Search Results - "Crenshaw, D."

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    FEEDBACK FROM MASS OUTFLOWS IN NEARBY ACTIVE GALACTIC NUCLEI. I. ULTRAVIOLET AND X-RAY ABSORBERS by CRENSHAW, D. M, KRAEMER, S. B

    Published in The Astrophysical journal (01-07-2012)
    “…We present an investigation into the impact of feedback from out-flowing UV and X-ray absorbers in nearby active galactic nuclei (AGNs). From studies of the…”
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    The biological stress of early weaned piglets by Campbell, Joy M, Crenshaw, Joe D, Polo, Javier

    “…Pigs experience biological stress such as physiological, environmental, and social challenges when weaned from the sow. The process of weaning is one of the…”
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    Quantifying Feedback from Narrow Line Region Outflows in Nearby Active Galaxies. I. Spatially Resolved Mass Outflow Rates for the Seyfert 2 Galaxy Markarian 573 by Revalski, M., Crenshaw, D. M., Kraemer, S. B., Fischer, T. C., Schmitt, H. R., Machuca, C.

    Published in The Astrophysical journal (20-03-2018)
    “…Abstract We present the first spatially resolved mass outflow rate measurements ( ) of the optical emission line gas in the narrow line region (NLR) of a…”
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    A REVERBERATION-BASED BLACK HOLE MASS FOR MCG-06-30-15 by Bentz, Misty C., Cackett, Edward M., Crenshaw, D. Michael, Horne, Keith, Street, Rachel, Ou-Yang, Benjamin

    Published in The Astrophysical journal (20-10-2016)
    “…ABSTRACT We present the results of a reverberation campaign targeting MGC-06-30-15. Spectrophotometric monitoring and broad-band photometric monitoring over…”
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    A Dissection of Spatially Resolved AGN Feedback across the Electromagnetic Spectrum by Fischer, Travis, Smith, Krista Lynne, Kraemer, Steve, Schmitt, Henrique, Michael Crenshaw, D., Koss, Michael, Mushotzky, Richard, Larson, Kirsten, U, Vivian, Rigby, Jane

    Published in The Astrophysical journal (20-12-2019)
    “…We present optical SuperNova Integral Field Spectrograph integral field spectroscopy, Hubble Space Telescope optical imaging, Chandra X-ray imaging, and Very…”
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    FEEDBACK FROM MASS OUTFLOWS IN NEARBY ACTIVE GALACTIC NUCLEI. II. OUTFLOWS IN THE NARROW-LINE REGION OF NGC 4151 by Crenshaw, D Michael, Fischer, Travis C, Kraemer, Steven B, Schmitt, Henrique R

    Published in The Astrophysical journal (20-01-2015)
    “…We present a detailed study of active galactic nucleus feedback in the narrow-line region (NLR) of the Seyfert 1 galaxy NGC 4151. We illustrate the data and…”
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    Radial Velocity Offsets Due to Mass Outflows and Extinction in Active Galactic Nuclei by Crenshaw, D. M, Schmitt, H. R, Kraemer, S. B, Mushotzky, R. F, Dunn, J. P

    Published in The Astrophysical journal (01-01-2010)
    “…We present a study of the radial velocity offsets between narrow emission lines and host galaxy lines (stellar absorption and H I 21 cm emission) in Seyfert…”
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    No Small-scale Radio Jets Here: Multiepoch Observations of Radio Continuum Structures in NGC 1068 with the VLBA by Fischer, Travis C., Johnson, Megan C., Secrest, Nathan J., Crenshaw, D. Michael, Kraemer, Steven B.

    Published in The Astrophysical journal (01-08-2023)
    “…Abstract We present recent Very Long Baseline Array (VLBA) 5 GHz radio observations of the nearby, luminous Seyfert 2 galaxy NGC 1068 for comparison to similar…”
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    Determining the Extents, Geometries, and Kinematics of Narrow-line Region Outflows in Nearby Seyfert Galaxies by Polack, Garrett E., Revalski, Mitchell, Crenshaw, D. Michael, Fischer, Travis C., Schmitt, Henrique R., Kraemer, Steven B., Meena, Beena, Rafelski, Marc

    Published in The Astrophysical journal (01-11-2024)
    “…Abstract Outflowing gas from supermassive black holes in the centers of active galaxies has been postulated as a major contributor to galactic evolution. To…”
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    An Analysis of Active Galactic Nucleus–driven Outflows in the Seyfert 1 Galaxy NGC 3227 by Falcone, Julia, Crenshaw, D. Michael, Fischer, Travis C., Meena, Beena, Revalski, Mitchell, Shea, Maura Kathleen, Riffel, Rogemar A., Chapman, Zo, Ferree, Nicolas, Tutterow, Jacob, Davis, Madeline

    Published in The Astrophysical journal (01-08-2024)
    “…Abstract We have characterized the ionized, neutral, and warm molecular gas kinematics in the Seyfert 1 galaxy NGC 3227 using observations from the Hubble…”
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    MASS LOSS FROM THE NUCLEI OF ACTIVE GALAXIES by Crenshaw, D. Michael, Kraemer, Steven B, George, Ian M

    “…Blueshifted absorption lines in the UV and X-ray spectra of active galaxies reveal the presence of massive outflows of ionized gas from their nuclei. The…”
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    Investigating the Narrow-line Region Dynamics in Nearby Active Galaxies by Meena, Beena, Crenshaw, D. Michael, Schmitt, Henrique R., Revalski, Mitchell, Chapman, Zo, Fischer, Travis C., Kraemer, Steven B., Robinson, Justin H., Falcone, Julia, Polack, Garrett E.

    Published in The Astrophysical journal (01-02-2023)
    “…Abstract We present dynamical models of the narrow-line region (NLR) outflows in the nearby Seyfert galaxies Mrk 3, Mrk 78, NGC 1068, and NGC 4151 using…”
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    A UFO Seen Edge-on? Resolving Ultrafast Outflow Emission on ∼200 pc Scales with Chandra in the Active Nucleus of Mrk 34 by Maksym, W. Peter, Elvis, Martin, Fabbiano, Giuseppina, Trindade Falcão, Anna, Kraemer, Steven B., Fischer, Travis C., Crenshaw, D. Michael, Storchi-Bergmann, Thaisa

    Published in The Astrophysical journal (01-07-2023)
    “…Abstract We present Chandra ACIS imaging spectroscopy of the nucleus of the Seyfert 2 Galaxy Mrk 34. We identify spatially and spectrally resolved features in…”
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    Outflows in the narrow-line region of bright Seyfert galaxies – I. GMOS-IFU data by Freitas, I C, Riffel, R A, Storchi-Bergmann, T, Elvis, M, Robinson, A, Crenshaw, D M, Nagar, N M, Lena, D, Schmitt, H R, Kraemer, S B

    “…Abstract We present two-dimensional maps of emission-line fluxes and kinematics, as well as of the stellar kinematics of the central few kpc of five bright…”
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