Search Results - "Bonse, Markus. J"
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Comparing Apples with Apples: Robust Detection Limits for Exoplanet High-contrast Imaging in the Presence of Non-Gaussian Noise
Published in The Astronomical journal (01-08-2023)“…Over the past decade, hundreds of nights have been spent on the world’s largest telescopes to search for and directly detect new exoplanets using high-contrast…”
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Chasing rainbows and ocean glints: Inner working angle constraints for the Habitable Worlds Observatory
Published in Monthly notices of the Royal Astronomical Society (29-07-2023)“…ABSTRACT NASA is engaged in planning for a Habitable Worlds Observatory (HabWorlds ), a coronagraphic space mission to detect rocky planets in habitable zones…”
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ISPY-NACO Imaging Survey for Planets around Young stars. The demographics of forming planets embedded in protoplanetary disks
Published 28-11-2022“…A&A 669, A145 (2023) We present the statistical analysis of a subsample of 45 young stars surrounded by protoplanetary disks (PPDs). This is the largest…”
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Use the 4S (Signal-Safe Speckle Subtraction): Explainable Machine Learning reveals the Giant Exoplanet AF Lep b in High-Contrast Imaging Data from 2011
Published 03-06-2024“…The main challenge of exoplanet high-contrast imaging (HCI) is to separate the signal of exoplanets from their host stars, which are many orders of magnitude…”
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Chasing rainbows and ocean glints: Inner working angle constraints for the Habitable Worlds Observatory
Published in Monthly notices of the Royal Astronomical Society (2023)“…NASA is engaged in planning for a Habitable Worlds Observatory (HabWorlds ), a coronagraphic space mission to detect rocky planets in habitable zones and…”
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Half-sibling regression meets exoplanet imaging: PSF modeling and subtraction using a flexible, domain knowledge-driven, causal framework
Published 07-04-2022“…A&A 666, A9 (2022) High-contrast imaging of exoplanets hinges on powerful post-processing methods to denoise the data and separate the signal of a companion…”
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The VLT/ERIS vortex coronagraph: design, pointing control, and on-sky performance
Published 19-07-2024“…Proceedings of the SPIE, Volume 13097, id. 13097-42 (2024) The Enhanced Resolution Imager and Spectrograph (ERIS) is the new near-infrared instrument at the…”
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Machine Learning for Exoplanet Detection in High-Contrast Spectroscopy: Revealing Exoplanets by Leveraging Hidden Molecular Signatures in Cross-Correlated Spectra with Convolutional Neural Networks
Published 22-05-2024“…A&A 689, A143 (2024) The new generation of observatories and instruments (VLT/ERIS, JWST, ELT) motivate the development of robust methods to detect and…”
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Comparing Apples with Apples: Robust Detection Limits for Exoplanet High-Contrast Imaging in the Presence of non-Gaussian Noise
Published 21-03-2023“…Over the past decade, hundreds of nights have been spent on the worlds largest telescopes to search for and directly detect new exoplanets using high-contrast…”
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VLTI/GRAVITY Observations of AF Lep b: Preference for Circular Orbits, Cloudy Atmospheres, and a Moderately Enhanced Metallicity
Published 08-11-2024“…Direct imaging observations are biased towards wide-separation, massive companions that have degenerate formation histories. Although the majority of…”
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Exoplanet Imaging Data Challenge, phase II: Comparison of algorithms in terms of characterization capabilities
Published 23-10-2024“…In this communication, we report on the results of the second phase of the Exoplanet Imaging Data Challenge started in 2019. This second phase focuses on the…”
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CROCODILE \\ Incorporating medium-resolution spectroscopy of close-in directly imaged exoplanets into atmospheric retrievals via cross-correlation
Published 19-09-2023“…A&A 678, A178 (2023) The investigation of the atmospheres of closely separated, directly imaged gas giant exoplanets is challenging due to the presence of…”
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Physically constrained causal noise models for high-contrast imaging of exoplanets
Published 12-10-2020“…The detection of exoplanets in high-contrast imaging (HCI) data hinges on post-processing methods to remove spurious light from the host star. So far, existing…”
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Wavelet based speckle suppression for exoplanet imaging - Application of a de-noising technique in the time domain
Published 13-04-2018“…Context. High-contrast exoplanet imaging is a rapidly growing field as can be seen through the significant resources invested. In fact, the detection and…”
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Chasing rainbows and ocean glints: Inner working angle constraints for the Habitable Worlds Observatory
Published 27-07-2023“…NASA is engaged in planning for a Habitable Worlds Observatory (HabWorlds), a coronagraphic space mission to detect rocky planets in habitable zones and…”
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PynPoint: a modular pipeline architecture for processing and analysis of high-contrast imaging data
Published 24-01-2019“…A&A 621, A59 (2019) The direct detection and characterization of planetary and substellar companions at small angular separations is a rapidly advancing field…”
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First on-sky results of ERIS at VLT
Published 04-01-2023“…ERIS (Enhanced Resolution Imager and Spectrograph) is a new adaptive optics instrument installed at the Cassegrain focus of the VLT-UT4 telescope at the…”
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