Search Results - "Jaffe, T."

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  1. 1

    The Correct Sense of Faraday Rotation by Ferrière, K, West, J L, Jaffe, T R

    “…The phenomenon of Faraday rotation of linearly polarized synchrotron emission in a magneto-ionized medium has been understood and studied for decades. But…”
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    A Unified Model for the Fan Region and the North Polar Spur: A Bundle of Filaments in the Local Galaxy by West, J. L., Landecker, T. L., Gaensler, B. M., Jaffe, T., Hill, A. S.

    Published in The Astrophysical journal (10-12-2021)
    “…We present a simple, unified model that can explain two of the brightest, large-scale, diffuse, polarized radio features in the sky, the North Polar Spur (NPS)…”
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    ZODIACAL EXOPLANETS IN TIME (ZEIT). I. A NEPTUNE-SIZED PLANET ORBITING AN M4.5 DWARF IN THE HYADES STAR CLUSTER by Mann, Andrew W., Gaidos, Eric, Mace, Gregory N., Johnson, Marshall C., Bowler, Brendan P., LaCourse, Daryll, Jacobs, Thomas L., Vanderburg, Andrew, Kraus, Adam L., Kaplan, Kyle F., Jaffe, Daniel T.

    Published in The Astrophysical journal (10-02-2016)
    “…ABSTRACT Studying the properties of young planetary systems can shed light on how the dynamics and structure of planets evolve during their most formative…”
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  5. 5

    Effective Temperature Estimations from Line Depth Ratios in the H- and K-band Spectra of IGRINS by Afşar, Melike, Bozkurt, Zeynep, Topcu, Gamze Böcek, Özdemir, Sergen, Sneden, Christopher, Mace, Gregory N., Jaffe, Daniel T., López-Valdivia, Ricardo

    Published in The Astrophysical journal (01-06-2023)
    “…Determining accurate effective temperatures of stars buried in the dust-obscured Galactic regions is extremely difficult from photometry. Fortunately,…”
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  6. 6

    H2, CO, and Dust Absorption through Cold Molecular Clouds by Lacy, John H., Sneden, Christopher, Kim, Hwihyun, Jaffe, Daniel T.

    Published in The Astrophysical journal (24-03-2017)
    “…The abundance of H2 in molecular clouds, relative to the commonly used tracer CO, has only been measured toward a few embedded stars, which may be surrounded…”
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  7. 7

    Characterizing TW Hydra by Sokal, Kimberly R., Deen, Casey P., Mace, Gregory N., Lee, Jae-Joon, Oh, Heeyoung, Kim, Hwihyun, Kidder, Benjamin T., Jaffe, Daniel T.

    Published in The Astrophysical journal (01-02-2018)
    “…At 60 pc, TW Hydra (TW Hya) is the closest example of a star with a gas-rich protoplanetary disk, though TW Hya may be relatively old (3-15 Myr). As such, TW…”
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  8. 8

    Magnetic Field Measurements of Low-mass Stars from High-resolution Near-infrared IGRINS Spectra by Han, Eunkyu, López-Valdivia, Ricardo, Mace, Gregory N., Jaffe, Daniel T.

    Published in The Astronomical journal (01-07-2023)
    “…We present average magnetic field measurements derived from high-resolution near-infrared IGRINS spectra of a carefully selected sample of 28 M dwarfs. All 28…”
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  9. 9

    Connecting synchrotron, cosmic rays and magnetic fields in the plane of the Galaxy by Jaffe, T. R., Banday, A. J., Leahy, J. P., Leach, S., Strong, A. W.

    “…We extend previous work modelling the Galactic magnetic field in the plane using synchrotron emission in total and polarized intensity. In this work, we…”
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  10. 10

    The Mean Magnetic Field Strength of CI Tau by Sokal, Kimberly R., Johns-Krull, Christopher M., Mace, Gregory N., Nofi, Larissa, Prato, L., Lee, Jae-Joon, Jaffe, Daniel T.

    Published in The Astrophysical journal (10-01-2020)
    “…We present a blind comparison of two methods to measure the mean surface magnetic field strength of the classical T Tauri star CI Tau based on Zeeman…”
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    M67 Blue Stragglers with High-resolution Infrared Spectroscopy by Brady, K. E., Sneden, C., Pilachowski, C. A., Afşar, Melike, Mace, G. N., Jaffe, D. T., Gosnell, N. M., Seifert, R.

