Search Results - "Gagné, Jonathan"

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  1. 1

    BANYAN. XIII. A First Look at Nearby Young Associations with Gaia Data Release 2 by Gagné, Jonathan, Faherty, Jacqueline K.

    Published in The Astrophysical journal (01-08-2018)
    “…In this paper, we examine the nearest 100 pc entries in Data Release 2 of Gaia to identify previously unrecognized candidate members in young associations. We…”
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  2. 2

    Addressing Systematics in the Traceback Age of the β Pictoris Moving Group by Couture, Dominic, Gagné, Jonathan, Doyon, René

    Published in The Astrophysical journal (01-03-2023)
    “…Abstract We characterize the impact of several sources of systematic errors on the computation of the traceback age of the β Pictoris moving group ( β PMG). We…”
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  3. 3

    BANYAN. II. VERY LOW MASS AND SUBSTELLAR CANDIDATE MEMBERS TO NEARBY, YOUNG KINEMATIC GROUPS WITH PREVIOUSLY KNOWN SIGNS OF YOUTH by Gagne, Jonathan, Lafreniere, David, Doyon, Rene, Malo, Lison, ARTIGAU, ETIENNE

    Published in The Astrophysical journal (10-03-2014)
    “…We present Bayesian Analysis for Nearby Young AssociatioNs II (BANYAN II), a modified Bayesian analysis for assessing the membership of later-than-M5 objects…”
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  4. 4

    BANYAN. XII. New Members of Nearby Young Associations from GAIA-Tycho Data by Gagné, Jonathan, Roy-Loubier, Olivier, Faherty, Jacqueline K., Doyon, René, Malo, Lison

    Published in The Astrophysical journal (10-06-2018)
    “…We present a search for stellar members of young associations within 150 pc of the Sun, based on TGAS and an updated version of the BANYAN software to…”
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  5. 5

    Volans-Carina: A New 90 Myr Old Stellar Association at 85 pc by Gagné, Jonathan, Faherty, Jacqueline K., Mamajek, Eric E.

    Published in The Astrophysical journal (01-10-2018)
    “…We present a characterization of the new Volans-Carina Association (VCA) of stars near the Galactic plane (b −10°) at a distance of 75-100 pc, previously…”
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  6. 6

    BANYAN. XI. The BANYAN Σ Multivariate Bayesian Algorithm to Identify Members of Young Associations with 150 pc by Gagné, Jonathan, Mamajek, Eric E., Malo, Lison, Riedel, Adric, Rodriguez, David, Lafrenière, David, Faherty, Jacqueline K., Roy-Loubier, Olivier, Pueyo, Laurent, Robin, Annie C., Doyon, René

    Published in The Astrophysical journal (20-03-2018)
    “…Abstract BANYAN Σ is a new Bayesian algorithm to identify members of young stellar associations within 150 pc of the Sun. It includes 27 young associations…”
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  7. 7

    New Coronae and Stellar Associations Revealed by a Clustering Analysis of the Solar Neighborhood by Moranta, Leslie, Gagné, Jonathan, Couture, Dominic, Faherty, Jacqueline K.

    Published in The Astrophysical journal (01-11-2022)
    “…Abstract We present the results of a density-based clustering analysis of the 6D XYZ Galactic positions and UVW -space velocities of nearby (≤200 pc) Gaia…”
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  8. 8

    BAYESIAN ANALYSIS TO IDENTIFY NEW STAR CANDIDATES IN NEARBY YOUNG STELLAR KINEMATIC GROUPS by Malo, Lison, Doyon, Rene, Lafreniere, David, ARTIGAU, ETIENNE, Gagne, Jonathan, Baron, Frederique, RIEDEL, ADRIG

    Published in The Astrophysical journal (10-01-2013)
    “…We present a new method based on a Bayesian analysis to identify new members of nearby young kinematic groups. We use this method to find new young low-mass…”
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  9. 9

    New and Known Moving Groups and Clusters Identified in a Gaia Comoving Catalog by Faherty, Jacqueline K, Bochanski, John J., Gagné, Jonathan, Nelson, Olivia, Coker, Kristina, Smithka, Iliya, Desir, Deion, Vasquez, Chelsea

    Published in The Astrophysical journal (10-08-2018)
    “…We present a reorganization of the Oh et al. wide, comoving catalog of 4555 groups of stars (10,606 individual objects) identified in the Tycho Gaia…”
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  10. 10

    BANYAN. V. A SYSTEMATIC ALL-SKY SURVEY FOR NEW VERY LATE-TYPE LOW-MASS STARS AND BROWN DWARFS IN NEARBY YOUNG MOVING GROUPS by Gagne, Jonathan, Lafreniere, David, Doyon, Rene, Malo, Lison, Artigau, Etienne

    Published in The Astrophysical journal (10-01-2015)
    “…We present the BANYAN All-Sky Survey (BASS) catalog, consisting of 228 new late-type (M4-L6) candidate members of nearby young moving groups (YMGs) with an…”
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  11. 11

