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We present a technique for verifying or refuting exoplanet candidates from the Transiting Exoplanet Survey Satellite (TESS) mission by searching for nearby eclipsing binary stars using higher-resolution archival images from ground-based…

地球与行星天体物理 · 物理学 2023-12-14 Gabrielle Ross , Andrew Vanderburg , Zoë L. de Beurs , Karen A. Collins , Rob J. Siverd , Kevin Burdge

Accurate and efficient object detection is crucial for safe and efficient operation of earth-moving equipment in mining. Traditional 2D image-based methods face limitations in dynamic and complex mine environments. To overcome these…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Mehala Balamurali , Ehsan Mihankhah

The astrometric and radial velocity techniques of extra-solar planet detection attempt to detect the periodic reflex motion of the parent star by extracting this periodic signal from a time-sampled set of observations. The extraction is…

天体物理学 · 物理学 2009-11-07 J. A. Eisner , S. R. Kulkarni

The paper deals with a computational method for detection of the solar system minor bodies (SSOs), whose inter-frame shifts in series of CCD-frames during the observation are commensurate with the errors in measuring their positions. These…

We introduce a new technique for imaging the polarized radio sky using interferometric data. The new approach, which we call Faraday synthesis, combines aperture and rotation measure synthesis imaging and deconvolution into a single…

天体物理仪器与方法 · 物理学 2015-06-03 M. R. Bell , T. A. Enßlin

Computer vision technologies markedly enhance the automation capabilities of robotic-assisted minimally invasive surgery (RAMIS) through advanced tool tracking, detection, and localization. However, the limited availability of comprehensive…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Tianle Zeng , Gerardo Loza Galindo , Junlei Hu , Pietro Valdastri , Dominic Jones

We present an approach for utilizing astrometric orbit information to improve the yield of planetary images and spectra from a follow-on direct detection mission. This approach is based on the notion-strictly hypothetical-that if a…

天体物理仪器与方法 · 物理学 2015-05-20 John M. Davidson

The taxonomic classification of asteroids has been mostly based on spectroscopic observations with wavelengths spanning from the VIS to the NIR. VIS-NIR spectra of $\sim$2500 asteroids have been obtained since the 1970s; the SDSS MOC 4 was…

地球与行星天体物理 · 物理学 2022-08-10 Dong-Goo Roh , Hong-Kyu Moon , Min-Su Shin , Francesca E. DeMeo

The Large Synoptic Survey Telescope (LSST) will be a ground-based, optical, all-sky, rapid cadence survey project with tremendous potential for discovering and characterizing asteroids. With LSST's large 6.5m diameter primary mirror, a wide…

天体物理仪器与方法 · 物理学 2016-03-16 R. Lynne Jones , Mario Juric , Zeljko Ivezic

We use a large data-set of realistic synthetic observations (PaperI) to assess how observational techniques affect the measurement of physical properties of star-forming regions. In this paper (PaperII), we explore the reliability of the…

太阳与恒星天体物理 · 物理学 2017-11-01 Christine M. Koepferl , Thomas P. Robitaille , James E. Dale

We present the discovery of a new satellite of asteroid (130) Elektra - S/2014 (130) 1 - in differential imaging and in integral field spectroscopy data over multiple epochs obtained with SPHERE/VLT. This new (second) moonlet of Elektra is…

地球与行星天体物理 · 物理学 2016-04-13 B. Yang , Z. Wahhaj , L. Beauvalet , F. Marchis , C. Dumas , M. Marsset , E. L. Nielsen , F. Vachier

With the inception of gravitational wave astronomy, astrophysical studies using interferometric techniques have begun to probe previously unknown parts of the universe. In this work, we investigate the potential of a new interferometric…

地球与行星天体物理 · 物理学 2022-03-30 Andrew G. Sullivan , Doğa Veske , Zsuzsa Márka , Imre Bartos , Szabolcs Márka

In this, the third in a series of three papers concerning the SuperCOSMOS Sky Survey, we describe the astrometric properties of the database. We describe the algorithms employed in the derivation of the astrometric parameters of the data,…

天体物理学 · 物理学 2016-01-13 Nigel Hambly , Clive Davenhall , Mike Irwin , Harvey MacGillivray

The continuing monitoring and surveying of the nearby space to detect Near Earth Objects (NEOs) and Near Earth Asteroids (NEAs) are essential because of the threats that this kind of objects impose on the future of our planet. We need more…

天体物理仪器与方法 · 物理学 2019-01-15 V. Bacu , A. Sabou , T. Stefanut , D. Gorgan , O. Vaduvescu

Meteoroids entering the Earth's atmosphere can be observed as meteors, thereby providing useful information on their formation and hence on their parent bodies. We developed a data reduction software package for double station meteor data…

天体物理仪器与方法 · 物理学 2018-10-24 A. Margonis , A. Christou , J. Oberst

We describe the development of a system for an automated, iterative, real-time classification of transient events discovered in synoptic sky surveys. The system under development incorporates a number of Machine Learning techniques, mostly…

天体物理仪器与方法 · 物理学 2011-10-24 S. G. Djorgovski , C. Donalek , A. Mahabal , B. Moghaddam , M. Turmon , M. Graham , A. Drake , N. Sharma , Y. Chen

Knowledge of the interior density distribution of an asteroid can reveal its composition and constrain its evolutionary history. However, most asteroid observational techniques are not sensitive to interior properties. We investigate the…

地球与行星天体物理 · 物理学 2022-10-20 Jack T Dinsmore , Julien de Wit

The CoRoT short asteroseismic runs give us the opportunity to observe a large variety of late-type stars through their solar-like oscillations. We report the observation and modeling of the F5V star HD 175272. Our aim is to define a method…

An algorithm based on compressive sensing (CS) is proposed for synthetic aperture radar (SAR) imaging of moving targets. The received SAR echo is decomposed into the sum of basis sub-signals, which are generated by discretizing the target…

信息论 · 计算机科学 2011-04-07 Jun Wang , Gang Li , Hao Zhang , Xiqin Wang

We propose a semi-automatic bounding box annotation method for visual object tracking by utilizing temporal information with a tracking-by-detection approach. For detection, we use an off-the-shelf object detector which is trained…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Kutalmis Gokalp Ince , Aybora Koksal , Arda Fazla , A. Aydin Alatan