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We are describing a new multi-fibre positioner, MEFOS, that was in general use at the La Silla Observatory, and implemented at the prime focus of the ESO 3.6 m telescope. It is an arm positioner using 29 arms in a one degree field. Each arm…

Astrophysics · Physics 2009-09-25 P. Felenbok , J. Guérin , A. Fernandez , V. Cayatte , C. Balkowski , R. C. Kraan-Korteweg

We consider a binary hypothesis testing problem using Wireless Sensor Networks (WSNs). The decision is made by a fusion center and is based on received data from the sensors. We focus on a spectrum and energy efficient transmission scheme…

Information Theory · Computer Science 2018-11-14 Kobi Cohen , Amir Leshem

We present two novel designs for a telescope suitable for massively-multiplexed spectroscopy. The first is a very wide field Cassegrain telescope optimised for fibre feeding. It provides a Field Of View (FOV) of 2.5 degrees diameter with a…

Instrumentation and Methods for Astrophysics · Physics 2016-11-23 L. Pasquini , B. Delabre , R. Ellis , T. de Zeeuw

The PANOSETI experiment is an all-sky, all-the-time visible search for nanosecond to millisecond time-scale transients. The experiment will deploy observatory domes at several sites, each dome containing ~45 telescopes and covering ~4,440…

Mini-EUSO is a compact telescope ($37 \times 37 \times 62$~cm$^3$) currently hosted on board the International Space Station. Mini-EUSO is devoted primarily to study Ultra High Energy Cosmic Rays (UHECR) above $10^{21}$~eV but also to…

Instrumentation and Methods for Astrophysics · Physics 2022-01-10 G. Cambié , A. Belov , F. Capel , M. Casolino , A. Franceschi , P. Klimov , L. Marcelli , T. Napolitano , P. Picozza , L. W. Piotrowski , E. Reali , M. Ricci

This paper introduces SenPa-MAE, a transformer architecture that encodes the sensor parameters of an observed multispectral signal into the image embeddings. SenPa-MAE can be pre-trained on imagery of different satellites with non-matching…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Jonathan Prexl , Michael Schmitt

The current STELLA Echelle spectrograph (SES), which records 390nm to 870nm in one shot at a spectral resolution of 55000, will be replaced by a suite of specialized spectrographs in three spectral bands. The UV will be covered by a newly…

Instrumentation and Methods for Astrophysics · Physics 2020-12-16 Michael Weber , Manfred Woche , Klaus G. Strassmeier , Ilya Ilyin , Arto Järvinen

This paper introduces a multiscale maximum entropy (MSME) algorithm for image restoration of the Hard X-ray Modulation Telescope (HXMT), which is a collimated scan X-ray satellite mainly devoted to a sensitive all-sky survey and pointed…

Instrumentation and Methods for Astrophysics · Physics 2016-06-03 Ju Guan , Li-Ming Song , Zhuo-Xi Huo

The Extreme Physics Explorer (EPE) is a concept timing/spectroscopy mission that would use micro-channel plate optics (MCPO) to provide 4 square meters effective area focused to ~1 arc-min onto an X-ray calorimeter. We describe science…

The Canadian Hydrogen Intensity Mapping Experiment (CHIME) is an ambitious new radio telescope project for measuring cosmic expansion and investigating dark energy. Keeping good records of both physical configuration of its 1280 antennas…

Instrumentation and Methods for Astrophysics · Physics 2014-10-31 Adam D. Hincks , J. Richard Shaw

MIRC-X is a new beam combination instrument at the CHARA array that enables 6-telescope interferometric imaging on object classes that until now have been out of reach for milliarcsecond-resolution imaging. As part of an instrumentation…

The High Resolution Camera (HRCam) speckle imager at the 4.1 m Southern Astrophysical Research telescope is a highly productive instrument that has accumulated about 40K observations to date. Its performance (detected flux, level of the…

Instrumentation and Methods for Astrophysics · Physics 2024-08-23 Andrei Tokovinin

The Simons Observatory (SO) will be a cosmic microwave background (CMB) survey experiment with three small-aperture telescopes and one large-aperture telescope, which will observe from the Atacama Desert in Chile. In total, SO will field…

The Murchison Widefield Array (MWA) is a low-frequency aperture array capable of high-time and frequency resolution astronomy applications such as pulsar studies. The large field-of-view of the MWA (hundreds of square degrees) can also be…

Instrumentation and Methods for Astrophysics · Physics 2022-05-18 N. A. Swainston , N. D. R. Bhat , I. S. Morrison , S. J. McSweeney , S. M. Ord , S. E. Tremblay , M. Sokolowski

We have designed, constructed and optimized a novel cell for micro photoacoustic (microPA) spectroscopy (microPAS) as part of a collaboration between the Canadian Light Source and Natural Resources Canada. The cell allows inspection of…

Instrumentation and Detectors · Physics 2018-02-22 Kirk Michaelian , Chris Kelley , Tor Pedersen , Mark Frogley , Timothy May , Luca Quaroni , Gianfelice Cinque

We present a description of a new 1--5 $\mu$m filter set similar to the long-used JHKLM filter set derived from that of Johnson. The new Mauna Kea Observatories Near-Infrared (MKO-NIR) filter set is designed to reduce background noise,…

Astrophysics · Physics 2009-11-07 A. T. Tokunaga , D. A. Simons , W. D. Vacca

An important tool for the development of the next generation of extremely large telescopes (ELTs) is a robust Systems Engineering (SE) methodology. GMACS is a first-generation multi-object spectrograph that will work at visible wavelengths…

Instrumentation and Methods for Astrophysics · Physics 2018-08-28 D. M. Faes , A. Souza , C. Froning , L. Schmidt , D. Bortoletto , E. Cook , D. L. DePoy , T. -G. Ji , D. Jones , H. -I. Lee , J. L. Marshall , C. M. Oliveira , S. Pak , C. Papovich , T. Prochaska , R. Ribeiro , K. Taylor