R. Stuik
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View article: Automated detection of satellite trails in ground-based observations using U-Net and Hough transform
Automated detection of satellite trails in ground-based observations using U-Net and Hough transform Open
Aims . The expansion of satellite constellations poses a significant challenge to optical ground-based astronomical observations, as satellite trails degrade observational data and compromise research quality. Addressing these challenges r…
View article: WEAVE First Light Observations: Origin and Dynamics of the Shock Front in Stephan’s Quintet
WEAVE First Light Observations: Origin and Dynamics of the Shock Front in Stephan’s Quintet Open
We present a detailed study of the large-scale shock front in Stephan’s Quintet, a by-product of past and ongoing interactions. Using integral-field spectroscopy from the new William Herschel Telescope Enhanced Area Velocity Explorer (WEAV…
View article: Automated Detection of Satellite Trails in Ground-Based Observations Using U-Net and Hough Transform
Automated Detection of Satellite Trails in Ground-Based Observations Using U-Net and Hough Transform Open
The expansion of satellite constellations poses a significant challenge to optical ground-based astronomical observations, as satellite trails degrade observational data and compromise research quality. Addressing these challenges requires…
View article: The <i>β</i> Pictoris b Hill sphere transit campaign
The <i>β</i> Pictoris b Hill sphere transit campaign Open
The β Pictoris system is the closest known stellar system with directly detected gas giant planets, an edge-on circumstellar disc, and evidence of falling sublimating bodies and transiting exocomets. The inner planet, β Pictoris c, has als…
View article: The Surface Composition of Six Newly Discovered Chemically Peculiar Stars. Comparison to the HgMn Stars mu Lep and beta Scl and the Superficially Normal B Star nu Cap
The Surface Composition of Six Newly Discovered Chemically Peculiar Stars. Comparison to the HgMn Stars mu Lep and beta Scl and the Superficially Normal B Star nu Cap Open
We report on a detailed abundance study of six bright, mostly southern, slowly rotating late B-stars: HD 1279 (B8III), HD 99803 (B9V), HD 123445 (B9V), HD 147550 (B9V), HD 171961 (B8III), and HD 202671 (B5II/III), hitherto reported as norm…
View article: BU Canis Minoris – the most compact known flat doubly eclipsing quadruple system
BU Canis Minoris – the most compact known flat doubly eclipsing quadruple system Open
We have found that the 2+2 quadruple star system BU CMi is currently the most compact quadruple system known, with an extremely short outer period of only 121 d. The previous record holder was TIC 219006972 (Kostov et al.), with a period o…
View article: BU Canis Minoris -- the Most Compact Known Flat Doubly Eclipsing Quadruple System
BU Canis Minoris -- the Most Compact Known Flat Doubly Eclipsing Quadruple System Open
We have found that the 2+2 quadruple star system BU CMi is currently the most compact quadruple system known, with an extremely short outer period of only 121 days. The previous record holder was TIC 219006972 (Kostov et al. 2023), with a …
View article: The surface composition of six newly discovered chemically peculiar stars. Comparison to the HgMn stars $μ$ Lep and $β$ Scl and the superficially normal B star $ν$ Cap
The surface composition of six newly discovered chemically peculiar stars. Comparison to the HgMn stars $μ$ Lep and $β$ Scl and the superficially normal B star $ν$ Cap Open
We report on a detailed abundance study of six bright, mostly southern, slowly rotating late B stars: HD~1279 (B8III), HD~99803 (B9V), HD~123445 (B9V), HD~147550 (B9V), HD~171961 (B8III) and HD~202671 (B5II/III), hitherto reported as norma…
View article: METIS: final design of the Imager sub-system
METIS: final design of the Imager sub-system Open
METIS, the Mid-infrared Imager and Spectrograph for the Extremely Large Telescope (ELT), is one of the three first generation science instruments and about to complete its final design phase [1]. The Imager sub-system provides diffraction-…
View article: Status update on the development of METIS, the mid-infrared ELT imager and spectrograph
Status update on the development of METIS, the mid-infrared ELT imager and spectrograph Open
editorial reviewed
View article: The <i>β</i>Pictoris b Hill sphere transit campaign
The <i>β</i>Pictoris b Hill sphere transit campaign Open
Aims. Photometric monitoring of β Pic in 1981 showed anomalous fluctuations of up to 4% over several days, consistent with foreground material transiting the stellar disk. The subsequent discovery of the gas giant planet β Pic b and the pr…
View article: Warm calibration unit of the mid-infrared E-ELT instrument METIS: overview and current status of the project
Warm calibration unit of the mid-infrared E-ELT instrument METIS: overview and current status of the project Open
The warm calibration unit (WCU) is one subsystem of the future METIS instrument on the European Extremely Large Telescope (E-ELT). Operating at daytime temperature, the WCU is mounted above the main cryostat of METIS and will be employed a…
View article: METIS high-contrast imaging: design and expected performance (Erratum)
METIS high-contrast imaging: design and expected performance (Erratum) Open
