KICP Seminars & Colloquia, Current and Future
Upcoming Seminars

Seminar schedule for Current (Spring 2015) & Future Quarters
April 3, 2015
Friday noon seminar
Laura Newburgh
Dunlap Institute, University of Toronto
Measuring Dark Energy with CHIME   [Abstract]
April 8, 2015
Wednesday colloquium
John M Kovac
Harvard University
CMB Polarization and the BICEP / Keck Program
April 10, 2015
Friday noon seminar
Alexander van Engelen
Canadian Institute for Theoretical Astrophysics
Gravitational Lensing with ACTPol   [Abstract]
April 17, 2015
Friday noon seminar
Silvia Galli
The University of Chicago
TBA   [Abstract]
April 22, 2015
Wednesday colloquium
Maura McLaughlin
West Virginia University
Building a Galactic Scale Gravitational Wave Observatory
April 24, 2015
Friday noon seminar
Eugene Churazov
Max Planck Institute for Astrophysics
Gamma-rays from type Ia supernova SN2014J   [Abstract]
May 1, 2015
Friday noon seminar
Rachel A Rosen
Columbia University
TBD
May 6, 2015
Wednesday colloquium
Keith Bechtol
WIPAC / University of Wisconsin-Madison
Searching for Milky Way Satellite Galaxies in the Dark Energy Survey
May 8, 2015
Friday noon seminar
Cora Dvorkin
Harvard University
TBA
May 15, 2015
Friday noon seminar
Alyson Brooks
Rutgers University
TBD
May 22, 2015
Friday noon seminar
Sean McWilliams
West Virginia University
Probing the environments of supermassive black-hole binaries with pulsar timing arrays   [Abstract]
May 26, 2015
Special seminar
Carlos S Frenk
Durham University
All Chicago Cosmology Colloquium Title tbc
 
Wednesday colloquia
KICP Wednesday Colloquia: Unless otherwise noted, all talks are held in BSLC 001 at 3 PM on Wednesdays. A reception will be held in the LASR conference room following the talk.

  • April 8, 2015 | 3:00 PM | BSLC 115
    CMB Polarization and the BICEP / Keck Program
    John M Kovac, Harvard University
    Note: Reception at 4 PM in the LASR conference room.
  • April 22, 2015 | 3:00 PM | BSLC 001
    Building a Galactic Scale Gravitational Wave Observatory
    Maura McLaughlin, West Virginia University
    Note: Reception at 4 PM in the LASR conference room.
  • May 6, 2015 | 3:00 PM | BSLC 001
    Searching for Milky Way Satellite Galaxies in the Dark Energy Survey
    Keith Bechtol, WIPAC / University of Wisconsin-Madison
    Note: Reception at 4 PM in the LASR conference room.

 
Friday noon seminars
KICP Friday noon seminar: Unless otherwise noted, all talks are held in LASR conference room at Noon on Fridays.

  • April 3, 2015 | 12:00 PM | LASR conference room
    Measuring Dark Energy with CHIME
    Laura Newburgh, Dunlap Institute, University of Toronto

    The Canadian Hydrogen Intensity Mapping Experiment (CHIME) is a new radio transit interferometer currently being built at the Dominion Radio Astrophysical Observatory (DRAO) in Penticton, BC, Canada. We will use the 21cm emission line of neutral hydrogen to map baryon acoustic oscillations between 400-800MHz across 3/4 of the sky. These measurements will yield sensitive constraints on the dark energy equation of state between redshifts 0.8 -- 2.5, a fascinating but poorly probed era corresponding to when dark energy began to impact the expansion history of the Universe. I will describe the CHIME instrument, the analysis challenges, the calibration requirements, and current status.
  • April 10, 2015 | 12:00 PM | LASR conference room
    Gravitational Lensing with ACTPol
    Alexander van Engelen, Canadian Institute for Theoretical Astrophysics

    TBD
  • April 17, 2015 | 12:00 PM | LASR Conference Room
    TBA
    Silvia Galli, The University of Chicago

    TBA
  • April 24, 2015 | 12:00 PM | LASR conference room
    Gamma-rays from type Ia supernova SN2014J
    Eugene Churazov, Max Planck Institute for Astrophysics

    SN2014J is the closest type Ia supernova in the era of space observatories and the first one from which gamma-ray lines have been detected with high significance. The flux of Co-56 lines at 847 and 1238 keV, observed with INTEGRAL, shows that about 0.6 Msun of radioactive Ni-56 has been synthesized during explosion. The line broadening suggests the characteristic expansion velocity of ~10000 km/s. Annihilation of positrons produced during decay of Co-56 makes significant contribution to the continuum below 511 keV. The total mass of the ejecta is consistent with 1.4 Msun progenitor, although the constraints are not very tight. Overall the gamma-ray data are broadly consistent with the expectations for canonical 1D models, such as delayed detonation or deflagration models for a near-Chandrasekhar mass White Dwarf. Pure detonation models or strongly sub-Chandrasekhar models are excluded by the gamma-ray data.
  • May 1, 2015 | 12:00 PM | LASR conference room
    TBD
    Rachel A Rosen, Columbia University
  • May 8, 2015 | 12:00 PM | LASR conference room
    TBA
    Cora Dvorkin, Harvard University
  • May 15, 2015 | 12:00 PM | LASR conference room
    TBD
    Alyson Brooks, Rutgers University
  • May 22, 2015 | 12:00 PM | LASR conference room
    Probing the environments of supermassive black-hole binaries with pulsar timing arrays
    Sean McWilliams, West Virginia University

    While pulsar timing arrays (PTAs) like NANOGrav have not yet detected gravitational waves, they are still giving us useful information about supermassive black-hole binaries in our Universe. In particular, the continuing non-detection of gravitational waves at current sensitivity levels already suggests that dynamical effects other than gravitational-wave emission are either much more or else much less efficient than we previously thought. I will present detailed calculations of the influence of these other effects on the gravitational-wave signal that we hope to detect with PTAs. I will also present results using the actual 9-year data set from NANOGrav that show how models that include effects other than gravitational-wave emission are already favored over models that only include gravitational-wave emission. Finally, I will present results using realistic simulated PTA data that show what conclusions we will be able to draw regarding the environments and the dynamics of supermassive black-hole binaries at ~milliparsec separations over the next several years.

 
Special seminars

  • May 26, 2015 | 2:00 PM | Fermilab
    All Chicago Cosmology Colloquium Title tbc
    Carlos S Frenk, Durham University

 
Open group seminars


 
Thursday lunch discussions
KICP's Thunch: KICP Cosmology Lunch (Thunch) Weekly on Thursdays, Noon, LASR conference room.

Please join us for an informal lunch discussion, led by KICP fellows, of recent news and papers in cosmology. Topics range from experiment and observations to theory in all areas of KICP science. To submit or view papers for this week's Thunch please visit the Thunch website.


 
Astronomy colloquia
Colloquia of the Department of Astronomy & Astrophysics: Unless otherwise noted, all talks are held in BSLC 001 at 3 PM on Wednesdays. A reception will be held in TAAC 71 following the talk.