    Evolution of Flare Activity in GKM Stars Younger Than 300 Myr over Five Years of TESS Observations by Feinstein, Adina D., Seligman, Darryl Z., France, Kevin, Gagné, Jonathan, Kowalski, Adam

    Published in The Astronomical journal (01-08-2024)
    “…Abstract Stellar flares are short-duration (< hours) bursts of radiation associated with surface magnetic reconnection events. Stellar magnetic activity…”
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  12. 12

    Let the Great World Spin: Revealing the Stormy, Turbulent Nature of Young Giant Exoplanet Analogs with the Spitzer Space Telescope by Vos, Johanna M., Faherty, Jacqueline K., Gagné, Jonathan, Marley, Mark, Metchev, Stanimir, Gizis, John, Rice, Emily L., Cruz, Kelle

    Published in The Astrophysical journal (01-01-2022)
    “…Abstract We present a survey for photometric variability in young, low-mass brown dwarfs with the Spitzer Space Telescope. The 23 objects in our sample show…”
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  13. 13

    Evaluating Rotation Periods of M Dwarfs across the Ages by Popinchalk, Mark, Faherty, Jacqueline K., Kiman, Rocio, Gagné, Jonathan, Curtis, Jason L., Angus, Ruth, Cruz, Kelle L., Rice, Emily L.

    Published in The Astrophysical journal (01-08-2021)
    “…Abstract In this work we examine M dwarf rotation rates at a range of ages to establish benchmarks for M dwarf gyrochronology. This work includes a sample of…”
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  14. 14

    The Oceanus Moving Group: A New 500 Myr Old Host for the Nearest Brown Dwarf by Gagné, Jonathan, Moranta, Leslie, Faherty, Jacqueline K., Kiman, Rocio, Couture, Dominic, Larochelle, Arnaud René, Popinchalk, Mark, Morrone, Daniella

    Published in The Astrophysical journal (01-03-2023)
    “…Abstract We report the discovery of the Oceanus moving group, a ≈500 Myr old group with 50 members and candidate members at distances 2–50 pc from the Sun,…”
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  15. 15

    The μ Tau Association: A 60 Myr Old Coeval Group at 150 pc from the Sun by Gagné, Jonathan, David, Trevor J., Mamajek, Eric E., Mann, Andrew W., Faherty, Jacqueline K., Bédard, Antoine

    Published in The Astrophysical journal (01-11-2020)
    “…Abstract We present an analysis of the newly identified μ  Tau Association (MUTA) of young stars at ≃150 pc from the Sun that is part of the large Cas-Tau…”
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  16. 16

    Revisiting the membership, multiplicity, and age of the Beta Pictoris Moving Group in the Gaia era by Lee, Rena A, Gaidos, Eric, van Saders, Jennifer, Feiden, Gregory A, Gagné, Jonathan

    “…ABSTRACT Determining the precise ages of young (tens to a few hundred Myr) kinematic (‘moving’) groups is important for placing star, protoplanetary disc, and…”
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  17. 17

    A Reanalysis of the Fundamental Parameters and Age of TRAPPIST-1 by Gonzales, Eileen C., Faherty, Jacqueline K., Gagné, Jonathan, Teske, Johanna, McWilliam, Andrew, Cruz, Kelle

    Published in The Astrophysical journal (01-12-2019)
    “…Abstract We present the distance-calibrated spectral energy distribution (SED) of TRAPPIST-1 using a new medium-resolution ( R  ∼ 6000) near-infrared (NIR)…”
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  18. 18

    Examining the Rotation Period Distribution of the 40 Myr Tucana–Horologium Association with TESS by Popinchalk, Mark, Faherty, Jacqueline K., Curtis, Jason L., Gagné, Jonathan, Bardalez Gagliuffi, Daniella C., Vos, Johanna M., Ayala, Andrew, Gonzales, Lisseth, Kiman, Rocio

    Published in The Astrophysical journal (01-03-2023)
    “…Abstract The Tucana–Horologium association (Tuc-Hor) is a 40 Myr old moving group in the southern sky. In this work, we measure the rotation periods of 313…”
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  19. 19

    Dynamical Masses of ε Indi B and C: Two Massive Brown Dwarfs at the Edge of the Stellar–substellar Boundary by Dieterich, Sergio B., Weinberger, Alycia J., Boss, Alan P., Henry, Todd J., Jao, Wei-Chun, Gagné, Jonathan, Astraatmadja, Tri L., Thompson, Maggie A., Anglada-Escudé, Guillem

    Published in The Astrophysical journal (20-09-2018)
    “…Abstract We report individual dynamical masses for the brown dwarfs ε Indi B and C, which have spectral types of T1.5 and T6, respectively, measured from…”
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  20. 20

    Characterizing the Cloud Decks of Luhman 16AB with Medium-resolution Spectroscopic Monitoring by Kellogg, Kendra, Metchev, Stanimir, Heinze, Aren, Gagné, Jonathan, Kurtev, Radostin

    Published in The Astrophysical journal (01-11-2017)
    “…Abstract We present results from a two-night R  ∼ 4000 0.9–2.5 μ m spectroscopic monitoring campaign of Luhman 16AB (L7.5 + T0.5). We assess the variability…”
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