Wisniewski, JP, Berdyugin, AV, Berdyugina, SV et al. (14 more authors) (2022) UV spectropolarimetry with Polstar: protoplanetary disks. Astrophysics and Space Science, 367 (12). 122. ISSN 0004-640X
Abstract
Polstar is a proposed NASA MIDEX mission that carries a high resolution UV spectropolarimeter capable of measure all four Stokes parameters onboard a 60 cm telescope. The mission has been designed to pioneer the field of time-domain UV spectropolarimetry. Time domain UV spectropolarimetry offers the best resource to determine the geometry and physical conditions of protoplanetary disks from the stellar surface to <5 AU. We detail two key objectives that a dedicated time domain UV spectropolarimetry survey, such as that enabled by Polstar or a similar mission concept, could achieve: 1) Test the hypothesis that magneto-accretion operating in young planet-forming disks around lower-mass stars transitions to boundary layer accretion in planet-forming disks around higher mass stars; and 2) Discriminate whether transient events in the innermost regions of planet-forming disks of intermediate mass stars are caused by inner disk mis-alignments or from stellar or disk emissions.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © The Author(s), under exclusive licence to Springer Nature B.V. 2022. This is an author produced version of an article published in Astrophysics and Space Science. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | Ultraviolet astronomy (1736), Ultraviolet telescopes (1743), Space telescopes (1547), Spectropolarimetry(1973), Protoplanetary disks (1300), Circumstellar matter (241), Circumstellar disks (235), Exoplanet formation (492), Instruments: Polstar, NASA: MIDEX |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Physics and Astronomy (Leeds) > Astrophysics (Leeds) |
Funding Information: | Funder Grant number STFC (Science and Technology Facilities Council) ST/J003018/1 STFC (Science and Technology Facilities Council) ST/M002160/1 STFC (Science and Technology Facilities Council) ST/P005527/1 STFC (Science and Technology Facilities Council) ST/L000628/1 STFC (Science and Technology Facilities Council) ST/T000287/1 STFC (Science and Technology Facilities Council) ST/P00041X/1 |
Depositing User: | Symplectic Publications |
Date Deposited: | 13 Jan 2023 08:10 |
Last Modified: | 14 Dec 2023 01:13 |
Status: | Published |
Publisher: | Springer |
Identification Number: | 10.1007/s10509-022-04125-7 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:194940 |