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Building a Radio Camera in Search of Exoplanet Magnetospheres
Building a Radio Camera in Search of Exoplanet Magnetospheres
Building a Radio Camera in Search of Exoplanet Magnetospheres

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20260202104757
ISBN  
9798290658629
DDC  
621
저자명  
Huang, Yuping.
서명/저자  
Building a Radio Camera in Search of Exoplanet Magnetospheres
발행사항  
[Sl] : California Institute of Technology, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
152 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-01, Section: B.
주기사항  
Advisor: Hallinan, Gregg.
학위논문주기  
Thesis (Ph.D.)--California Institute of Technology, 2024.
초록/해제  
요약Detections of exoplanetary magnetic field will add an important axis for understanding their properties. It is also important to place planets in the context of their stars, many of which exhibit different activity paradigms from that of the Sun. In this thesis, I attempt to characterize the energetic particle environment around young M dwarf using existing millimeter observations, and attempt to detect an exoplanetary magnetic field.The detection of exoplanetary magnetic field requires both exquisite sensitivity and long-term monitoring at low ( 100 MHz) radio frequencies. I dedicated significant effort to the expansion of the Owens Valley Radio Observatory Long Wavelength Array (OVRO-LWA), especially the complete redesign of the compute cluster. I set up the compute infrastructure and wrote the processing pipeline that made a search through 3 petabytes of data for the radio emission from \uD835\uDF0F Bootis b, covering multiple orbits of the planet, possible.The OVRO-LWA will ultimately transition to a radio camera paradigm, where the telescope operates continuously and produces images as its data product. The 2000-element Deep Synoptic Array (DSA-2000) will be the first true radio camera optimized for surveys. I validated key design requirements of the DSA-2000 through forward modeling, and prototyped the radio camera on the OVRO-LWA.
일반주제명  
Energy
일반주제명  
Spectrum allocation
일반주제명  
Bandwidths
일반주제명  
Observatories
일반주제명  
Magnetic fields
일반주제명  
Radiation
일반주제명  
Sun
일반주제명  
Antennas
기타저자  
California Institute of Technology Physics Mathematics and Astronomy
기본자료저록  
Dissertations Abstracts International. 87-01B.
전자적 위치 및 접속  
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■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a621
■1001  ▼aHuang,  Yuping.
■24510▼aBuilding  a  Radio  Camera  in  Search  of  Exoplanet  Magnetospheres
■260    ▼a[Sl]▼bCalifornia  Institute  of  Technology▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a152  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-01,  Section:  B.
■500    ▼aAdvisor:  Hallinan,  Gregg.
■5021  ▼aThesis  (Ph.D.)--California  Institute  of  Technology,  2024.
■520    ▼aDetections  of  exoplanetary  magnetic  field  will  add  an  important  axis  for  understanding  their  properties.  It  is  also  important  to  place  planets  in  the  context  of  their  stars,  many  of  which  exhibit  different  activity  paradigms  from  that  of  the  Sun.  In  this  thesis,  I  attempt  to  characterize  the  energetic  particle  environment  around  young  M  dwarf  using  existing  millimeter  observations,  and  attempt  to  detect  an  exoplanetary  magnetic  field.The  detection  of  exoplanetary  magnetic  field  requires  both  exquisite  sensitivity  and  long-term  monitoring  at  low  (  100  MHz)  radio  frequencies.  I  dedicated  significant  effort  to  the  expansion  of  the  Owens  Valley  Radio  Observatory  Long  Wavelength  Array  (OVRO-LWA),  especially  the  complete  redesign  of  the  compute  cluster.  I  set  up  the  compute  infrastructure  and  wrote  the  processing  pipeline  that  made  a  search  through  3  petabytes  of  data  for  the  radio  emission  from  \uD835\uDF0F  Bootis  b,  covering  multiple  orbits  of  the  planet,  possible.The  OVRO-LWA  will  ultimately  transition  to  a  radio  camera  paradigm,  where  the  telescope  operates  continuously  and  produces  images  as  its  data  product.  The  2000-element  Deep  Synoptic  Array  (DSA-2000)  will  be  the  first  true  radio  camera  optimized  for  surveys.  I  validated  key  design  requirements  of  the  DSA-2000  through  forward  modeling,  and  prototyped  the  radio  camera  on  the  OVRO-LWA.
■590    ▼aSchool  code:  0037.
■650  4▼aEnergy
■650  4▼aSpectrum  allocation
■650  4▼aBandwidths
■650  4▼aObservatories
■650  4▼aMagnetic  fields
■650  4▼aRadiation
■650  4▼aSun
■650  4▼aAntennas
■690    ▼a0791
■71020▼aCalifornia  Institute  of  Technology▼bPhysics,  Mathematics  and  Astronomy.
■7730  ▼tDissertations  Abstracts  International▼g87-01B.
■790    ▼a0037
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17358827▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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