SPOTS: imaging survey for circumbinary planets

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SPOTS: imaging survey for circumbinary planets

Post by Lazarus on 11th September 2014, 3:04 am

Thalmann et al. "SPOTS: The Search for Planets Orbiting Two Stars. I. Survey description and first observations"
http://arxiv.org/abs/1409.2869

Programme trargetting close binary systems to image wide-orbit circumbinary planets. Several potential candidates found, but follow-up is still needed.
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Re: SPOTS: imaging survey for circumbinary planets

Post by Lazarus on 17th May 2016, 2:55 pm

Bonavita et al. "SPOTS: The Search for Planets Orbiting Two Stars: II. First constraints on the frequency of sub-stellar companions on wide circumbinary orbits"
http://arxiv.org/abs/1605.03962

Occurrence rate for planets in circumbinary orbits around binary stars appears to be consistent with the occurrence rate around single stars.
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Re: SPOTS: imaging survey for circumbinary planets

Post by Lazarus on 24th July 2018, 3:00 pm

Latest update:

Asensio-Torres et al. "SPOTS: The Search for Planets Orbiting Two Stars. III. Complete Sample and Statistical Analysis"
https://arxiv.org/abs/1807.08687

There are some candidates at HIP 77911, though follow-up is required to confirm whether or not any of them are co-moving. There is also the detection of a low-mass star in the Lambda Muscae system. The inferred planet occurrence rate is still consistent with single star systems.
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Re: SPOTS: imaging survey for circumbinary planets

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