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The solar observatory Einstein Tower (Einsteinturm) at the Telegrafenberg in Potsdam is both a landmark of modern architecture and an important place for solar physics. Originally built for high-resolution spectroscopy and measuring the…

We consider interstellar scintillations as a cause of intermittency in radio signals from extraterrestrial intelligence (ETI). We demonstrate that scintillations are very likely to allow initial detections of narrowband signals from distant…

天体物理学 · 物理学 2009-10-30 James M. Cordes , T. Joseph W. Lazio , Carl Sagan

The simultaneous detection of electromagnetic and gravitational waves from the coalescence of two neutron stars (GW170817 and GRB170817A) has ushered in a new era of "multi-messenger" astronomy, with electromagnetic detections spanning from…

高能天体物理现象 · 物理学 2020-06-10 Mouza Almualla , Michael W. Coughlin , Shreya Anand , Khalid Alqassimi , Nidhal Guessoum , Leo P. Singer

Extremely large telescopes (ELTs) are considered worldwide to be one of the highest priorities in ground-based astronomy. The European Southern Observatory (ESO) is developing an ELT that will have a 39 m main mirror and will be the largest…

天体物理仪器与方法 · 物理学 2023-12-08 Paolo Padovani , Michele Cirasuolo

Newtonian noise (NN) from seismic density fluctuations is expected to limit the low-frequency sensitivity of third-generation gravitational-wave detectors, in particular the Einstein Telescope (ET). Current NN mitigation relies on…

广义相对论与量子宇宙学 · 物理学 2025-12-16 Paul Ophardt , Francesca Badaracco , Katharina-Sophie Isleif

Future GW observatories, such as the Einstein Telescope (ET), are expected to detect gravitational wave signals, some of which are likely to overlap with each other. This overlap may lead to misidentification as a single GW event,…

天体物理仪器与方法 · 物理学 2024-07-19 Cunliang Ma , Weiguang Zhou , Zhoujian Cao

We present results of performance modelling for METIS, the Mid-infrared European Extremely Large Telescope (E-ELT) Imager and Spectrograph. Designed by a consortium of NOVA (Netherlands), UK Astronomy Technology Centre (UK), MPIA Heidelberg…

A rapidly spinning neutron star (NS) would emit a continuous gravitational wave (GW) detectable by the advanced LIGO, advanced Virgo, KAGRA and proposed third generation detectors such as the Einstein Telescope (ET). Such a GW does not…

广义相对论与量子宇宙学 · 物理学 2016-06-22 Kazunari Eda , Kenji Ono , Yousuke Itoh

The quantum noise in gravitational-wave detectors can be suppressed in a broadband by frequency-dependent squeezing. It usually requires one large scale filter cavity and even two, for example in the low frequency detector of Einstein…

量子物理 · 物理学 2024-04-24 Xingrui Peng , Denis Martynov , Zonghong Zhu , Teng Zhang

The Electromagnetically Isolated Global Signal Estimation Platform (EIGSEP) is a new instrument designed to measure the global 21-cm signal from Cosmic Dawn and the Epoch of Reionization, redshifted to frequencies below 250 MHz. To reduce…

We present the astrophysical science case for a space-based, decihertz gravitational-wave (GW) detector. We particularly highlight an ability to infer a source's sky location, both when combined with a network of ground-based detectors to…

广义相对论与量子宇宙学 · 物理学 2020-08-12 Kevin A. Kuns , Hang Yu , Yanbei Chen , Rana X Adhikari

We discuss the capability of a third-generation ground-based detector such as the Einstein Telescope to detect mergers of intermediate-mass black holes that may have formed through runaway stellar collisions in globular clusters. We find…

宇宙学与河外天体物理 · 物理学 2016-11-15 Ilya Mandel , Jonathan R. Gair , M. Coleman Miller

HERMES is a scientific mission composed of 3U nano-satellites dedicated to the detection and localization of high-energy astrophysical transients, with a distributed space architecture to form a constellation in Earth orbits. The space…

天体物理仪器与方法 · 物理学 2020-10-13 Andrea Colagrossi , Jacopo Prinetto , Stefano Silvestrini , Michèle Lavagna

Einstein Probe is a small mission dedicated to time-domain high-energy astrophysics. Its primary goals are to discover high-energy transients and to monitor variable objects in the $0.5-4~$keV X-rays, at higher sensitivity by one order of…

The Einstein Telescope faces a critical data analysis challenge with correlated noise, often overlooked in current parameter estimation analyses. We address this issue by presenting the statistical formulation of the likelihood that…

广义相对论与量子宇宙学 · 物理学 2025-09-03 Francesco Cireddu , Milan Wils , Isaac C. F. Wong , Peter T. H. Pang , Tjonnie G. F. Li , Walter Del Pozzo

Gravitational-wave astronomy allows us to study objects and events invisible to electromagnetic waves. So far, only signals triggered by coalescing binaries have been detected. However, as the interferometers' sensitivities improve over…

高能天体物理现象 · 物理学 2023-03-08 Magdalena Sieniawska , David Ian Jones , Andrew Lawrence Miller

We present a novel machine learning based approach for detecting galaxy-scale gravitational lenses from interferometric data, specifically those taken with the International LOFAR Telescope (ILT), which is observing the northern radio sky…

星系天体物理 · 物理学 2022-08-03 S. Rezaei , J. P. McKean , M. Biehl , W. de Roo1 , A. Lafontaine

Pre-merger localization of binary neutron stars (BNSs) is one of the most important scientific goals for the third generation (3G) gravitational wave (GW) detectors. It will enable the electromagnetic observation of the whole process of BNS…

广义相对论与量子宇宙学 · 物理学 2024-01-02 Qian Hu , John Veitch

The low-redshift velocity field is a unique probe of the growth of cosmic structure and gravity. We propose to use distances from gravitational wave (GW) detections, in conjunction with the redshifts of their host galaxies from wide field…

宇宙学与河外天体物理 · 物理学 2021-05-12 Antonella Palmese , Alex G. Kim
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