Magnetic OB[A] Stars with TESS: probing their Evolutionary and Rotational properties (MOBSTER) - I. First-light observations of known magnetic B and A stars
arXiv:1904.11539 · doi:10.1093/mnras/stz1181
Abstract
In this paper we introduce the MOBSTER collaboration and lay out its scientific goals. We present first results based on the analysis of nineteen previously known magnetic O, B and A stars observed in 2-minute cadence in sectors 1 and 2 of the Transiting Exoplanet Survey Satellite (TESS) mission. We derive precise rotational periods from the newly obtained light curves and compare them to previously published values. We also discuss the overall photometric phenomenology of the known magnetic massive and intermediate-mass stars and propose an observational strategy to augment this population by taking advantage of the high-quality observations produced by TESS.
arXiv comment15 pages, 3 figures, accepted for publication by MNRAS (2019 April 22)
References in corpus (67)
- The Transiting Exoplanet Survey Satellite
- The SIMBAD astronomical database
- The TESS Input Catalog and Candidate Target List
- Magnetic fields of non-degenerate stars
- Dynamical Simulations of Magnetically Channeled Line-Driven Stellar Winds: I. Isothermal, Nonrotating, Radially Driven Flow
- The VAST Survey - III. The multiplicity of A-type stars within 75 pc
- A Magnetic Confinement vs. Rotation Classification of Massive-Star Magnetospheres
- Dynamical Simulations of Magnetically Channeled Line-Driven Stellar Winds: III. Angular Momentum Loss and Rotational Spindown
- The MiMeS survey of magnetism in massive stars: Magnetic analysis of the O-type stars
- Chandra HETGS Multi-Phase Spectroscopy of the Young Magnetic O Star theta^1 Orionis C
- Evolutionary state of magnetic chemically peculiar stars
- Random forest automated supervised classification of Hipparcos periodic variable stars
- Searching for links between magnetic fields and stellar evolution. II. The evolution of magnetic fields as revealed by observations of Ap stars in open clusters and associations
- Magnetic field measurements and their uncertainties: the FORS1 legacy
- Searching for links between magnetic fields and stellar evolution. I. A survey of magnetic fields in open cluster A- and B-type stars with FORS1
- Evidence for nonlinear resonant mode coupling in the Beta Cep star HD 180642 (V1449 Aql) from CoRoT space-based photometry
- Ap stars with resolved magnetically split lines: Magnetic field determinations from Stokes and spectra
- New measurements of rotation and differential rotation in A-F stars: Are there two populations of differentially rotating stars?
- X-ray emission from magnetic massive stars
- Measurements of magnetic fields over the pulsation cycle in six roAp stars with FORS1 at the VLT
- Open Clusters as Galactic Disk Tracers: I. Project Motivation, Cluster Membership and Bulk Three-Dimensional Kinematics
- New measurements of magnetic fields of roAp stars with FORS1 at the VLT
- Diverse Variability of O and B Stars Revealed from 2-minute Cadence Light Curves in Sectors 1 and 2 of the TESS Mission: Selection of an Asteroseismic Sample
- Forward seismic modelling of the pulsating magnetic B-type star HD 43317
- Multisite spectroscopic seismic study of the beta Cep star V2052 Oph: inhibition of mixing by its magnetic field
- Proper-motion binaries in the Hipparcos Catalogue. Comparison with radial velocity data
- Towards an understanding of the Of?p star HD 191612: optical spectroscopy
- Confirmation of the magnetic oblique rotator model for the Of?p star HD 191612
- A Volume-Limited Survey of mCP Stars Within 100pc I: Fundamental Parameters and Chemical Abundances
- The FORS1 catalogue of stellar magnetic field measurements
- Basic parameters and properties of the rapidly rotating magnetic helium strong B star HR7355
- Pulsation tomography of rapidly oscillating Ap stars. Resolving the third dimension in peculiar pulsating stellar atmospheres
- Investigating the spectroscopic, magnetic and circumstellar variability of the O9 subgiant star HD 57682
- Rotational modulation in TESS B stars
- An `Analytic Dynamical Magnetosphere' formalism for X-ray and optical emission from slowly rotating magnetic massive stars
- XMM-Newton observations of the sigma Ori cluster. I. The complex RGS spectrum of the hot star sigma Ori AB
- Evolution of magnetic fields in stars across the upper main sequence: I. Catalogue of magnetic field measurements with FORS1 at the VLT
- K2 space photometry reveals rotational modulation and stellar pulsations in chemically peculiar A and B stars
- MOST Observations of sigma Ori E: Challenging the Centrifugal Breakout Narrative
- A search for photometric variability in magnetic chemically peculiar stars using ASAS-3 data
- Exploring the photometric signatures of magnetospheres around Helium-strong stars
- On the consistency of magnetic field measurements of Ap stars: lessons learned from the FORS1 archive
- Modelling element distributions in the atmospheres of magnetic Ap stars
- Stellar model atmospheres with magnetic line blanketing
- Phase-resolved ultraviolet spectroscopy of the magnetic Of?p star HD 191612
