Search Results - "Narayanan, Desika"

Refine Results
  1. 1

    The Dust Attenuation Law in Galaxies by Salim, Samir, Narayanan, Desika

    “…Understanding the properties of dust attenuation curves in galaxies and the physical mechanisms that shape them are among the fundamental questions of…”
    Get full text
    Journal Article
  2. 2

    The dust-to-gas and dust-to-metal ratio in galaxies from z = 0 to 6 by Li, Qi, Narayanan, Desika, Davé, Romeel

    “…ABSTRACT We present predictions for the evolution of the galaxy dust-to-gas ratio (DGR) and dust-to-metal ratio (DTM) from z = 0 → 6, using a model for the…”
    Get full text
    Journal Article
  3. 3

    A theory for the excitation of CO in star-forming galaxies by Narayanan, Desika, Krumholz, Mark R.

    “…Observations of molecular gas in high-z star-forming galaxies typically rely on emission from CO lines arising from states with rotational quantum numbers…”
    Get full text
    Journal Article
  4. 4

    Mergers, starbursts, and quenching in the simba simulation by Rodríguez Montero, Francisco, Davé, Romeel, Wild, Vivienne, Anglés-Alcázar, Daniel, Narayanan, Desika

    “…ABSTRACT We use the simba cosmological galaxy formation simulation to investigate the relationship between major mergers ($\lesssim$4:1), starbursts, and…”
    Get full text
    Journal Article
  5. 5

    A Theory for the Variation of Dust Attenuation Laws in Galaxies by Narayanan, Desika, Conroy, Charlie, Davé, Romeel, Johnson, Benjamin D., Popping, Gergö

    Published in The Astrophysical journal (10-12-2018)
    “…In this paper, we provide a physical model for the origin of variations in the shapes and bump strengths of dust attenuation laws in galaxies by combining a…”
    Get full text
    Journal Article
  6. 6

    How Well Can We Measure the Stellar Mass of a Galaxy: The Impact of the Assumed Star Formation History Model in SED Fitting by Lower, Sidney, Narayanan, Desika, Leja, Joel, Johnson, Benjamin D., Conroy, Charlie, Davé, Romeel

    Published in The Astrophysical journal (01-11-2020)
    “…Abstract The primary method for inferring the stellar mass ( M * ) of a galaxy is through spectral energy distribution (SED) modeling. However, the technique…”
    Get full text
    Journal Article
  7. 7
  8. 8

    Galaxy cold gas contents in modern cosmological hydrodynamic simulations by Davé, Romeel, Crain, Robert A, Stevens, Adam R H, Narayanan, Desika, Saintonge, Amelie, Catinella, Barbara, Cortese, Luca

    “…ABSTRACT We present a comparison of galaxy atomic and molecular gas properties in three recent cosmological hydrodynamic simulations, namely SIMBA, EAGLE, and…”
    Get full text
    Journal Article
  9. 9

    Discovery of a Dark, Massive, ALMA-only Galaxy at z ∼ 5-6 in a Tiny 3 mm Survey by Williams, Christina C., Labbe, Ivo, Spilker, Justin, Stefanon, Mauro, Leja, Joel, Whitaker, Katherine, Bezanson, Rachel, Narayanan, Desika, Oesch, Pascal, Weiner, Benjamin

    Published in The Astrophysical journal (20-10-2019)
    “…We report the serendipitous detection of two 3 mm continuum sources found in deep ALMA Band 3 observations to study intermediate-redshift galaxies in the…”
    Get full text
    Journal Article
  10. 10

    Cosmic Sands: The Origin of Dusty, Star-forming Galaxies in the Epoch of Reionization by Lower, Sidney, Narayanan, Desika, Li, Qi, Davé, Romeel

    Published in The Astrophysical journal (01-06-2023)
    “…Abstract We present the Cosmic Sands suite of cosmological zoom-in simulations based on the simba galaxy formation model in order to study the buildup of the…”
    Get full text
    Journal Article
  11. 11
  12. 12

    The formation of submillimetre-bright galaxies from gas infall over a billion years by Narayanan, Desika, Turk, Matthew, Feldmann, Robert, Robitaille, Thomas, Hopkins, Philip, Thompson, Robert, Hayward, Christopher, Ball, David, Faucher-Giguère, Claude-André, Kereš, Dušan

    Published in Nature (London) (24-09-2015)
    “…Submillimetre-bright galaxies at high redshift are the most luminous, heavily star-forming galaxies in the Universe, but cosmological simulations of such…”
    Get full text
    Journal Article
  13. 13

    ALMA Measures Rapidly Depleted Molecular Gas Reservoirs in Massive Quiescent Galaxies at z ∼ 1.5 by Williams, Christina C., Spilker, Justin S., Whitaker, Katherine E., Davé, Romeel, Woodrum, Charity, Brammer, Gabriel, Bezanson, Rachel, Narayanan, Desika, Weiner, Benjamin

    Published in The Astrophysical journal (01-02-2021)
    “…Abstract We present Atacama Large Millimeter/submillimeter Array (ALMA) CO(2–1) spectroscopy of six massive (log 10 / > 11.3) quiescent galaxies at z  ∼ 1.5…”
    Get full text
    Journal Article
  14. 14

    Tracing the History of Obscured Star Formation with the SIMBA Cosmological Galaxy Evolution Simulation by Zimmerman, Dhruv T., Narayanan, Desika, Whitaker, Katherine E., Davé, Romeel

    Published in The Astrophysical journal (01-10-2024)
    “…Abstract We explore the cosmic evolution of the fraction of dust-obscured star formation predicted by the simba cosmological hydrodynamic simulations featuring…”
    Get full text
    Journal Article
  15. 15
  16. 16

    slick: Modeling a Universe of Molecular Line Luminosities in Hydrodynamical Simulations by Garcia, Karolina, Narayanan, Desika, Popping, Gergö, Anirudh, R., Sutherland, Sagan, Kaasinen, Melanie

    Published in The Astrophysical journal (01-10-2024)
    “…Abstract We present slick (the Scalable Line Intensity Computation Kit), a software package that calculates realistic CO, [C i ], and [C ii ] luminosities for…”
    Get full text
    Journal Article
  17. 17

    Galaxy gas fractions at high redshift: the tension between observations and cosmological simulations by Narayanan, Desika, Bothwell, Matt, Davé, Romeel

    “…ABSTRACT CO measurements of z ∼ 1–4 galaxies have found that their baryonic gas fractions are significantly higher than those for galaxies at z = 0, with…”
    Get full text
    Journal Article
  18. 18

    Dark Molecular Gas in Simulations of z ∼ 0 Disk Galaxies by Li, Qi, Narayanan, Desika, Davè, Romeel, Krumholz, Mark R.

    Published in The Astrophysical journal (10-12-2018)
    “…The H2 mass of molecular clouds has traditionally been traced by the CO(J = 1−0) rotational transition line. This said, CO is relatively easily…”
    Get full text
    Journal Article
  19. 19

    Submillimetre galaxies in a hierarchical universe: number counts, redshift distribution and implications for the IMF by Hayward, Christopher C., Narayanan, Desika, Kereš, Dušan, Jonsson, Patrik, Hopkins, Philip F., Cox, T. J., Hernquist, Lars

    “…High-redshift submillimetre galaxies (SMGs) are some of the most rapidly star-forming galaxies in the Universe. Historically, galaxy formation models have had…”
    Get full text
    Journal Article
  20. 20