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This study aims to improve the photometric calibration of astronomical photo plates. The Sonneberg Observatory's sky patrol was selected, comprising about 300,000 plates, and the digitization workflow is implemented using PyPlate. The…

Instrumentation and Methods for Astrophysics · Physics 2023-12-05 Maryam Raouph , Andreas Schrimpf , Peter Kroll

The Multi-site All-sky CAmeRA MASCARA is an instrument concept consisting of several stations across the globe, with each station containing a battery of low-cost cameras to monitor the near-entire sky at each location. Once all stations…

The Southern Photometric Local Universe Survey (S-PLUS) is a project to map $\sim9300$ sq deg of the sky using twelve bands (seven narrow and five broadbands). Observations are performed with the T80-South telescope, a robotic telescope…

Astrophysics of Galaxies · Physics 2024-07-31 Fabio R. Herpich , Felipe Almeida-Fernandes , Gustavo B. Oliveira Schwarz , Erik V. R. Lima , Lilianne Nakazono , Javier Alonso-García , Marcos A. Fonseca-Faria , Marilia J. Sartori , Guilherme F. Bolutavicius , Gabriel Fabiano de Souza , Eduardo A. Hartmann , Liana Li , Luna Espinosa , Antonio Kanaan , William Schoenell , Ariel Werle , Eduardo Machado-Pereira , Luis A. Gutiérrez-Soto , Thaís Santos-Silva , Analia V. Smith Castelli , Eduardo A. D. Lacerda , Cassio L. Barbosa , Hélio D. Perottoni , Carlos E. Ferreira Lopes , Raquel Ruiz Valença , Pierre Augusto Re Martho , Clecio R. Bom , Charles J. Bonatto , Maiara S. Carvalho , Vitor Cernic , Roberto Cid Fernandes , Paula Coelho , Ariana Cortesi , Barbara Cubillos Palma , Lia Doubrawa , Vincenzo Sivero Ferreira Alberice , Fredi Quispe Huaynasi , Gabriel Jacob Perin , Marcelo Jaque Arancibia , Angela Krabbe , Ciria Lima-Dias , Luis Lomelí-Núñez , Raimundo Lopes de Oliveira , Amanda R. Lopes , André Luiz Figueiredo , Elismar Lösch , Felipe Navarete , Julia Mello de Oliveira , Roderik Overzier , Vinicius M. Placco , Fernando V. Roig , Mariana Rubet , André Santos , Victor Hugo Sasse , Julia Thaina-Batista , Sergio Torres-Flores , Timothy C. Beers , Alvaro Alvarez-Candal , Stavros Akras , Swayamtrupta Panda , Guilherme Limberg , José Luis Nilo Castellón , Eduardo Telles , Paulo Afranio Lopes , Gissel Dayana Pardo Montaguth , Leandro Beraldo e Silva , Pedro K. Humire , Marcelo Borges Fernandes , Vinícius Cordeiro , Tiago Ribeiro , Claudia Mendes de Oliveira

Clio is an adaptive-optics camera mounted on the 6.5 meter MMT optimized for diffraction-limited L' and M-band imaging over a ~15'' field. The instrument was designed from the ground up with a large well-depth, fast readout thermal infrared…

Astrophysics · Physics 2009-11-11 S. Sivanandam , P. M. Hinz , A. N. Heinze , M. Freed , A. H. Breuninger

By the precise timing of the low amplitude (0.005 - 0.02 magnitude) transits of exoplanets around their parent star it should be possible to infer the presence of other planetary bodies in the system down to Earth-like masses. We describe…

Astrophysics · Physics 2008-09-22 I. A. Steele , S. D. Bates , N. Gibson , F. Keenan , J. Meaburn , C. J. Mottram , D. Pollacco , I. Todd

The Southern Photometric Local Universe Survey (S-PLUS) is a novel project that aims to map the Southern Hemisphere using a twelve filter system, comprising five broad-band SDSS-like filters and seven narrow-band filters optimized for…

