Ultraviolet Spectropolarimetry With Polstar: Using Polstar to test Magnetospheric Mass-loss Quenching

Abstract

Polstar is a proposed NASA MIDEX space telescope that will provide high-resolution, simultaneous full-Stokes spectropolarimetry in the far ultraviolet, together with low-resolution linear polarimetry in the near ultraviolet. This observatory offers unprecedented capabilities to obtain unique information on the magnetic and plasma properties of the magnetospheres of hot stars. We describe an observing program making use of the known population of magnetic hot stars to test the fundamental hypothesis that magnetospheres should act to rapidly drain angular momentum, thereby spinning the star down, whilst simultaneously reducing the net mass-loss rate. Both effects are expected to lead to dramatic differences in the evolution of magnetic vs. non-magnetic stars.

arXiv comment20 pages, 10 figures, accepted for publication in ApSS. arXiv admin note: substantial text overlap with arXiv:2111.06434

References in corpus (52)

• Observation of Gravitational Waves from a Binary Black Hole Merger
• Mass-loss predictions for O and B stars as a function of metallicity
• A Grid of NLTE Line-Blanketed Model Atmospheres of O-type Stars
• A Grid of NLTE Line-Blanketed Model Atmospheres of Early B-type Stars
• The surprising magnetic topology of tauSco: fossil remnant or dynamo output?
• Dynamical Simulations of Magnetically Channeled Line-Driven Stellar Winds: I. Isothermal, Nonrotating, Radially Driven Flow
• 3D maps of the local ISM from inversion of individual color excess measurements
• How mergers magnetise massive stars
• A Magnetic Confinement vs. Rotation Classification of Massive-Star Magnetospheres
• Three-dimensional mapping of the local interstellar medium with composite data
• Dynamical Simulations of Magnetically Channeled Line-Driven Stellar Winds: II. The Effects of Field-Aligned Rotation
• Dynamical Simulations of Magnetically Channeled Line-Driven Stellar Winds: III. Angular Momentum Loss and Rotational Spindown
• The MiMeS Survey of Magnetism in Massive Stars: Introduction and overview
• The MiMeS survey of magnetism in massive stars: Magnetic analysis of the O-type stars
• Magnetic massive stars as progenitors of "heavy" stellar-mass black holes
• The Magnetic Early B-type Stars III: A main sequence magnetic, rotational, and magnetospheric biography
• The Magnetic Early B-type Stars I: Magnetometry and Rotation
• A Volume Limited Survey of mCP Stars Within 100pc II: Rotational and Magnetic Properties
• B fields in OB stars (BOB): Concluding the FORS2 observing campaign
• The effects of surface fossil magnetic fields on massive star evolution: I. Magnetic field evolution, mass-loss quenching and magnetic braking
• Discovery of a magnetic field in the rapidly-rotating O-type secondary of the colliding-wind binary HD 47129 (Plaskett's star)
• Modeling of Magneto-Rotational Stellar Evolution I. Method and first applications
• MOBSTER -- VI. The crucial influence of rotation on the radio magnetospheres of hot stars
• An `Analytic Dynamical Magnetosphere' formalism for X-ray and optical emission from slowly rotating magnetic massive stars
• The effects of surface fossil magnetic fields on massive star evolution: II. Implementation of magnetic braking in MESA and implications for the evolution of surface rotation in OB stars
• The Magnetic Early B-type Stars IV: Breakout or Leakage? H$\alpha$ emission as a diagnostic of plasma transport in centrifugal magnetospheres
• A scaling relationship for non-thermal radio emission from ordered magnetospheres: from the top of the Main Sequence to planets
• Magnetic field topologies of the bright, weak-field Ap stars theta Aurigae and epsilon Ursae Majoris
• Magnetic field measurements and wind-line variability of OB-type stars
• How the breakout-limited mass in B-star centrifugal magnetospheres controls their circumstellar H-alpha emission
• Centrifugal breakout reconnection as the electron acceleration mechanism powering the radio magnetospheres of early-type stars
• Discovery of the magnetic field in the pulsating B star beta Cephei
• Wind Circulation in Selected Rotating Magnetic Early-B Stars
• Magnetic field topology of tau Sco. The uniqueness problem of Stokes V ZDI inversions
• The pulsating magnetosphere of the extremely slowly rotating magnetic $\beta$ Cep star ${\xi }^1$ CMa
• The effects of surface fossil magnetic fields on massive star evolution: III. The case of $\tau$ Sco
• Confirming the oblique rotator model for the extremely slowly rotating O8f?p star HD 108
• Discovery of the first tau Sco analogues: HD 66665 and HD 63425
• Searching for CU Vir-type cyclotron maser from σOri E: The role of the magnetic quadrupole component
• Ultraviolet Spectropolarimetry: on the origin of rapidly rotating B stars
• The Polstar High Resolution Spectropolarimetry MIDEX Mission
• Polarimetric observations of $\sigma$ Orionis E
• Ultraviolet Line Profiles of Slowly Rotating Massive Star Winds Using the "Analytic Dynamical Magnetosphere" Formalism
• Fundamental properties of a selected sample of Ap stars: Inferences from interferometric and asteroseismic constraints
• The magnetic field and magnetosphere of Plaskett's star: A fundamental shift in our understanding of the system
• Ultraviolet Spectropolarimetry:Conservative and Nonconservative Mass Transfer in OB Interacting Binaries
• Ultraviolet Spectropolarimetry with Polstar: Interstellar Medium Science
• Ultraviolet Spectropolarimetric Diagnostics of Hot Star Magnetospheres
• UV Spectropolarimetry with Polstar: Massive Star Binary Colliding Winds
• Ultraviolet Spectropolarimetry: Investigating stellar magnetic field diagnostics
• News from Gaia on sigma Ori E: a case study for the wind magnetic braking process
• UV Spectropolarimetry with Polstar: Protoplanetary Disks

Cited by in corpus (6)

• Magnetism in High-Mass Stars
• The Polstar High Resolution Spectropolarimetry MIDEX Mission
• Ultraviolet Spectropolarimetry with Polstar: Interstellar Medium Science
• Ultraviolet Spectropolarimetry: Investigating stellar magnetic field diagnostics
• UV Spectropolarimetry with Polstar: Protoplanetary Disks
• Ultraviolet Spectropolarimetry with Polstar: Clumping and Mass-loss Rate Corrections