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The Alpha Magnetic Spectrometer (AMS) is a particle physics detector designed for a high precision measurement of cosmic rays in space. AMS phase-2 (AMS-02) is scheduled to be installed on the ISS for at least three years from September…

Instrumentation and Methods for Astrophysics · Physics 2010-09-13 N. Tomassetti

The Planck mission detected thousands of extragalactic radio sources at frequencies from 28 to 857 GHz. Planck's calibration is absolute (in the sense that it is based on the satellite's annual motion around the Sun and the temperature of…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-27 B. Partridge , M. López-Caniego , R. A. Perley , J. Stevens , B. J. Butler , G. Rocha , B. Walter , A. Zacchei

A Large Ion Collider Experiment (ALICE) is the only experiment at the Large Hadron Collider (LHC) dedicated to the study of heavy ion collisions. The Time Projection Chamber (TPC) is the main tracking detector covering the pseudo rapidity…

Nuclear Experiment · Physics 2009-11-11 G. Renault , B. S. Nielsen , J. Westergaard , J. J. Gaardhøje

The Earth, Mars, Sun, Jupiter system allows for a sensitive test of the strong equivalence principle (SEP) which is qualitatively different from that provided by Lunar Laser Ranging. Using analytic and numerical methods we demonstrate that…

General Relativity and Quantum Cosmology · Physics 2008-11-26 John D. Anderson , Mark Gross , Kenneth L. Nordtvedt , Slava G. Turyshev

In the next decade or two, extremely accurate tests of general relativity under extreme conditions are expected from gravitational wave observations of binary black hole mergers with a wide range of mass ratios. In addition, major…

General Relativity and Quantum Cosmology · Physics 2011-06-14 Neil Ashby , Peter L. Bender

We describe a possible new technique for precise wavelength calibration of high-resolution astronomical spectrographs using femtosecond-pulsed mode-locked lasers controlled by stable oscillators such as atomic clocks. Such `frequency combs'…

The Blanco Cosmology Survey (BCS) is a 60 night imaging survey of $\sim$80 deg$^2$ of the southern sky located in two fields: ($\alpha$,$\delta$)= (5 hr, $-55^{\circ}$) and (23 hr, $-55^{\circ}$). The survey was carried out between 2005 and…

This paper primarily investigates the effect of the tilt of corner cube reflector (CCR) arrays on lunar laser ranging (LLR). A mathematical model was established to study the random errors caused by the tilt of the CCR arrays. The study…

Instrumentation and Methods for Astrophysics · Physics 2024-08-22 Jin Cao , Rufeng Tang , Kai Huang , Zhulian Li , Yongzhang Yang , Kai Huang , Jintao Li , Yuqiang Li

Optical navigation on a CubeSat must rely on the best extraction of the directions of some beacons from on-board images. We present an experiment on OPS-SAT, a CubeSat of the European Space Agency (ESA), that will characterize an onboard…

Instrumentation and Methods for Astrophysics · Physics 2022-03-15 Boris Segret , Youssoupha Diaw , Valery Lainey

A diverse array of science goals require accurate flux calibration of observations with the Atacama Large Millimeter/Submillimeter array (ALMA), however, this goal remains challenging due to the stochastic time-variability of the ``grid''…

Instrumentation and Methods for Astrophysics · Physics 2020-11-25 Logan Francis , Doug Johnstone , Gregory Herczeg , Todd R. Hunter , Daniel Harsono

A new method for absolute polarimetric calibration of large telescopes is presented. The proposed method is highly accurate and is based on the calibration of a small sub-aperture, which is then extended to the full system by means of…

Astrophysics · Physics 2009-11-10 H. Socas-Navarro

More precise lunar and Martian ranging will enable unprecedented tests of Einstein's theory of General Relativity and well as lunar and planetary science. NASA is currently planning several missions to return to the Moon, and it is natural…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Stephen M. Merkowitz , Philip W. Dabney , Jeffrey C. Livas , Jan F. McGarry , Gregory A. Neumann , Thomas W. Zagwodzki

Using reliable trigonometric measurements, we find that the absolute magnitude of cataclysmic variables depends on the orbital period and de-reddened $(J-H)_{0}$ and $(H-K_{s})_{0}$ colours of {\em 2MASS} (Two Micron All Sky Survey)…

Astrophysics · Physics 2008-11-26 T. Ak , S. Bilir , S. Ak , A. Retter

We have developed a new laser-based time calibration system for the MEG II timing counter dedicated to timing measurement of positrons. The detector requires precise timing alignment between $\sim\,$500 scintillation counters. In this…

Instrumentation and Detectors · Physics 2019-05-16 M. Nakao , G. Boca , P. W. Cattaneo , M. De Gerone , F. Gatti , M. Nishimura , W. Ootani , M. Rossella , Y. Uchiyama , M. Usami , K. Yoshida

We present a generic algorithm for performing astronomical image registration and pointing refinement. The method is based on matching the positions and fluxes of available point sources in image overlap regions. This information is used to…

Astrophysics · Physics 2009-11-10 Frank J. Masci , David Makovoz , Mehrdad Moshir

The H{\alpha} line is an important optical line in solar observations containing the information from the photosphere to the chromosphere. To study the mechanisms of solar eruptions and the plasma dynamics in the lower atmosphere, the…

For the first time, the lunar occultation technique has been employed on a very large telescope in the near-IR with the aim of achieving systematically milliarcsecond resolution on stellar sources. We have demonstrated the burst mode of the…

Astrophysics · Physics 2009-11-13 A. Richichi , O. Fors , E. Mason , J. Stegmaier , T. Chandrasekhar

The absolute calibration of an air fluorescence detector (FD) is an important element in correctly determining the energy of detected cosmic rays. The absolute calibration relates the flux of photons of a given wavelength at the detector…

Astrophysics · Physics 2019-08-14 M. D. Roberts

One of the main goals of the COROT mission is to get precise photometric observations of selected bright stars in order to allow the modelling of their interior through asteroseismology. However, in order to interpret the…

Astrophysics · Physics 2009-11-11 M. Gillon , P. Magain

Satellite Laser Ranging (SLR) is an established technique providing very accurate position measurements of satellites in Earth orbit. However, despite decades of development, it remains a complex and expensive technology, which impedes its…

Instrumentation and Detectors · Physics 2024-01-31 Daniel Hampf , Felicitas Niebler , Tristan Meyer , Wolfgang Riede