Archive for August 30, 2017

LIGO/VIRGO Update

Posted in The Universe and Stuff with tags , , on August 30, 2017 by telescoper

Judging by by the WordPress blog statistics page, there’s been a lot of traffic here in the past week owing to my post about the rumours of a new gravitational wave source detected by LIGO (and possibly VIRGO). In the interest of completeness I’ll just post a quick update to mention that the latest Observation run at LIGO  finished as planned on 25th August, and this has been marked by an official announcement which I have taken the liberty of presenting here in full:

The Virgo and LIGO Scientific Collaborations have been observing since November 30, 2016 in the second Advanced Detector Observing Run ‘O2’ , searching for gravitational-wave signals, first with the two LIGO detectors, then with both LIGO and Virgo instruments operating together since August 1, 2017. Some promising gravitational-wave candidates have been identified in data from both LIGO and Virgo during our preliminary analysis, and we have shared what we currently know with astronomical observing partners. We are working hard to assure that the candidates are valid gravitational-wave events, and it will require time to establish the level of confidence needed to bring any results to the scientific community and the greater public. We will let you know as soon we have information ready to share.

The last two sentences can be translated roughly as “Back off, and give us time to analyse the data!”, which is not an unreasonable request. Judging by the timescale between detection and publication of the previous LIGO events, it will probably be a matter of months before a formal announcement is made.

I hope this clarifies the situation.

 

 

 

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On the West Indies Winning

Posted in Cricket with tags , , , , , on August 30, 2017 by telescoper

Back in the office after a rather chaotic Bank Holiday Weekend during which, among other things, I managed to mislay my phone, I couldn’t resist a short post about yesterday’s victory by the West Indies over England at Headingley. I don’t often write about sporting events that I haven’t attended in person, but I thought I’d make an exception in this case for the reasons I’ll outline below.

The first is that, although England will be hurting after losing a game many expected them to win comfortably, I think this result is great for cricket.  Before this game I was gearing up to write a post wondering why there seem to be so few close Test matches these days, the previous series and the first one in this series having been quite one-sided. Although the West Indies won this one fairly comfortably in the end – by five wickets with several overs to spare, it still counts as `close’ in my book because the final day started with any result possible. That doesn’t happen very often, but when it does it makes for a marvellous experience. I wish I had been there. Long may five-day Test matches endure!

Shai Hope, whose beardpower led the West Indies to victory  (Photo credit: JEWEL SAMAD/AFP/Getty Images)

Secondly, I am not as critical as some of Joe Root’s decision to declare on 490-8 on Monday evening, leaving the visitors 322 to win. He obviously hoped to knock over a  couple of West Indian wickets in the six overs left to play that evening, but that didn’t happen. However, as long as no significant time was lost to the weather (which it wasn’t), that decision meant took the draw out of the equation. If the Windies batted all day on the last day – a big `’if’ – they would comfortably score the runs as only a shade over three an over was required. It’s one of the fascinating curiosities of cricket that maximising the chance of winning by declaring  can also maximise the chance of losing.

In the end, England’s bowlers didn’t perform to their best on the last day and, while many expected the batsmen to feel the pressure, it was England that seemed to crack, losing their cool in the field and dropping a couple of important catches. Crucially, Jimmy Anderson just didn’t get the ball to swing enough to be the threat that he can be. The other likely match-winner, Moeen Ali, did not bowl well either. But let that take nothing away from the excellent performance by the West Indies batsmen, especially Shai Hope (above), who looks a super player. Well played to him, and the rest of his team!

Incidentally, England’s 2nd innings score of 490 for 8 (declared) is the largest Test innings ever in which no batsmen has scored a century. Not a lot of people know that.

I have to admit that I was a bit saddened by the manner of the West Indies defeat in the First Test at Edgbaston because they looked so outclassed. So many of my boyhood sporting heroes were from the West Indies (including such illustrious names as Clive Lloyd, Viv Richards, Gordon Greenidge, Michael Holding, Joel Garner, and Malcom Marshall to name but a few) that it was painful to think of the team fading so badly as a force in Test cricket. They seem to have been in decline for some years, but perhaps the comeback starts now. I certainly hope so. The game is richer for having the West Indies as a force.

Finally, on the result. As regularly readers of this blog will know, I’m not averse to placing the odd bet now and then. When Joe Root declared I had a look at the website of Mr William Hill and noticed that the West Indies were 12/1 against to win the match. Largely based on England’s lacklustre bowling in  the first innings (with the exception of James Anderson), the strong batting performance by the West Indies in their first innings,  and the draw having been eliminated from consideration, I decided to put a pony (£25) on a West Indies win.  I had a look at the betting markets along with the score now and then throughout the day yesterday. The available odds changed throughout the day: at 84 for 2 the price was 8-1, at 101 for 2 it was 5-1, at 169 for 2 it was 13/10 and by the time they passed 200 the West Indies were favourites at 11/10 on (England 4/1 against).

At one game apiece with the West Indies on a high,  it’s all set up nicely for the deciding match of the series at Lord’s next week!