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rodluger / planetplanet

A general photodynamical code for exoplanet light curves
https://rodluger.github.io/planetplanet
GNU General Public License v3.0
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Coplanar multi-transiting systems? #28

Closed rodluger closed 7 years ago

rodluger commented 7 years ago

What are some of the highly coplanar, tightly packed multis in Kepler that I can mention in the intro to motivate PPOs further?

ericagol commented 7 years ago

Kepler-444 (5 planets, M_star = 0.76), Kepler-80 (5-planets, M_star = 0.72). But, these stars are much larger, more luminous, and more massive than TRAPPIST-1, so they won't have nearly as deep PPOs. Some smaller stars are Kepler-42 (3 planets, M_star = 0.13), Kepler-445 (3 planets, M_star = 0.18), Kepler-446 (3 planets, M_star = 0.22). Also, since these are Kepler targets, the stars are much more distant, so won't be as favorable S/N as TRAPPIST-1 for all of these reasons.

rodluger commented 7 years ago

Awesome! Thank you. I mostly want to motivate that close-in, tightly packed, and co-planar exoplanets are common -- doesn't matter that these specific ones are far away. If you have references for some of these off the top of your head that would be helpful too, otherwise I can look them up. Thanks!

ericagol commented 7 years ago

Kepler-80: http://iopscience.iop.org/article/10.3847/0004-6256/152/4/105/meta Kepler-444: http://iopscience.iop.org/article/10.1088/0004-637X/799/2/170 Kepler-42: http://iopscience.iop.org/article/10.1088/0004-637X/747/2/144/meta Kepler-445/446: http://iopscience.iop.org/article/10.1088/0004-637X/801/1/18 Also, I forgot: Kepler-32: http://iopscience.iop.org/article/10.1088/0004-637X/764/1/105/meta

rodluger commented 7 years ago

Thank you! Are there good limits on the coplanarity of the 5-planet systems?

On Wed, Jul 12, 2017 at 3:07 PM Eric Agol notifications@github.com wrote:

Kepler-80: http://iopscience.iop.org/article/10.3847/0004-6256/152/4/105/meta Kepler-444: http://iopscience.iop.org/article/10.1088/0004-637X/799/2/170 Kepler-42: http://iopscience.iop.org/article/10.1088/0004-637X/747/2/144/meta Kepler-445/446: http://iopscience.iop.org/article/10.1088/0004-637X/801/1/18 Also, I forgot: Kepler-32: http://iopscience.iop.org/article/10.1088/0004-637X/764/1/105/meta

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rodluger commented 7 years ago

Looks like the answer is yes, based on all three papers: they are all super coplanar.

On Wed, Jul 12, 2017 at 3:11 PM Rodrigo Luger rodluger@gmail.com wrote:

Thank you! Are there good limits on the coplanarity of the 5-planet systems?

On Wed, Jul 12, 2017 at 3:07 PM Eric Agol notifications@github.com wrote:

Kepler-80: http://iopscience.iop.org/article/10.3847/0004-6256/152/4/105/meta Kepler-444: http://iopscience.iop.org/article/10.1088/0004-637X/799/2/170 Kepler-42: http://iopscience.iop.org/article/10.1088/0004-637X/747/2/144/meta Kepler-445/446: http://iopscience.iop.org/article/10.1088/0004-637X/801/1/18 Also, I forgot: Kepler-32: http://iopscience.iop.org/article/10.1088/0004-637X/764/1/105/meta

— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub https://github.com/rodluger/planetplanet/issues/28#issuecomment-314911746, or mute the thread https://github.com/notifications/unsubscribe-auth/AI5FKznacRWX6DrPCh7VzrM4bzBSWm3qks5sNUOugaJpZM4OWObk .