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Highly structured inner planetary system debris around the intermediate age sun-like star TYC 8830 410 1
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Melis, Carl, Olofsson, Johan, Song, Inseok, Sarkis, Paula, Weinberger, Alycia J., Highly Structured Inner Planetary System Debris around the Inter, Grant M. and Krumpe, Mirko (2021) Highly structured inner planetary system debris around the intermediate age sun-like star TYC 8830 410 1. The Astrophysical Journal, 923 (1). 90. doi:10.3847/1538-4357/ac2603 ISSN 1538-4357.
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WRAP-Highly-structured-inner-planetary-debris-intermediate-age-sun-like-star-TYC-8830-410-1-2022.pdf - Accepted Version Embargoed item. Restricted access to Repository staff only until 14 December 2023. Contact author directly, specifying your specific needs. - Requires a PDF viewer. Download (6Mb) |
Official URL: https://doi.org/10.3847/1538-4357/ac2603
Abstract
We present a detailed characterization of the extremely dusty main-sequence star TYC 8830 410 1. This system hosts inner planetary system dust (T dust ≈ 300 K) with a fractional infrared luminosity of ∼1%. Mid-infrared spectroscopy reveals a strong, mildly crystalline solid-state emission feature. TYC 8830 410 1 (spectral type G9 V) has a 49.5″ separation M4-type companion comoving and co-distant with it, and we estimate a system age of ∼600 Myr. TYC 8830 410 1 also experiences “dipper”-like dimming events as detected by the All-Sky Automated Survey for Supernovae, Transiting Exoplanet Survey Satellite, and characterized in more detail with the Las Cumbres Observatory Global Telescope. These recurring eclipses suggest at least one roughly star-sized cloud of dust orbits the star in addition to assorted smaller dust structures. The extreme properties of the material orbiting TYC 8830 410 1 point to dramatic dust-production mechanisms that likely included something similar to the giant impact event thought to have formed the Earth–Moon system, although hundreds of millions of years after such processes are thought to have concluded in the solar system. TYC 8830 410 1 holds promise to deliver significant advances in our understanding of the origin, structure, and evolution of extremely dusty inner planetary systems.
| Item Type: | Journal Article | ||||||||||||||||||||||||
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| Subjects: | Q Science > QB Astronomy | ||||||||||||||||||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||||||||||||||
| SWORD Depositor: | Library Publications Router | ||||||||||||||||||||||||
| Library of Congress Subject Headings (LCSH): | Disks (Astrophysics), Circumstellar matter, Extrasolar planets, Planetary science, Stars -- Evolution, Variable stars | ||||||||||||||||||||||||
| Journal or Publication Title: | The Astrophysical Journal | ||||||||||||||||||||||||
| Publisher: | American Astronomical Society | ||||||||||||||||||||||||
| ISSN: | 1538-4357 | ||||||||||||||||||||||||
| Official Date: | 14 December 2021 | ||||||||||||||||||||||||
| Dates: |
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| Volume: | 923 | ||||||||||||||||||||||||
| Number: | 1 | ||||||||||||||||||||||||
| Article Number: | 90 | ||||||||||||||||||||||||
| DOI: | 10.3847/1538-4357/ac2603 | ||||||||||||||||||||||||
| Status: | Peer Reviewed | ||||||||||||||||||||||||
| Publication Status: | Published | ||||||||||||||||||||||||
| Reuse Statement (publisher, data, author rights): | "This is an author-created, un-copyedited version of an article accepted for The Astrophysical Journal. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.3847/1538-4357/ac2603 | ||||||||||||||||||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||||||||||||||
| Date of first compliant deposit: | 17 March 2022 | ||||||||||||||||||||||||
| Date of first compliant Open Access: | 17 March 2022 | ||||||||||||||||||||||||
| RIOXX Funder/Project Grant: |
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