no code implementations • 28 Jul 2020 • Benjamin D. Johnson, Charlie Conroy, Rohan P. Naidu, Ana Bonaca, Dennis Zaritsky, Yuan-Sen Ting, Phillip A. Cargile, Jiwon Jesse Han, Joshua S. Speagle
We speculate that this kinematically diffuse, low metallicity, population is the stellar halo of the Sagittarius progenitor system.
Astrophysics of Galaxies
1 code implementation • 26 Nov 2019 • Justin Alsing, Hiranya Peiris, Joel Leja, ChangHoon Hahn, Rita Tojeiro, Daniel Mortlock, Boris Leistedt, Benjamin D. Johnson, Charlie Conroy
We present \textsc{speculator} -- a fast, accurate, and flexible framework for emulating stellar population synthesis (SPS) models for predicting galaxy spectra and photometry.
Instrumentation and Methods for Astrophysics Astrophysics of Galaxies
2 code implementations • 4 Apr 2018 • Yuan-Sen Ting, Charlie Conroy, Hans-Walter Rix, Phillip Cargile
We present The Payne, a general method for the precise and simultaneous determination of numerous stellar labels from observed spectra, based on fitting physical spectral models.
Solar and Stellar Astrophysics Astrophysics of Galaxies
1 code implementation • 5 Feb 2018 • Yun Wang, Massimo Robberto, Mark Dickinson, Lynne A. Hillenbrand, Wesley Fraser, Peter Behroozi, Jarle Brinchmann, Chia-Hsun Chuang, Andrea Cimatti, Robert Content, Emanuele Daddi, Henry C. Ferguson, Christopher Hirata, Michael J. Hudson, J. Davy Kirkpatrick, Alvaro Orsi, Alice Shapley, Mario Ballardini, Robert Barkhouser, James Bartlett, Robert Benjamin, Ranga Chary, Charlie Conroy, Megan Donahue, Olivier Dore, Peter Eisenhardt, Karl Glazebrook, George Helou, Sangeeta Malhotra, Lauro Moscardini, Jeffrey A. Newman, Zoran Ninkov, Michael Ressler, James Rhoads, Jason Rhodes, Daniel Scolnic, Stephen Smee, Francesco Valentino, Risa H. Wechsler
ATLAS Probe will lead to transformative science over the entire range of astrophysics: from galaxy evolution to the dark Universe, from Solar System objects to the dusty regions of the Milky Way.
Instrumentation and Methods for Astrophysics Cosmology and Nongalactic Astrophysics Earth and Planetary Astrophysics Astrophysics of Galaxies Solar and Stellar Astrophysics
1 code implementation • 24 May 2017 • Alexa Villaume, Charlie Conroy, Benjamin Johnson, John Rayner, Andrew W. Mann, Pieter van Dokkum
We present a $0. 7-2. 5\mu m$ spectral library of 284 stars observed with the medium-resolution infrared spectrograph, SpeX, at the 3. 0 meter NASA Infrared Telescope Facility (IRTF) on Maunakea, Hawaii.
Solar and Stellar Astrophysics Astrophysics of Galaxies
1 code implementation • 25 Jul 2011 • Jeremy Tinker, Andrew Wetzel, Charlie Conroy
Using the 4000-A break as a measure of star formation history, we examine the correlation between the quenched fraction of galaxies, f_q, and large-scale environment, rho.
Cosmology and Nongalactic Astrophysics