The 30 Doradus star-forming region in the Large Magellanic Cloud is a nearby analog of large star-formation events in the distant universe. We determined the...
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PublicationAn excess of massive stars in the local 30 Doradus starburst
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PublicationAn Extremely Luminous Panchromatic Outburst from the Nucleus of a Distant Galaxy
Variable x-ray and γ-ray emission is characteristic of the most extreme physical processes in the universe. We present multiwavelength observations of a unique...
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PublicationAn Integral View of Fast Shocks Around Supernova 1006
Supernova remnants are among the most spectacular examples of astrophysical pistons in our cosmic neighborhood. The gas expelled by the supernova explosion is...
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PublicationAn Interacting Binary System Powers Precessing Outflows of an Evolved Star
Stars are generally spherical, yet their gaseous envelopes often appear nonspherical when ejected near the end of their lives. This quirk is most notable during...
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PublicationAnomalous Polarization Profiles in Sunspots: Possible Origin of Umbral Flashes
We present time-series spectropolarimetric observations of sunspots in the Ca II infrared triplet lines, which show a periodic occurrence of anomalous...
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PublicationAnomalous Polarization Profiles in Sunspots: Possible Origin of Umbral Flashes
We present time-series spectropolarimetric observations of sunspots in the Ca II infrared triplet lines, which show a periodic occurrence of anomalous...
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PublicationBlack hole lightning due to particle acceleration at subhorizon scales
Supermassive black holes with masses of millions to billions of solar masses are commonly found in the centers of galaxies. Astronomers seek to image jet...
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PublicationBook-Review - Evolutionary Phenomena in Galaxies
Not Available
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PublicationBook-Review - New Windows to the Universe
Not Available