The Physics of the Smallest Stars and the Planets That Orbit Them

最小恒星和绕它们运行的​​行星的物理学

基本信息

  • 批准号:
    1602597
  • 负责人:
  • 金额:
    $ 8.9万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Fellowship Award
  • 财政年份:
    2016
  • 资助国家:
    美国
  • 起止时间:
    2016-08-01 至 2018-12-31
  • 项目状态:
    已结题

项目摘要

Elisabeth Newton is awarded an NSF Astronomy and Astrophysics Postdoctoral Fellowship to carry out a program of research and education at the Massachusetts Institute of Technology. Newton will study M dwarf stars using data from the Kepler space telescope and new ground-based observations with the Infrared Telescope Facility (IRTF). An M dwarf star is the smallest, most common type of star in the Galaxy. A detailed understanding of M dwarfs is important in its own right, but also because they are perhaps the best places to discover Earth-like planets: the smaller size of the star enhances the signal from an orbiting planet. Equipped with this detailed understanding, Newton will investigate planetary systems around M dwarfs. She will also develop and teach an introductory astronomy course for the Boston University Prison Education Program (BUPEP), with the goal of increasing the mathematical skills, quantitative reasoning, and scientific literacy of inmates in preparation for life outside prison. Newton will undertake a multi-pronged observational study of M dwarfs, with a focus on evolutionary trends in stellar and planet populations. The program will consist of (1) using photometry from Kepler surveys to measure rotation periods for field M dwarfs and analyze their angular momentum evolution; and (2) a new, extensive campaign with the IRTF to study magnetic field strengths in cool dwarfs. Newton will target M dwarfs with measured rotation periods to investigate the relation between magnetism and rotation, and M and K dwarfs with measured radii to test whether magnetism can be responsible for the observed radius inflation. Finally, Newton will use information on the masses, metallicities, and ages of low-mass M dwarf planet-hosts to investigate the origins of multi-planet systems in compact orbits. As part of her education plan, Newton will develop and teach an introductory astronomy course, which will be the first science course offered to inmates through BUPEP, and which will serve as the foundation for a sustainable astronomy curriculum within the program.
伊丽莎白·牛顿被授予NSF天文学和天体物理学博士后奖学金,在马萨诸塞州理工学院开展研究和教育计划。牛顿将使用开普勒太空望远镜的数据和红外望远镜设施(IRTF)的新地面观测来研究M矮星。M矮星星星是银河系中最小、最常见的星星类型。对M矮星的详细了解本身就很重要,但也因为它们可能是发现类地行星的最佳地点:星星的较小尺寸增强了轨道行星的信号。有了这种详细的了解,牛顿将研究M矮星周围的行星系统。她还将为波士顿大学监狱教育计划(BUPEP)开发和教授天文学入门课程,目的是提高囚犯的数学技能,定量推理和科学素养,为监狱外的生活做准备。牛顿将对M矮星进行多管齐下的观测研究,重点是恒星和行星种群的进化趋势。该计划将包括(1)使用开普勒巡天的测光来测量场M矮星的旋转周期并分析它们的角动量演化;(2)与IRTF一起开展一项新的广泛活动,研究冷矮星的磁场强度。牛顿将以测量旋转周期的M矮星为目标,以研究磁性和旋转之间的关系,并以测量半径的M和K矮星为目标,以测试磁性是否可以对观察到的半径膨胀负责。最后,牛顿将使用低质量M矮行星宿主的质量,金属丰度和年龄的信息来研究紧凑轨道中多行星系统的起源。作为她教育计划的一部分,牛顿将开发和教授一门天文学入门课程,这将是通过BUPEP向囚犯提供的第一门科学课程,并将作为该计划内可持续天文学课程的基础。

项目成果

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Elisabeth Newton其他文献

A planet within the debris disk around the pre-main-sequence star AU Microscopii
围绕主序前恒星 AU Microscopii 的尘埃盘中的一颗行星
  • DOI:
    10.1038/s41586-020-2400-z
  • 发表时间:
    2020-06-24
  • 期刊:
  • 影响因子:
    48.500
  • 作者:
    Peter Plavchan;Thomas Barclay;Jonathan Gagné;Peter Gao;Bryson Cale;William Matzko;Diana Dragomir;Sam Quinn;Dax Feliz;Keivan Stassun;Ian J. M. Crossfield;David A. Berardo;David W. Latham;Ben Tieu;Guillem Anglada-Escudé;George Ricker;Roland Vanderspek;Sara Seager;Joshua N. Winn;Jon M. Jenkins;Stephen Rinehart;Akshata Krishnamurthy;Scott Dynes;John Doty;Fred Adams;Dennis A. Afanasev;Chas Beichman;Mike Bottom;Brendan P. Bowler;Carolyn Brinkworth;Carolyn J. Brown;Andrew Cancino;David R. Ciardi;Mark Clampin;Jake T. Clark;Karen Collins;Cassy Davison;Daniel Foreman-Mackey;Elise Furlan;Eric J. Gaidos;Claire Geneser;Frank Giddens;Emily Gilbert;Ryan Hall;Coel Hellier;Todd Henry;Jonathan Horner;Andrew W. Howard;Chelsea Huang;Joseph Huber;Stephen R. Kane;Matthew Kenworthy;John Kielkopf;David Kipping;Chris Klenke;Ethan Kruse;Natasha Latouf;Patrick Lowrance;Bertrand Mennesson;Matthew Mengel;Sean M. Mills;Tim Morton;Norio Narita;Elisabeth Newton;America Nishimoto;Jack Okumura;Enric Palle;Joshua Pepper;Elisa V. Quintana;Aki Roberge;Veronica Roccatagliata;Joshua E. Schlieder;Angelle Tanner;Johanna Teske;C. G. Tinney;Andrew Vanderburg;Kaspar von Braun;Bernie Walp;Jason Wang;Sharon Xuesong Wang;Denise Weigand;Russel White;Robert A. Wittenmyer;Duncan J. Wright;Allison Youngblood;Hui Zhang;Perri Zilberman
  • 通讯作者:
    Perri Zilberman

Elisabeth Newton的其他文献

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{{ truncateString('Elisabeth Newton', 18)}}的其他基金

Exploring the causes of exoplanetary atmospheric evaporation
探索系外行星大气蒸发的原因
  • 批准号:
    2008066
  • 财政年份:
    2020
  • 资助金额:
    $ 8.9万
  • 项目类别:
    Standard Grant

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