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200 papers

For a systematic assessment of submillimeter observing conditions at different sites, we constructed tipping radiometers to measure the broad band atmospheric transparency in the window around 350 $\mu$m wavelength. The tippers were…

Instrumentation and Methods for Astrophysics · Physics 2016-06-22 Simon J. E. Radford , Jeffery B. Peterson

Using the Submillimeter Array (SMA) on Mauna Kea, the H2-16O 10_2,9-9_3,6 transition (E_up=1863K) at 321.2 GHz has been detected toward the embedded low-mass protostar HL Tau. The line centroid is blue-shifted by 15 km/s with respect to the…

Solar and Stellar Astrophysics · Physics 2016-05-25 Lars E. Kristensen , Joanna M. Brown , David Wilner , Colette Salyk

Remote magnetic sensing can be used to monitor the position of objects in real-time, enabling ground transport monitoring, underground infrastructure mapping and hazardous detection. However, magnetic signals are typically weak and complex,…

Results of measurements of the longitudinal magnetic field in a hot accretion spot in three classical T Tauri stars (CTTS) are presented. The magnetic field in the formation region of the narrow component of the emission line HeI 5876 {\AA}…

Solar and Stellar Astrophysics · Physics 2015-06-15 A. V. Dodin , S. A. Lamzin , G. A. Chountonov

We present the instrumentation, the target selection method, the data analysis pipeline and the preliminary results of the Thessaloniki Research for Transits project (ThReT). ThReT is a new project aiming to discover Hot Jupiter Planets,…

Earth and Planetary Astrophysics · Physics 2010-01-29 John Antoniadis , Vassilis Karamanavis , Dimitris Mislis , Athanasios Nitsos , John H. Seiradakis

The observation of our home galaxy, the Milky Way (MW), is made difficult by our internal viewpoint. The Gaia survey that contains around 1.6 billion star distances is the new flagship of MW structure and can be combined with other…

Astrophysics of Galaxies · Physics 2020-12-15 David Cornu

25,600 3-inch PMTs will be installed in Jiangmen Underground Neutrino Observatory (JUNO) to achieve more precise energy calibration and to extend the physics detection potential. Performances of all bare PMTs have been characterized and…

Instrumentation and Detectors · Physics 2022-04-07 Diru Wu , Jilei Xu , Miao He , Zhimin Wang , Ziliang Chu

We present an application of machine-learning (ML) techniques to source selection in the optical transient survey data with Hyper Suprime-Cam (HSC) on the Subaru telescope. Our goal is to select real transient events accurately and in a…

Instrumentation and Methods for Astrophysics · Physics 2016-10-26 Mikio Morii , Shiro Ikeda , Nozomu Tominaga , Masaomi Tanaka , Tomoki Morokuma , Katsuhiko Ishiguro , Junji Yamato , Naonori Ueda , Naotaka Suzuki , Naoki Yasuda , Naoki Yoshida

In the spirit of historic astronomical endeavors, we invited school groups across the globe to collaborate in a solar distance measurement using the rare June 5/6th transit of Venus. In total, we recruited 19 school groups spread over 6…

Earth and Planetary Astrophysics · Physics 2015-06-11 Jacqueline K. Faherty , David R. Rodriguez , Scott T. Miller

The NEMO Collaboration installed an underwater detector including most of the critical elements of a possible km$^3$ neutrino telescope: a four-floor tower (called Mini-Tower) and a Junction Box, including the data transmission, the power…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 Carla Distefano

Over the past decade, time-domain astronomy in optical bands has developed rapidly with the operations of some wide-field survey facilities. However, most of these surveys are conducted with only a single band, and simultaneous color…

Despite the significant progress made in studying the lightning phenomenon, precise location and mapping of its occurrence remain a challenge. Lightning mapping can be determined by studying the electromagnetic radiation accompanying the…

Signal Processing · Electrical Eng. & Systems 2020-06-02 Ammar Alammari , Ammar Ahmed Alkahtani , Mohd Riduan Ahmad , Fuad M. Noman , Mona Riza Mohd Esa , Zen Kawasaki , Sieh Kiong Tiong

In the field of astronomy, Maunakea is known as a prestigious site for observing and science. In Native Hawaiian culture, Maunakea is revered as the connection between past, present, and future generations and their ancestral lands of…

Physics Education · Physics 2020-04-30 Heather Kaluna , Mailani Neal , Makana Silva , Tyler Trent

The selection of a landing site within the Artemis Exploration Zone (AEZ) involves multiple factors and presents a complex problem. This study evaluates potential landing sites for the Artemis III mission using a combination of Geographic…

Earth and Planetary Astrophysics · Physics 2024-10-23 Eloy Peña-Asensio , Álvaro-Steve Neira-Acosta , Juan Miguel Sánchez-Lozano

This paper presents the science potential of a deep ocean antineutrino observatory being developed at Hawaii and elsewhere. The observatory design allows for relocation from one site to another. Positioning the observaory some 60 km distant…

High Energy Physics - Experiment · Physics 2015-05-13 M. Batygov , S. T. Dye , J. G. Learned , S. Matsuno , S. Pakvasa , G. Varner

The proliferation of near-infrared (1--5 $\mu$m) photometric systems over the last 30 years has made the comparison of photometric results difficult. In an effort to standardize infrared filters in use, the Mauna Kea Observatories…

Astrophysics · Physics 2007-05-23 A. T. Tokunaga W. D. Vacca

The T2K (Tokai to Kamioka) experiment is a second generation long baseline neutrino oscillation experiment located in Japan. The main goal is to probe the $\theta_{13}$ neutrino mixing parameter by looking for $\nu_{\mu}\to\nu_e$…

High Energy Physics - Experiment · Physics 2019-08-14 Alexander Izmaylov

The Faulkes Telescope Project is an educational and research arm of the Las Cumbres Observatory Global Telescope Network (LCOGTN). It has two 2-metre robotic telescopes, located at Haleakala on Maui (FT North) and Siding Spring in Australia…

Astrophysics · Physics 2008-11-17 Fraser Lewis , David M. Russell , Rob P. Fender , Paul Roche , J. Simon Clark

The Submillimeter Array (SMA) is an array of 8 antennas operating at millimeter and submillimeter wavelengths on Maunakea, Hawaii, operated by the Smithsonian Astrophysical Observatory and Academia Sinica Institute of Astronomy and…