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2nd Planet Hunters Paper Submitted

28 Feb 2012, 09:08 UTC
2nd Planet Hunters Paper Submitted
(200 words excerpt, click title or image to see full post)

Way back in January I blogged about our announcement of two new candidates, confidently predicting that the paper would be out in the next few days. That didn’t happen for all sorts of reasons, but it’s now submitted to the Astronomical Journal. Rather than wait until we get the referee’s seal of approval (or a lot of criticism!), we’ve made the paper public via the arXiv – you can read it here.

As the picture on the blog post shows, five volunteers are co-authors, many more are thanked in the paper, and there’s a link to the authors page to give credit to all our volunteers for taking part. In the month or so that we’ve had since the conference, we’ve done some more work to pin down the behaviour of these systems. The first exciting new discovery was the length of time between transits was changing slightly for KIC4552729. These transit timing variations, or TTVs, suggest that there’s something else there, another body whose gravity is affecting the orbit of the planet candidate whose transits we do detect. We need more data to work out exactly what’s going on, but the immediate implication is that it’s more likely ...

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