old 15-04-2019, 10:23 AM
gary
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LIGO spots another gravitational wave from colliding black holes

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Originally Posted by New Scientist, 9th April 2019
LIGO is back at it. Having just turned back on after months of upgrades on 1 April, the Laser Interferometer Gravitational-Wave Observatory has already spotted another pair of black holes colliding.
https://www.newscientist.com/article...rning-back-on/
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Old 12-05-2019, 12:27 PM
torsion (Bram)
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Since the start of the third observation run (or O3 for short), on the 1st of April 2019, so far there have been 7 public alerts for gravitational wave event candidates circulated (see for some details https://www.gw-openscience.org/alerts/). Approximately one per week...

The latest raw public alerts can be found here GraceDB — Gravitational Wave Candidate Event Database, select 'LATEST' in the menu at the top.

There is a nice 'Gravitational Wave Open Science Center' (https://www.gw-openscience.org/about/) website, which has lots of information, data, software and observatory status.

Under 'Software', there are some interactive web apps listed (https://www.gw-openscience.org/interactive/), of note are:
- Public Alerts, nice interface, (http://chirp.sr.bham.ac.uk, link may change in future)
- Gravitational Wave Events (iPhone App) (https://itunes.apple.com/us/app/grav...s/id1441897107)

For the technical minded, to see the current status of the LIGO and Virgo Observatories, still on the Gravitational Wave Open Science Center page, go to 'Online Status > Detector Status' and follow the link to 'Today's Summary Page'. In general 'lower is better' Happy to explain what is shown.

Bram
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