Search Results - "Pinsonneault, Marc H."

Refine Results
  1. 1

    Confirmation of the Gaia DR2 Parallax Zero-point Offset Using Asteroseismology and Spectroscopy in the Kepler Field by Zinn, Joel C., Pinsonneault, Marc H., Huber, Daniel, Stello, Dennis

    Published in The Astrophysical journal (20-06-2019)
    “…We present an independent confirmation of the zero-point offset of Gaia Data Release 2 parallaxes using asteroseismic data of evolved stars in the Kepler…”
    Get full text
    Journal Article
  2. 2

    The SPOTS Models: A Grid of Theoretical Stellar Evolution Tracks and Isochrones for Testing the Effects of Starspots on Structure and Colors by Somers, Garrett, Cao, Lyra, Pinsonneault, Marc H.

    Published in The Astrophysical journal (01-03-2020)
    “…One-dimensional stellar evolution models have been successful at representing the structure and evolution of stars in diverse astrophysical contexts, but…”
    Get full text
    Journal Article
  3. 3

    OLDER AND COLDER: THE IMPACT OF STARSPOTS ON PRE-MAIN-SEQUENCE STELLAR EVOLUTION by Somers, Garrett, Pinsonneault, Marc H.

    Published in The Astrophysical journal (10-07-2015)
    “…ABSTRACT We assess the impact of starspots on the evolution of late-type stars during the pre-main sequence (pre-MS) using a modified stellar evolution code…”
    Get full text
    Journal Article
  4. 4

    Rotation, inflation, and lithium in the Pleiades by Somers, Garrett, Pinsonneault, Marc H.

    “…The rapidly rotating cool dwarfs of the Pleiades are rich in lithium relative to their slowly rotating counterparts. Motivated by observations of inflated…”
    Get full text
    Journal Article
  5. 5

    Forward Modeling of the Kepler Stellar Rotation Period Distribution: Interpreting Periods from Mixed and Biased Stellar Populations by van Saders, Jennifer L., Pinsonneault, Marc H., Barbieri, Mauro

    Published in The Astrophysical journal (20-02-2019)
    “…Stellar surface rotation carries information about stellar parameters-particularly ages-and thus the large rotational data sets extracted from Kepler time…”
    Get full text
    Journal Article
  6. 6

    A TALE OF TWO ANOMALIES: DEPLETION, DISPERSION, AND THE CONNECTION BETWEEN THE STELLAR LITHIUM SPREAD AND INFLATED RADII ON THE PRE-MAIN SEQUENCE by Somers, Garrett, Pinsonneault, Marc H

    Published in The Astrophysical journal (20-07-2014)
    “…We investigate lithium depletion in standard stellar models (SSMs) and main sequence (MS) open clusters, and explore the origin of the Li dispersion in young,…”
    Get full text
    Journal Article
  7. 7

    HOW GOOD A CLOCK IS ROTATION? THE STELLAR ROTATION-MASS-AGE RELATIONSHIP FOR OLD FIELD STARS by Epstein, Courtney R, Pinsonneault, Marc H

    Published in The Astrophysical journal (10-01-2014)
    “…The rotation-mass-age relationship offers a promising avenue for measuring the ages of field stars, assuming the attendant uncertainties to this technique can…”
    Get full text
    Journal Article
  8. 8

    SPECTROSCOPIC DETERMINATION OF MASSES (AND IMPLIED AGES) FOR RED GIANTS by Ness, M., Hogg, David W., Rix, H.-W., Martig, M., Pinsonneault, Marc H., Ho, A. Y. Q.

    Published in The Astrophysical journal (01-06-2016)
    “…ABSTRACT The mass of a star is arguably its most fundamental parameter. For red giant stars, tracers luminous enough to be observed across the Galaxy, mass…”
    Get full text
    Journal Article
  9. 9

    Weakened magnetic braking as the origin of anomalously rapid rotation in old field stars by van Saders, Jennifer L., Ceillier, Tugdual, Metcalfe, Travis S., Aguirre, Victor Silva, Pinsonneault, Marc H., García, Rafael A., Mathur, Savita, Davies, Guy R.

    Published in Nature (London) (14-01-2016)
    “…The age of a young to middle-aged star can be determined from how quickly or slowly it rotates, but the relationship breaks down for old stars; models now show…”
    Get full text
    Journal Article
  10. 10

    ON LITHIUM-RICH RED GIANTS. I. ENGULFMENT OF SUBSTELLAR COMPANIONS by Aguilera-Gómez, Claudia, Chanamé, Julio, Pinsonneault, Marc H., Carlberg, Joleen K.

    Published in The Astrophysical journal (01-10-2016)
    “…ABSTRACT A small fraction of red giants are known to be lithium (Li) rich, in contradiction with expectations from stellar evolutionary theory. A possible…”
    Get full text
    Journal Article
  11. 11

    Testing Angular Momentum Transport and Wind Loss in Intermediate-mass Core-helium Burning Stars by Tayar, Jamie, Pinsonneault, Marc H.

    Published in The Astrophysical journal (01-12-2018)
    “…Stars between 2 and 3 M☉ rotate rapidly on the main sequence, and their rotation rates in the core-helium burning (secondary-clump) phase can therefore be used…”
    Get full text
    Journal Article
  12. 12

    Core-envelope Decoupling Drives Radial Shear Dynamos in Cool Stars by Cao, Lyra, Pinsonneault, Marc H., van Saders, Jennifer L.

    Published in Astrophysical journal. Letters (01-07-2023)
    “…Abstract Differential rotation is thought to be responsible for the dynamo process in stars like our Sun, driving magnetic activity and starspots. We report…”
    Get full text
    Journal Article
  13. 13

    TESS Stellar Rotation up to 80 Days in the Southern Continuous Viewing Zone by Claytor, Zachary R., van Saders, Jennifer L., Cao, Lyra, Pinsonneault, Marc H., Teske, Johanna, Beaton, Rachael L.

    Published in The Astrophysical journal (01-02-2024)
    “…Abstract The Transiting Exoplanet Survey Satellite (TESS) mission delivers time-series photometry for millions of stars across the sky, offering a probe into…”
    Get full text
    Journal Article
  14. 14
  15. 15

    The Origin of Weakened Magnetic Braking in Old Solar Analogs by Metcalfe, Travis S., Finley, Adam J., Kochukhov, Oleg, See, Victor, Ayres, Thomas R., Stassun, Keivan G., van Saders, Jennifer L., Clark, Catherine A., Godoy-Rivera, Diego, Ilyin, Ilya V., Pinsonneault, Marc H., Strassmeier, Klaus G., Petit, Pascal

    Published in Astrophysical journal. Letters (01-07-2022)
    “…Abstract The rotation rates of main-sequence stars slow over time as they gradually lose angular momentum to their magnetized stellar winds. The rate of…”
    Get full text
    Journal Article
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20

    Galactic Globular and Open Clusters in the Sloan Digital Sky Survey. II. Test of Theoretical Stellar Isochrones by An, Deokkeun, Pinsonneault, Marc H, Masseron, Thomas, Delahaye, Franck, Johnson, Jennifer A, Terndrup, Donald M, Beers, Timothy C, Ivans, Inese I, Ivezić, Željko

    Published in The Astrophysical journal (20-07-2009)
    “…We perform an extensive test of theoretical stellar models for main-sequence (MS) stars in ugriz, using cluster fiducial sequences obtained in the previous…”
    Get full text
    Journal Article