    Published in The Astronomical journal (01-10-2023)
    “…We report on the first detailed infrared chemical analysis of five binary members (S277, S997, S975, S1031, and S1195) in the open cluster M67 (NGC 2682)…”
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    Evidence of Vorticity and Shear at Large Angular Scales in the WMAP Data: A Violation of Cosmological Isotropy? by Jaffe, T. R, Banday, A. J, Eriksen, H. K, Górski, K. M, Hansen, F. K

    Published in The Astrophysical journal (10-08-2005)
    “…Motivated by the large-scale asymmetry observed in the cosmic microwave background sky, we consider a specific class of anisotropic cosmological…”
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  14. 14

    Modelling the Galactic magnetic field on the plane in two dimensions by Jaffe, T. R., Leahy, J. P., Banday, A. J., Leach, S. M., Lowe, S. R., Wilkinson, A.

    “…We present a method for parametric modelling of the physical components of the Galaxy's magnetized interstellar medium, simulating the observables and mapping…”
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  15. 15

    The IGRINS YSO Survey. III. Stellar Parameters of Pre-main-sequence Stars in Ophiuchus and Upper Scorpius by López-Valdivia, Ricardo, Mace, Gregory N., Han, Eunkyu, Sawczynec, Erica, Hernández, Jesús, Prato, L., Johns-Krull, Christopher M., Oh, Heeyoung, Lee, Jae-Joon, Kraus, Adam, Llama, Joe, Jaffe, Daniel T.

    Published in The Astrophysical journal (01-01-2023)
    “…We used the Immersion GRating Infrared Spectrometer (IGRINS) to determine fundamental parameters for 61 K- and M-type young stellar objects (YSOs) located in…”
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  16. 16

    Chemical Compositions of Evolved Stars from Near-infrared IGRINS High-resolution Spectra. I. Abundances in Three Red Horizontal Branch Stars by Af ar, Melike, Sneden, Christopher, Wood, Michael P., Lawler, James E., Bozkurt, Zeynep, Topcu, Gamze Böcek, Mace, Gregory N., Kim, Hwihyun, Jaffe, Daniel T.

    Published in The Astrophysical journal (20-09-2018)
    “…We have derived elemental abundances of three field red horizontal branch stars using high-resolution (R 45,000), high signal-to-noise ratio (S/N 200) H- and…”
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  17. 17

    High-resolution Spectroscopic Monitoring Observations of FU Orionis-type Object, V960 Mon by Park, Sunkyung, Lee, Jeong-Eun, Pyo, Tae-Soo, Jaffe, Daniel T., Mace, Gregory N., Sung, Hyun-Il, Lee, Sang-Gak, Kang, Wonseok, Oh, Hyung-Il, Yoon, Tae Seog, Yoon, Sung-Yong, Green, Joel D.

    Published in The Astrophysical journal (01-09-2020)
    “…We present the results of high-resolution (R ≥ 30,000) optical and near-infrared (NIR) spectroscopic monitoring observations of an FU Orionis-type object…”
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  18. 18

    Evidence of Accretion Burst: The Viscously Heated Inner Disk of the Embedded Protostar IRAS 16316-1540 by Yoon, Sung-Yong, Lee, Jeong-Eun, Lee, Seokho, Herczeg, Gregory J., Park, Sunkyung, Mace, Gregory N., Lee, Jae-Joon, Jaffe, Daniel T.

    Published in The Astrophysical journal (01-10-2021)
    “…Outbursts of young stellar objects occur when the mass accretion rate suddenly increases. However, such outbursts are difficult to detect for deeply embedded…”
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    Effective Temperatures of Low-mass Stars from High-resolution H-band Spectroscopy by López-Valdivia, Ricardo, Mace, Gregory N., Sokal, Kimberly R., Hussaini, Maryam, Kidder, Benjamin T., Mann, Andrew W., Gosnell, Natalie M., Oh, Heeyoung, Kesseli, Aurora Y., Muirhead, Philip S., Johns-Krull, Christopher M., Jaffe, Daniel T.

    Published in The Astrophysical journal (10-07-2019)
    “…High-resolution, near-infrared spectra will be the primary tool for finding and characterizing Earth-like planets around low-mass stars. Yet, the properties of…”
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  20. 20

    Helicity in the Large-Scale Galactic Magnetic Field by West, J. L., Henriksen, R. N., Ferriere, K., Woodfinden, A., Jaffe, T, Gaensler, B. M., Irwin, J. A.

    “…We search for observational signatures of magnetic helicity in data from all-sky radio polarization surveys of the Milky Way Galaxy. Such a detection would…”
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