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- McGill UniversityCA171 papers
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10 papers · 1 filter
Swift observations of two outbursts from the magnetar 4U 0142+61
R. F. Archibald, V. M. Kaspi, P. Scholz +3
4U 0142+61 is one of a small class of persistently bright magnetars. Here we report on a monitoring campaign of 4U 0142+61 from 2011 July 26 - 2016 June 12 using the Swift X-ray Te…
Odd Harmonics in Exoplanet Photometry: Weather or Artifact?
Nicolas B. Cowan, Victoria Chayes, Elie Bouffard +2
Photometry of short-period planetary systems allows astronomers to monitor exoplanets, their host stars, and their mutual interactions. In addition to the transits of a planet in f…
Evolution of Gas Giant Entropy During Formation by Runaway Accretion
David Berardo, Andrew Cumming, Gabriel-Dominique Marleau
We calculate the evolution of gas giant planets during the runaway gas accretion phase of formation, to understand how the luminosity of young giant planets depends on the accretio…
Harmonic space analysis of pulsar timing array redshift maps
Elinore Roebber, Gilbert Holder
In this paper, we propose a new framework for treating the angular information in the pulsar timing array response to a gravitational wave background based on standard cosmic micro…
A Magnetar-like Outburst from a High-B Radio Pulsar
R. F. Archibald, V. M. Kaspi, S. P. Tendulkar +1
Radio pulsars are believed to have their emission powered by the loss of rotational kinetic energy. By contrast, magnetars show intense X-ray and gamma-ray radiation whose luminosi…
A lower limit on the heat capacity of the neutron star core
Andrew Cumming, Edward F. Brown, Farrukh J. Fattoyev +3
We show that observations of the core temperature of transiently-accreting neutron stars combined with observations of an accretion outburst give a lower limit to the neutron star…