系外彗星的起源和储存库。

IF 7.4 2区 物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS
Space Science Reviews Pub Date : 2025-01-01 Epub Date: 2025-09-29 DOI:10.1007/s11214-025-01219-w
Michele Bannister, Susanne Pfalzner, Tim Pearce, Alexander J Mustill, Hubert Klahr, Hideko Nomura, Nagayoshi Ohashi, Rosita Kokotanekova, Sebastian Marino, Dennis Bodewits, Raphael Marschall, Darryl Z Seligman, Geraint H Jones, Dimitri Veras
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引用次数: 0

摘要

小天体在它们的行星系统中以不同的种群存在。这些储层群具有一系列的成分,这些成分首先取决于相对于它们的恒星的形成位置。我们提供了源外彗星的储存库的性质的总体概述,从恒星环境的影响,通过星子的形成,与太阳系人口的比较。一旦从一个年轻的原行星盘过渡到一个碎片盘,一颗恒星可能会与外彗星下雨。虽然迄今为止,系外彗星主要是在a型恒星上发现的,但根据系外行星的丰度、碎片盘的出现和白矮星的坠落,行星子似乎存在于一系列恒星质量范围内。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Origins & Reservoirs of Exocomets.

Small bodies exist in distinct populations within their planetary systems. These reservoir populations hold a range of compositions, which to first order are dependent on formation location relative to their star. We provide a general overview of the nature of the reservoirs that source exocomets, from the influence of the stellar environment through planetesimal formation to comparisons with Solar System populations. Once transitioned from a young protoplanetary disc to a debris disc, a star can expect to be rained with exocomets. While exocomets are predominantly detected to date at A-type stars, planetesimals plausibly exist across a range of stellar masses, based on exoplanet abundance, debris disc occurrence and white dwarf infall.

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来源期刊
Space Science Reviews
Space Science Reviews 地学天文-天文与天体物理
CiteScore
19.70
自引率
3.90%
发文量
60
审稿时长
4-8 weeks
期刊介绍: Space Science Reviews (SSRv) stands as an international journal dedicated to scientific space research, offering a contemporary synthesis across various branches of space exploration. Emphasizing scientific outcomes and instruments, SSRv spans astrophysics, physics of planetary systems, solar physics, and the physics of magnetospheres & interplanetary matter. Beyond Topical Collections and invited Review Articles, Space Science Reviews welcomes unsolicited Review Articles and Special Communications. The latter encompass papers related to a prior topical volume/collection, report-type papers, or timely contributions addressing a robust combination of space science and technology. These papers succinctly summarize both the science and technology aspects of instruments or missions in a single publication.
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