Results 11 to 20 of about 4,967 (311)

Astro MBSE: model based system engineering synthesized for the Italian astronomical community [PDF]

, 2022
Systems Engineering requires the involvement of different engineering disciplines: Software, Electronics, Mechanics (often nowadays together as Mechatronics), Optics etc. Systems Engineering of Astronomical Instrumentation is no exception to this.
RIVA, Marco, XOMPERO, Marco, ZANUTTA, Alessio, BALESTRA, Andrea, GENONI, Matteo, SCALERA, Marcello Agostino, DINUZZI, Giacomo, BRIGUGLIO PELLEGRINO, Runa Antonio, FIERRO, Davide   +8 more
core   +1 more source

Astrophotonics: photonic integrated circuits for astronomical instrumentation [PDF]

, 2023
Photonic Integrated Circuits (PIC) are best known for their important role in the telecommunication sector, e.g. high speed communication devices in data centers.
Eloy Hernandez (10744509), Daniel Bodenmueller (14626256), Alan Guenther (14626262), Stella Vjesnica (14626265), Aashia Rahman (14626259), Kalaga Madhav (10744521), Andreas Stoll (11558755), Aline Dinkelaker (3962243), Martin M. Roth (14385768)   +8 more
core   +1 more source

Focal Ratio Degradation for Fiber Positioner Operation in Astronomical Spectrographs [PDF]

, 2019
© 2019 The Author(s). Focal ratio degradation (FRD), the decrease of light's focal ratio between the input into an optical fiber and the output, is important to characterize for astronomical spectrographs due to its effects on throughput and the point ...
Seiffert, M, Gunn, James E, Roberts, M, Reiley, D, De Oliveira, AC, Belland, B, Cohen, J, Kirby, E, De Oliveira, LS   +8 more
core   +1 more source

The Stability of Fiber Spectrographs in the Faint-source Regime [PDF]

, 2022
The use of optical fibers in astronomical instrumentation offers high-multiplex and light-gathering flexibility. However, with most previous fiber spectrographs optimized for large fields of view on modest-aperture telescopes, the performance of fibers ...
Niv Drory, Poppett, Claire, Matthew Bershady, Drory, Niv, Renbin Yan, Devika Divakar, MacDonald, Nick, Divakar, Devika, David Law, Meng Gu, Bershady, Matthew, Claire Poppett, Westfall, Kyle B., Yan, Renbin, Kyle B. Westfall, Namrata Roy, Kevin Bundy, T. Sivarani, Bundy, Kevin, Roy, Namrata, Sivarani, T., Nick MacDonald, Gu, Meng, Law, David   +23 more
core   +1 more source

Advanced novel photonic instrumentation for adaptive and interferometric astronomy [PDF]

, 2020
New advanced photonic instrumentation previously developed for photonically controlled phased array antennas/radar work, is proposed for astronomical applications.
Riza, Nabeel A.
core   +1 more source

HARPS-N @ TNG, two year harvesting data : performances and results [PDF]

, 2014
The planet hunter HARPS-N[1], in operation at the Telescopio Nazionale Galileo (TNG)[13] from April 2012 is a highresolution spectrograph designed to achieve a very high radial velocity precision measurement thanks to an ultra stable environment and in a
Latham, D.W., Ian Hughes, David Henry, Bezawada, N., Fatemeh Motalebi, Glenday, A.G., Emilio Molinari, Michel Fleury, Pepe, F., Charles Maire, Phillips, D.F., Rosario Cosentino, Manuel Gonzalez, Figueira, P., Nicolas Buchschacher, Fleury, M., Gonzalez, M., Udry, S., Andrew C. Cameron, Cosentino, R., Francesco Pepe, Stephane Udry, Alexander G. Glenday, Pedro Figueira, Henry, D., Naidu Bezawada, Molinari, E., Adriano Ghedina, David Forrest Phillips, Maire, C., David W. Latham, Hughes, I., Jose Guerra, Christophe Lovis, Buchschacher, N., Motalebi, F., Lovis, C., Cameron, A.C., Guerra, J., Ghedina, A.   +39 more
core   +1 more source

Gemini's instrumentation program: Latest results and long-range plan [PDF]

, 2016
The Gemini Observatory is going through an extraordinary time with astronomical instrumentation. New powerful capabilities are delivered and are soon entering scientific operations.
Kleinman, S, Hanna, Kevin, Adamson, Andy, Perez, G, Walls, Brian, White, John K, Gonzalez, Patricio, Neichel, Benoit, Goodsell, Stephen, Christou, Julian, Boccas, Maxime, Hartung, Markus, Arriagada, Gustavo, Tollestrup, Eric, Lazo, Manuel   +14 more
core   +1 more source

Reduced-Precision Acceleration of Radio-Astronomical Imaging on Reconfigurable Hardware [PDF]

, 2022
Radio telescopes produce large volumes of data that need to be processed to obtain high-resolution sky images. This is a complex task that requires computing systems that provide both high performance and high energy efficiency.
Jordans, R., Awan, A.J., Boonstra, A.J., Romein, John W., Corda, Stefano, Kumar, A., Corporaal, Henk, Boonstra, Albert Jan, Veenboer, Bram, Jordans, Roel, Romein, J.W., Corda, S., Veenboer, B., Awan, Ahsan Javed, Kumar, Akash, Corporaal, H.   +15 more
core   +1 more source

Impact of PDP on Training for Astronomical Instrumentation [PDF]

, 2022
The Institute for Scientist and Engineer Educators (ISEE) Professional Development Program (PDP) has led to the generation of several activities geared toward training in astronomical instrumentation. These include activities developed for the Center for
Konopacky, Quinn, Lu, Jessica R, Lanz, Alicia, Do, Tuan   +3 more
core  

Orbital periods of cataclysmic variables identified by the SDSS. V, VLT, NTT and Magellan observations of nine equatorial systems [PDF]

, 2008
We present Very Large Telescope (VLT) and Magellan spectroscopy and New Technology Telescope photometry of nine faint cataclysmic variables (CVs) which were spectroscopically identified by the Sloan Digital Sky Survey (SDSS).
Hakala, P., Southworth, J., Torres, M. A. P., Mukadam, Anjum S., Steeghs, D., Copperwheat, C. M., Gaensicke, B. T., Aungwerojwit, A., Marsh, T. R.   +8 more
core   +1 more source