Category Archives: Exoplanets

HR8799: wrap-up

Posted on April 12, 2012 by

So we had a rather nice discussion over the recent paper on LBT observations of HR8799. Seemed a good discussion with mostly a few people who work in the field or closely related fields. If you missed it feel free … Continue reading →

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Dusty, young and chaotic – the HR 8799 system with the new LBT AO system

Posted on April 11, 2012 by

Hi folks, for one week only I’ll be MCing astrojc while Emma is off wedding planning. This week’s paper is on the HR 8799 system. Three planets were directly imaged around this young star in 2008 with a fourth, closer … Continue reading →

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Review: Kepler-22b – hype or new home?

Posted on December 13, 2011 by

The 18th meeting of the astronomy twitter journal club was all about science hype. The topic was suggested when the Kepler team announced the discovery of Kepler-22b – the exoplanet the media immediately christened “Earth’s twin”. There’s some more information … Continue reading →

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Transcript: Kepler-22b – hype or new home

Posted on December 9, 2011 by

The transcript of the 18th Astronomy Twitter Journal Club meeting is now online at Chirpstory: http://chirpstory.com/dialog_embed/3351 or http://chirpstory.com/li/3351. You can also download the PDF: Tweet Transcript Archive.

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This week’s meeting: Kepler 22b – hype or new home?

Posted on December 7, 2011 by

The topic for this week’s astronomy twitter journal club (Thursday, 20:10 GMT) is Kepler-22b, a new exoplanet announced this week. However, the meeting won’t focus on the properties of this object, but rather on the media storm that’s blown up … Continue reading →

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Review: a signature of gas giant planet formation?

Posted on November 6, 2011 by

For the 14th meeting the astronomy twitter journal club planned to discuss the paper “Elemental abundance differences in the 16 Cygni binary system: a signature of gas giant planet formation?” (Ramirez et al. 2011). Here’s our (very) brief background post, … Continue reading →

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Transcript: a signature of gas giant planet formation?

Posted on November 5, 2011 by

The transcript of the 14th Astronomy Twitter Journal Club meeting is now online at Chirpstory: http://chirpstory.com/dialog_embed/2981 or http://chirpstory.com/li/2981. You can also download the PDF: Tweet transcript archive.

Posted in Exoplanets, Transcripts | 1 Comment

This week’s meeting: A signature of gas giant planet formation?

Posted on November 1, 2011 by

This week astronomy journal club will be considering exoplanets in general and “Elemental abundance differences in the 16 Cygni binary system: a signature of gas giant planet formation?” (Ramirez et al. 2011) in particular. Here’s the abstract, and don’t forget … Continue reading →

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Review: Planet Occurrence within 0.25 AU of Solar-Type Stars from Kepler

Posted on June 26, 2011 by

For the second Astronomy Twitter Journal Club meeting we discussed a paper from the Kepler team: Planet Occurrence within 0.25 AU of Solar-Type Stars from Kepler (Howard et al. 2011). Technical problems with twitter took up most of the first … Continue reading →

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Transcript: Planet Occurrence within 0.25 AU of Solar-Type Stars from Kepler

Posted on June 24, 2011 by

The transcript of the second astronomy twitter journal club meeting is now online at Chirpstory: http://chirpstory.com/li/1835 or http://chirpstory.com/dialog_embed/1835. There’s also a PDF copy if you want to download it: Planet Occurrence within 0.25 AU of Solar-Type Stars from Kepler. The … Continue reading →

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