In this paper we present HighRes: a laboratory demonstration of a 3U CubeSat with a deployable primary mirror that has the potential of achieving high-resolution imaging for Earth Observation. The system is based on a Cassegrain telescope…

The Javalambre Photometric Local Universe Survey (J-PLUS) is a 12-band photometric survey using the 83-cm JAST telescope. Data Release 3 includes 47.4 million sources. J-PLUS DR3 only provides star-galaxy classification so that quasars are…

The Transiting Exoplanet Survey Satellite (TESS) is surveying a large fraction of the sky, generating a vast database of photometric time series data that requires thorough analysis to identify exoplanetary transit signals. Automated…

Earth and Planetary Astrophysics · Physics 2025-04-15 Helem Salinas , Rafael Brahm , Greg Olmschenk , Richard K. Barry , Karim Pichara , Stela Ishitani Silva , Vladimir Araujo

PILOT (the Pathfinder for an International Large Optical Telescope) is a proposed 2.5 m optical/infrared telescope to be located at Dome C on the Antarctic plateau. Conditions at Dome C are known to be exceptional for astronomy. The seeing…

Platforms such as robots, security cameras, drones and satellites are used in multi-view imaging for three-dimensional (3D) recovery by stereoscopy or tomography. Each camera in the setup has a field of view (FOV). Multi-view analysis…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Vadim Holodovsky , Masada Tzabari , Yoav Schechner , Alex Frid , Klaus Schilling

The amount of data generated by Earth observation satellites can be enormous, which poses a great challenge to the satellite-to-ground connections with limited rate. This paper considers problem of efficient downlink communication of…

Signal Processing · Electrical Eng. & Systems 2023-11-28 Van-Phuc Bui , Thinh Q. Dinh , Israel Leyva-Mayorga , Shashi Raj Pandey , Eva Lagunas , Petar Popovski

PODIUM is a compact spacecraft navigation unit, currently being designed to provide interplanetary missions with autonomous position and velocity estimations. The unit will make use of Pulsar X-ray observations to measure the distance and…

The preparation of science objectives of the ESA's PLATO space mission will require the implementation of hare-and-hound exercises relying on the massive generation of representative simulated light-curves. We developed a light-curve…

Instrumentation and Methods for Astrophysics · Physics 2019-04-24 R. Samadi , A. Deru , D. Reese , V. Marchiori , E. Grolleau , J. J. Green , M. Pertenais , Y. Lebreton , S. Deheuvels , B. Mosser , K. Belkacem , A. Borner , A. M. S. Smith

Several payloads for hard X-ray (20-600 keV) imaging with coded aperture telescopes have been developed for balloon flight observations of cosmic x-ray sources. We briefly review the characteristics of these, particularly the EXITE2 system.…

Astrophysics · Physics 2009-10-30 Jonathan E. Grindlay

Solar-like oscillations have to date been observed in hundreds of main-sequence and sub-giant stars. However, only a handful of detections have been made in K-type dwarfs, using ground-based extreme precision radial velocity observations…

The Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) project is an instrument on the Subaru telescope that is pushing the frontiers of what is possible with ground-based high-contrast imaging of extrasolar planets. The system features…

Earth and Planetary Astrophysics · Physics 2019-06-07 Thayne Currie

Due to recent advances in nanosatellite technology, it is now feasible to integrate scintillators with an effective area of hundreds of square-centimeters on a single three-unit cubesat. We present the early test results for the digital…

Analyzing the planet at scale with satellite imagery and machine learning is a dream that has been constantly hindered by the cost of difficult-to-access highly-representative high-resolution imagery. To remediate this, we introduce here…

Image and Video Processing · Electrical Eng. & Systems 2025-06-03 Julien Cornebise , Ivan Oršolić , Freddie Kalaitzis

The extension of 5G connectivity through Low-Earth Orbit satellite systems introduces significant technical challenges, particularly due to time-varying propagation delays and high Doppler shifts resulting from satellite motion. While the…