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The Zwicky Transient Facility is a new robotic-observing program, in which a newly engineered 600-MP digital camera with a pioneeringly large field of view, 47~square degrees, will be installed into the 48-inch Samuel Oschin Telescope at…

In this article we report the release of a new program for calculating the emissivity of atomic transitions. The program, which can be obtained with its documentation from our website www.scienceware.net, passed various rigorous tests and…

Atomic Physics · Physics 2010-05-12 Taha Sochi

Cold-start exploration is a core challenge in large-scale recommender systems: new or data-sparse items must receive traffic to estimate value, but over-exploration harms users and wastes impressions. In practice, Thompson Sampling (TS) is…

Machine Learning · Computer Science 2026-02-03 Zhenyu Zhao , David Zhang , Ellie Zhao , Ehsan Saberian

Orbit feedback system plays crucial roles for the operation of the 3rd generation light source. There are various issues in orbit feedback system should be addressed to achieve ultimate performance. The orbit feedback system in SRRC is…

Instrumentation and Detectors · Physics 2007-05-23 C. H. Kuo , Jenny Chen , C. J. Wang , K. H. Hu , C. S. Chen , K. T. Hsu

Here we describe the first light of the novel 9-channel wide-field optical monitoring system with sub-second temporal resolution, Mini-MegaTORTORA, which is being tested now at Special Astrophysical Observatory on Russian Caucasus. The…

Instrumentation and Methods for Astrophysics · Physics 2018-03-14 A. Biryukov , G. Beskin , S. Karpov , S. Bondar , E. Ivanov , E. Katkova , A. Perkov , V. Sasyuk

We propose and experimentally demonstrate a novel scheme to magneto-optically trap neutral atoms in a ring shaped trap that can be used to transfer atoms into a circular magnetic trap with high density. This inturn enables to evaporatively…

Other Condensed Matter · Physics 2007-05-23 Makoto Morinaga

The Wide-field Infrared Transient Explorer (WINTER) is a near-infrared time-domain survey instrument operating on a dedicated 1-meter robotic telescope at Palomar Observatory. The project takes advantage of recent technology advances in…

The Gemini Planet Imager (GPI) is an instrument designed for the Gemini South telescope to image young Jupiter-mass planets in the infrared. To achieve the high contrast needed for this, it employs an apodized pupil Lyot coronagraph (APLC)…

Instrumentation and Methods for Astrophysics · Physics 2011-02-11 Eric Cady , Bruce Macintosh , N. Jeremy Kasdin , Remi Soummer

When planning a survey for astronomical transients, many factors such as cadence, filter choice, sky coverage, and depth of observations need to be balanced in order to optimize the scientific gain of the survey. Here we present a software…

Instrumentation and Methods for Astrophysics · Physics 2019-10-09 Ulrich Feindt , Jakob Nordin , Mickael Rigault , Valéry Brinnel , Suhail Dhawan , Ariel Goobar , Marek Kowalski

The Swift mission, scheduled for launch in early 2004, is a multiwavelength observatory for gamma-ray burst (GRB) astronomy. It is the first-of-its-kind autonomous rapid-slewing satellite for transient astronomy and pioneers the way for…

We propose the concept of a space mission to probe the so called flyby anomaly, an unexpected velocity change experienced by some deep-space probes using earth gravity assists. The key feature of this proposal is the use of GNSS systems to…

Space Physics · Physics 2014-08-28 O. Bertolami , F. Francisco , P. J. S. Gil , J. Páramos

The reconstruction of a frequency with minimal delay from a sinusoidal signal is a common task in several fields; for example Ring Laser Gyroscopes, since their output signal is a beat frequency. While conventional methods require several…

The Stellar Observations Network Group (SONG) has obtained full funding for the design, construction and implementation of a prototype telescope and instrumentation package for the first network node. We describe the layout of such a node…

Solar and Stellar Astrophysics · Physics 2009-08-05 F. Grundahl , J. Christensen-Dalsgaard , H. Kjeldsen , U. G. Jørgensen , T. Arentoft , S. Frandsen , P. Kjærgaard

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) is under construction and will be commissioned in September 2016. A low frequency 7-beam receiver working around 400 MHz is proposed for FAST early science. It will be…

Instrumentation and Methods for Astrophysics · Physics 2014-05-20 Youling Yue , Di Li , Rendong Nan

A neutron time projection chamber can locate the approximate direction of a neutron hot spot with high efficiency and a 4{\pi} field of view. The angular resolution can be significantly improved by adding several plastic scintillation…

Instrumentation and Detectors · Physics 2019-07-11 Yidong Fu , Yang Tian , Yulan Li , Yigang Yang , Yiming Cai , Jian Yang , Jin Li

The Extrasolar Planet Search with PRIMA project (ESPRI) aims at characterising and detecting extrasolar planets by measuring the host star's reflex motion using the narrow-angle astrometry capability of the PRIMA facility at the Very Large…

The radioscience experiment is one of the on board experiment of the Mercury ESA mission BepiColombo that will be launched in 2014. The goals of the experiment are to determine the gravity field of Mercury and its rotation state, to…

General Relativity and Quantum Cosmology · Physics 2015-05-14 G. Tommei , A. Milani , D. Vokrouhlicky

We present the high-contrast image processing techniques used by the Gemini NICI Planet-Finding Campaign to detect faint companions to bright stars. NICI (Near Infrared Coronagraphic Imager) is an adaptive optics instrument installed on the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 Zahed Wahhaj , Michael C. Liu , Beth A. Biller , Eric L. Nielsen , Laird M. Close , Thomas L. Hayward , Markus Hartung , Mark Chun , Christ Ftaclas , Douglas W. Toomey

The Swift Gamma-Ray Burst Explorer is a uniquely capable mission, with three on-board instruments and rapid slewing capabilities. It serves as a fast-response satellite observatory for everything from gravitational-wave counterpart searches…

Instrumentation and Methods for Astrophysics · Physics 2018-10-22 Aaron Tohuvavohu

In the fall of 2015 the first scientific observing run (O1) of the advanced LIGO detectors will be conducted. Based on the recent commissioning progress at the LIGO Hanford and Livingston sites, the gravitational wave detector range for a…

High Energy Astrophysical Phenomena · Physics 2015-06-09 Jordan Camp , Lindy Blackburn , Michael Briggs , Nelson Christensen , Valerie Connaughton , Leo Singer , Peter Shawhan , John Veitch
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