منابع مشابه
Neutron Star Merger Seen and Heard For
O ver thousands of years, astronomy has evolved from hand-drawn maps of the night sky to breathtaking telescope images of the far-away cosmos. Yet despite this advance in technology, most of our information about the Universe has come from photon messengers. This changed in September 2015 with the detection of gravitational waves from a black hole merger at the Laser Interferometer Gravitationa...
متن کاملSeen and Heard in Mexico
An earlier version of portions of chapter 6 appeared in " Los Exploradores, la Cruz Roja de la Juventud, y la expresión infantil de nacionalismo, México, 1920– 1940, " in Nuevas miradas a la historia de la infancia en América Latina: Entre prác-ticas y representaciones, ed.
متن کاملOn the Progenitor of Binary Neutron Star Merger GW170817
On 2017 August 17 the merger of two compact objects with masses consistent with two neutron stars was discovered through gravitational-wave (GW170817), gamma-ray (GRB170817A), and optical (SSS17a/AT 2017gfo) observations. The optical source was associated with the early-type galaxy NGC 4993 at a distance of just ∼40 Mpc, consistent with the gravitational-wave measurement, and the merger was lo...
متن کاملOn the Progenitor of Binary Neutron Star Merger Gw170817
On August 17, 2017 the merger of two compact objects with masses consistent with two neutron stars was discovered through gravitational-wave (GW170817), gamma-ray (GRB170817A), and optical (SSS17a/AT 2017gfo) observations. The optical source was associated with the early-type galaxy NGC 4993 at a distance of just ∼40 Mpc, consistent with the gravitationalwave measurement, and the merger was loc...
متن کاملThe Galactic Double-Neutron-Star Merger Rate: Most Current Estimates
We summarize our results on the Galactic merger rate of double neutron stars (DNS) in view of the recent discovery of PSR J0737−3039. We also present previously unpublished results for the global probability distribution of merger rate values that incorporate the presently known systematics from the radio pulsar luminosity function. The most likely value obtained from the global distribution is...
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ژورنال
عنوان ژورنال: Physics
سال: 2017
ISSN: 1943-2879
DOI: 10.1103/physics.10.114