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The Prevalence of Distant Giant Planets in the Presence of Close-In Small Planets
The Prevalence of Distant Giant Planets in the Presence of Close-In Small Planets
The Prevalence of Distant Giant Planets in the Presence of Close-In Small Planets

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202103157
ISBN  
9798314866399
DDC  
520
저자명  
Van Zandt, Judah Emmanuel.
서명/저자  
The Prevalence of Distant Giant Planets in the Presence of Close-In Small Planets
발행사항  
[Sl] : University of California, Los Angeles, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
235 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-11, Section: B.
주기사항  
Advisor: Petigura, Erik A.
학위논문주기  
Thesis (Ph.D.)--University of California, Los Angeles, 2025.
초록/해제  
요약One of the Solar System's most prominent characteristics is the division of its planets into two distinct groups. The terrestrial planets have short periods, low masses, and negligible atmospheres, while the gas and ice giants have wider separations and masses 1--2 orders of magnitude larger than their inner neighbors, the majority of which is stored in prodigious atmospheres surrounding small solid cores. This feature raises the question of whether our system's architecture is the result of chance, or if Nature has a tendency to produce planetary systems like ours. Until recently, an answer to this question was beyond reach, owing to the lack of available systems hosting both planet types. In this thesis, I investigate the occurrence rate of long-period giant planets in systems known to host an inner small planet. I used the TESS target pool to compile a high-purity sample of 47 Sun-like stars hosting transiting planets, which I then observed for three years to search for long-period giants. Along the way, I discovered three giant planets and developed a novel computational tool for analyzing partial orbits. I found that the occurrence rate of giant planets increases from 16% for typical Sun-like stars to 30% in systems with a close-in small planet, an enhancement factor of ∼ 2. This enhancement demonstrates that Solar System analogs are not rare, and that the processes which produced Earth may obtain elsewhere in the Universe.
일반주제명  
Astronomy
일반주제명  
Planetology
일반주제명  
Astrophysics
키워드  
Demographics
키워드  
Exoplanets
키워드  
Solar System
키워드  
Planetary systems
키워드  
Giant planets
기타저자  
University of California, Los Angeles Astronomy and Astrophysics 00EB
기본자료저록  
Dissertations Abstracts International. 86-11B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■1001  ▼aVan  Zandt,  Judah  Emmanuel.
■24510▼aThe  Prevalence  of  Distant  Giant  Planets  in  the  Presence  of  Close-In  Small  Planets
■260    ▼a[Sl]▼bUniversity  of  California,  Los  Angeles▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a235  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-11,  Section:  B.
■500    ▼aAdvisor:  Petigura,  Erik  A.
■5021  ▼aThesis  (Ph.D.)--University  of  California,  Los  Angeles,  2025.
■520    ▼aOne  of  the  Solar  System's  most  prominent  characteristics  is  the  division  of  its  planets  into  two  distinct  groups.  The  terrestrial  planets  have  short  periods,  low  masses,  and  negligible  atmospheres,  while  the  gas  and  ice  giants  have  wider  separations  and  masses  1--2  orders  of  magnitude  larger  than  their  inner  neighbors,  the  majority  of  which  is  stored  in  prodigious  atmospheres  surrounding  small  solid  cores.  This  feature  raises  the  question  of  whether  our  system's  architecture  is  the  result  of  chance,  or  if  Nature  has  a  tendency  to  produce  planetary  systems  like  ours.  Until  recently,  an  answer  to  this  question  was  beyond  reach,  owing  to  the  lack  of  available  systems  hosting  both  planet  types.  In  this  thesis,  I  investigate  the  occurrence  rate  of  long-period  giant  planets  in  systems  known  to  host  an  inner  small  planet.  I  used  the  TESS  target  pool  to  compile  a  high-purity  sample  of  47  Sun-like  stars  hosting  transiting  planets,  which  I  then  observed  for  three  years  to  search  for  long-period  giants.  Along  the  way,  I  discovered  three  giant  planets  and  developed  a  novel  computational  tool  for  analyzing  partial  orbits.  I  found  that  the  occurrence  rate  of  giant  planets  increases  from  16%  for  typical  Sun-like  stars  to  30%  in  systems  with  a  close-in  small  planet,  an  enhancement  factor  of  ∼  2.  This  enhancement  demonstrates  that  Solar  System  analogs  are  not  rare,  and  that  the  processes  which  produced  Earth  may  obtain  elsewhere  in  the  Universe.
■590    ▼aSchool  code:  0031.
■650  4▼aAstronomy
■650  4▼aPlanetology
■650  4▼aAstrophysics
■653    ▼aDemographics
■653    ▼aExoplanets
■653    ▼aSolar  System
■653    ▼aPlanetary  systems
■653    ▼aGiant  planets
■690    ▼a0606
■690    ▼a0590
■690    ▼a0596
■71020▼aUniversity  of  California,  Los  Angeles▼bAstronomy  and  Astrophysics  00EB.
■7730  ▼tDissertations  Abstracts  International▼g86-11B.
■790    ▼a0031
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17357261▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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