- The surface magnetic field and chemical abundance distributions of the B2V helium-strong star HD184927
- A combined multiwavelength VLA/ALMA/Chandra study unveils the complex magnetosphere of the B-type star HR5907
- The Discovery of a Strong Magnetic Field and Co-rotating Magnetosphere in the Helium-weak Star HD 176582
- First detections of 610 MHz radio emission from hot magnetic stars
- Magnetic field topology and chemical spot distributions in the extreme Ap star HD 75049
- The magnetic characteristics of Galactic OB stars from the MiMeS survey of magnetism in massive stars
- Suppressed phase variations in a high amplitude rapidly oscillating Ap star pulsating in a distorted quadrupole mode
- Detection of magnetic fields in chemically peculiar stars observed with the K2 space mission
- A JVLA survey of the high frequency radio emission of the massive magnetic B- and O-type stars
- An infrared diagnostic for magnetism in hot stars
- HST/STIS spectroscopy of the magnetic Of?p star HD 108: the low state at ultraviolet wavelengths
- Assessment of evolutionary status of eclipsing binaries using light-curve parameters and spectral classification
- Magnetic stars from a FEROS cool Ap star survey
- Short time-scale frequency and amplitude variations in the pulsations of an roAp star: HD 217522
- Multiplicity of rapidly oscillating Ap stars
- The complex magnetic field topology of the cool Ap star 49 Cam
- Photometric identification of the periods of the first candidate extragalactic magnetic massive stars
- The origin of magnetic fields in hot stars
- Variability of the HeI5876 A line in early type chemically peculiar stars
- Dynamical detection of three triple stellar systems in open clusters
- Identification of pulsational modes in rotating slowly pulsating B-type stars
- A photometric long-term study of CP stars in open clusters
Cited by in corpus (34)
- Variability of OB stars from TESS southern Sectors 1-13 and high-resolution IACOB and OWN spectroscopy
- MOBSTER -- VI. The crucial influence of rotation on the radio magnetospheres of hot stars
- MOBSTER - II. Identification of rotationally variable A stars observed with \emph{TESS} in Sectors 1 to 4
- X-Shooting ULLYSES: massive stars at low metallicity. I. Project Description
- Rotation and pulsation in Ap stars: first light results from TESS sectors 1 and 2
- Period spacings of gravity modes in rapidly rotating magnetic stars II. The case of an oblique dipolar fossil magnetic field
- New and improved rotational periods of magnetic CP stars from ASAS-3, KELT and MASCARA data
- TESS Cycle 1 observations of roAp stars with 2-min cadence data
- Confronting sparse Gaia DR3 photometry with TESS for a sample of around 60,000 OBAF-type pulsators
- The effects of surface fossil magnetic fields on massive star evolution: IV. Grids of models at Solar, LMC, and SMC metallicities
- Rotating Convective Core Excites Non-Radial Pulsations to Cause Rotational Modulations in Early-Type Stars
- Long period Ap stars discovered with TESS data
- Magnetism in High-Mass Stars
- MOBSTER -- III. HD 62658: a magnetic Bp star in an eclipsing binary with a non-magnetic 'identical twin'
- Photometric variability of the LAMOST sample of magnetic chemically peculiar stars as seen by TESS
- A spectroscopic test of the rotational modulation origin of periodic \emph{Kepler} photometric variability of A-type stars
- Tidally perturbed g-mode pulsations in a sample of close eclipsing binaries
- MOBSTER -- V: Discovery of a magnetic companion star to the magnetic Cep pulsator HD 156424
- Periodic stellar variability from almost a million NGTS light curves
- Rotation signature of TESS B-type stars. A comprehensive analysis
- MOBSTER -- IV. Detection of a new magnetic B-type star from follow-up spectropolarimetric observations of photometrically selected candidates
- Simulations of the line-driven instability in magnetic hot star winds
- New magnetic chemically peculiar stars and candidates in the ATLAS First Catalog of Variable Stars
- Magnetic Fields of New CP Stars Discovered with Kepler Mission Data
- Rotational and pulsational variability in the TESS light curve of HD27463
- Ultraviolet Spectropolarimetric Diagnostics of Hot Star Magnetospheres
- Could the Magnetic Star HD 135348 Possess a Rigidly Rotating Magnetosphere?
- Discovery and Characterization of a Rare Magnetic Hybrid Cephei Slowly Pulsating B-type Star in an Eclipsing Binary in the Young Open Cluster NGC 6193
- Magnetic Fields or Overstable Convective Modes in HR 7495: Exploring the Underlying Causes of the Spike in the 'Hump & Spike' Features
- MOBSTER -- VII. Using light curves to infer magnetic and rotational properties of stars with centrifugal magnetospheres
- Chronos --- Taking the pulse of our Galactic neighbourhood (ESA Voyage 2050 White Paper)
- Spectropolarimetry of Magnetic Chemically Peculiar Stars in the Orion OB1 Association
- Adaptive elliptical aperture photometry: a software package for high-cadence ground-based photometry. I. Application to rapid oscillators observed from SAAO
- Determining the incidence rate of magnetic Scuti candidates with CoRoT