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- Massachusetts Institute of TechnologyUS53 papers
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21 papers · 1 filter
Tracking the Stellar Longitudes of Starspots in Short-Period Kepler Binaries
Bhaskaran Balaji, Bryce Croll, Alan M. Levine +1
We report on a new method for tracking the phases of the orbital modulations in very short-period, near-contact, and contact binary systems systems in order to follow starspots. We…
Eclipse Timing Variation Analyses of Eccentric Binaries with Close Tertiaries in the Kepler field
Tamas Borkovits, Saul Rappaport, Tamas Hajdu +1
We report eclipse timing variation analyses of 26 compact hierarchical triple stars comprised of an eccentric eclipsing ('inner') binary and a relatively close tertiary component f…
Constraints on Relativistic Jets in Quiescent Black Hole X-ray Binaries from Broadband Spectral Modeling
Richard M. Plotkin, Elena Gallo, Sera Markoff +5
The nature of black hole jets at the lowest detectable luminosities remains an open question, largely due to a dearth of observational constraints. Here, we present a new, nearly-s…
Legacy ExtraGalactic UV Survey (LEGUS) with The Hubble Space Telescope. I. Survey Description
D. Calzetti, J. C. Lee, E. Sabbi +46
The Legacy ExtraGalactic UV Survey (LEGUS) is a Cycle 21 Treasury program on the Hubble Space Telescope, aimed at the investigation of star formation and its relation with galactic…
Imaging an Event Horizon: Mitigation of Scattering Toward Sagittarius A*
Vincent L. Fish, Michael D. Johnson, Ru-Sen Lu +10
The image of the emission surrounding the black hole in the center of the Milky Way is predicted to exhibit the imprint of general relativistic (GR) effects, including the existenc…
A Parallax Distance to the Microquasar GRS 1915+105 and a Revised Estimate of its Black Hole Mass
M. J. Reid, J. E. McClintock, J. F. Steiner +4
Using the Very Long Baseline Array, we have measured a trigonometric parallax for the micro quasar GRS 1915+105, which contains a black hole and a K-giant companion. This yields a…