The Journal of Astronomical Telescopes, Instruments, and Systems (JATIS) publishes peer-reviewed papers reporting on original research in the development, testing, and application of telescopes, instrumentation, techniques, and syst…
View article: Using all-sky optical observations for automated orbit determination and\n prediction for satellites in Low Earth Orbit
Using all-sky optical observations for automated orbit determination and\n prediction for satellites in Low Earth Orbit Open
We have used an existing, robotic, multi-lens, all-sky camera system, coupled\nto a dedicated data reduction pipeline, to automatically determine orbital\nparameters of satellites in Low Earth Orbit (LEO). Each of the fixed cameras\nhas a …
View article: Using all-sky optical observations for automated orbit determination and prediction for satellites in Low Earth Orbit
Using all-sky optical observations for automated orbit determination and prediction for satellites in Low Earth Orbit Open
We have used an existing, robotic, multi-lens, all-sky camera system, coupled to a dedicated data reduction pipeline, to automatically determine orbital parameters of satellites in Low Earth Orbit (LEO). Each of the fixed cameras has a Fie…
View article: The MASCARA and bRing photometric monitoring networks
The MASCARA and bRing photometric monitoring networks Open
View article: MASCARA-3b
MASCARA-3b Open
We report the discovery of MASCARA-3b, a hot Jupiter orbiting its bright ( V = 8.33) late F-type host every 5.55149 ± 0.00001 days in an almost circular orbit ( e = 0.050 −0.017 +0.020 ). This is the fourth exoplanet discovered with the Mu…
View article: MASCARA and bRing, finding bright transiting planets and synergies with TESS
MASCARA and bRing, finding bright transiting planets and synergies with TESS Open
View article: Results from the Beta Pictoris b Hill Sphere Transit Campaign
Results from the Beta Pictoris b Hill Sphere Transit Campaign Open
View article: Photometric results of the β Pictoris b Hill sphere transit as observed by bRing, ASTEP, BRITE, and the HST
Photometric results of the β Pictoris b Hill sphere transit as observed by bRing, ASTEP, BRITE, and the HST Open
View article: Bright Southern Variable Stars in the bRing Survey
Bright Southern Variable Stars in the bRing Survey Open
The corresponding data and plots for the 353 variables in the comprehensive survey of bright stars from the bRing telescopes. The paper has been accepted to the Astrophysical Journal Supplemental Series (July 27, 2019). An arXiv pre-print …
View article: Bright Southern Variable Stars in the bRing Survey
Bright Southern Variable Stars in the bRing Survey Open
The corresponding data and plots for the 353 variables in the comprehensive survey of bright stars from the bRing telescopes. The paper has been accepted to the Astrophysical Journal Supplemental Series (July 27, 2019). An arXiv pre-print …
View article: Discovery of δ Scuti Pulsations in the Young Hybrid Debris Disk Star HD 156623
Discovery of δ Scuti Pulsations in the Young Hybrid Debris Disk Star HD 156623 Open
The bRing robotic observatory network was built to search for circumplanetary material within the transiting Hill sphere of the exoplanet β Pic b across its bright host star β Pic. During the bRing survey of β Pic, it simultaneously monito…
View article: Studying bright variable stars with the Multi-site All-Sky CAmeRA (MASCARA)
Studying bright variable stars with the Multi-site All-Sky CAmeRA (MASCARA) Open
\n\t\t\t\tContext. The Multi-site All-Sky CAmeRA (MASCARA) aims to find the brightest transiting planet systems by monitoring the full sky at magnitudes 4 < V < 8.4, taking data every 6.4 s. The northern station has been operational on La …
View article: Final characterisation and design of the Gamma-ray Cherenkov Telescope (GCT) for the Cherenkov telescope array
Final characterisation and design of the Gamma-ray Cherenkov Telescope (GCT) for the Cherenkov telescope array Open
The Gamma-ray Cherenkov Telescope (GCT) is one of the telescopes proposed for the Small Sized Telescope (SST) section of CTA. Based on a dual-mirror Schwarzschild-Couder design, which allows for more compact telescopes and cameras than the…
View article: VPHGs for WEAVE: design, manufacturing and characterization
VPHGs for WEAVE: design, manufacturing and characterization Open
International audience
View article: MASCARA-1 b
MASCARA-1 b Open
sponsorship: STFC|ST/P000495/1
View article: MASCARA-2 b: A hot Jupiter transiting a $m_V=7.6$ A-star
MASCARA-2 b: A hot Jupiter transiting a $m_V=7.6$ A-star Open
In this paper we present MASCARA-2 b, a hot Jupiter transiting the $m_V=7.6$ A2 star HD 185603. Since early 2015, MASCARA has taken more than 1.6 million flux measurements of the star, corresponding to a total of almost 3000 hours of obser…
View article: The Multi-site All-Sky CAmeRA (MASCARA)
The Multi-site All-Sky CAmeRA (MASCARA) Open
\n This paper describes the design, operations, and performance of the Multi-site All-Sky CAmeRA (MASCARA). Its primary goal is to find new exoplanets transiting bright stars, 4 < mV < 8, by monitoring the full sky. MASCARA consists of one…
View article: The Multi-site All-Sky CAmeRA: Finding transiting exoplanets around bright ($m_V < 8$) stars
The Multi-site All-Sky CAmeRA: Finding transiting exoplanets around bright ($m_V < 8$) stars Open
This paper describes the design, operations, and performance of the Multi-site All-Sky CAmeRA (MASCARA). Its primary goal is to find new exoplanets transiting bright stars, $4 < m_V < 8$, by monitoring the full sky. MASCARA consists of one…