Poster Open Access
Jon F. Otegi; François Bouchy; Ravit Helled
<?xml version='1.0' encoding='UTF-8'?> <record xmlns="http://www.loc.gov/MARC21/slim"> <leader>00000nam##2200000uu#4500</leader> <controlfield tag="005">20211011134831.0</controlfield> <controlfield tag="001">5561371</controlfield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">University of Geneva</subfield> <subfield code="a">François Bouchy</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">University of Zurich</subfield> <subfield code="a">Ravit Helled</subfield> </datafield> <datafield tag="856" ind1="4" ind2=" "> <subfield code="s">723313</subfield> <subfield code="z">md5:72caf0ccc66cba56eccae436e4278d50</subfield> <subfield code="u">https://zenodo.org/record/5561371/files/poster.pdf</subfield> </datafield> <datafield tag="542" ind1=" " ind2=" "> <subfield code="l">open</subfield> </datafield> <datafield tag="260" ind1=" " ind2=" "> <subfield code="c">2021-10-11</subfield> </datafield> <datafield tag="909" ind1="C" ind2="O"> <subfield code="p">openaire</subfield> <subfield code="p">user-plato2021</subfield> <subfield code="o">oai:zenodo.org:5561371</subfield> </datafield> <datafield tag="100" ind1=" " ind2=" "> <subfield code="u">Universities of Geneva & Zurich</subfield> <subfield code="a">Jon F. Otegi</subfield> </datafield> <datafield tag="245" ind1=" " ind2=" "> <subfield code="a">Similarity of multi-planetary systems</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">user-plato2021</subfield> </datafield> <datafield tag="540" ind1=" " ind2=" "> <subfield code="u">https://creativecommons.org/licenses/by/4.0/legalcode</subfield> <subfield code="a">Creative Commons Attribution 4.0 International</subfield> </datafield> <datafield tag="650" ind1="1" ind2="7"> <subfield code="a">cc-by</subfield> <subfield code="2">opendefinition.org</subfield> </datafield> <datafield tag="520" ind1=" " ind2=" "> <subfield code="a"><p>Previous studies using Kepler data suggest that planets orbiting the same star tend to have similar sizes. However, due to the faintness of the stars, only a few of the planets were also detected with radial velocity follow-ups, and therefore the planetary masses were mostly unknown. It therefore yet to be determined whether planetary systems indeed behave as &quot;peas in a pod&quot;.&nbsp;<br> &nbsp;Follow-up programs of TESS targets significantly increased the number of confirmed planets with mass measurements, allowing for a more detailed statistical analysis of multi-planet systems. In this work we explore the similarity in radii, masses, densities, and period ratios of planets within planetary systems.&nbsp;<br> &nbsp;We &nbsp;show that planets in the same system that are similar in radii could be rather different in mass and vice versa. Nevertheless, planets are somewhat &nbsp;similar in mass up to masses of ~100Me and radii of ~10Re. We find that in general, the planetary radii of a given planetary system are more similar than the masses. &nbsp;We conclude that other quantities like the density may be crucial to fully understand the nature of planetary systems and that, due to the diversity of planets within a planetary system, increasing the number of detected systems is crucial for understanding the exoplanetary demographics.&nbsp;</p></subfield> </datafield> <datafield tag="773" ind1=" " ind2=" "> <subfield code="n">doi</subfield> <subfield code="i">isVersionOf</subfield> <subfield code="a">10.5281/zenodo.5561370</subfield> </datafield> <datafield tag="024" ind1=" " ind2=" "> <subfield code="a">10.5281/zenodo.5561371</subfield> <subfield code="2">doi</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">poster</subfield> </datafield> </record>
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