Search filters

List of works by Markus Janson

A Discovery of a Candidate Companion to a Transiting System KOI-94: A Direct Imaging Study for a Possibility of a False Positive

A multiplicity census of intermediate-mass stars in Scorpius-Centaurus

scientific article published in the Astrophysical Journal

A scaled-up planetary system around a supernova progenitor

scientific article published in 2022

A super-Earth orbiting near the inner edge of the habitable zone around the M4.5 dwarf Ross 508

scientific article published in 2022

An adaptive optics multiplicity census of young stars in Upper Scorpius

scientific article published in the Astrophysical Journal

Atmospheric Characterization and Further Orbital Modeling of κ Andromeda b

scientific article published on 7 January 2020

Atmospheric characterization of terrestrial exoplanets in the mid-infrared: biosignatures, habitability, and diversity

scientific article published on 10 September 2021

Characterization of low-mass, wide-separation substellar companions to stars in Upper Scorpius: near-infrared photometry and spectroscopy

scientific article published in the Astrophysical Journal

Constraining the properties of HD 206893 B

scholarly article

Detecting life outside our solar system with a large high-contrast-imaging mission

Direct Imaging and Astrometric Discovery of a Superjovian Planet Orbiting an Accelerating Star

scientific article published on 14 April 2023

Direct imaging detection of methane in the atmosphere of GJ 504 b

scientific article published on 30 October 2013

Direct imaging of a cold jovian exoplanet in orbit around the sun-like star GJ 504

scientific article published in the Astrophysical Journal

Direct-imaging Discovery and Dynamical Mass of a Substellar Companion Orbiting an Accelerating Hyades Sun-like Star with SCExAO/CHARIS*

scientific article published on 27 July 2022

Discovery of a brown dwarf companion to the star HIP 64892

scientific article published in Astronomy and Astrophysics

Discovery of a planetary-mass companion within the gap of the transition disk around PDS 70

scientific article published in Astronomy and Astrophysics

Discovery of a warm, dusty giant planet around HIP 65426

scientific article published in 'Astronomy and Astrophysics' in September 2017

Dust production in the debris disk around HR 4796 A

scientific article

Dynamical masses of M-dwarf binaries in young moving groups

scientific article published in Astronomy and Astrophysics

Exploring the R CrA environment with SPHERE. Discovery of a new stellar companion

scientific article

Extreme asymmetry in the polarized disk of V1247 Orionis

scientific article

Fast-moving features in the debris disk around AU Microscopii

scientific article

First light of the VLT planet finder SPHERE

scientific article published in Astronomy and Astrophysics

First light of the VLT planet finder SPHERE

scholarly article

First light of the VLT planet finder SPHERE. III. New spectrophotometry and astrometry of the HR 8799 exoplanetary system

scientific article

Giant Planet and Brown Dwarf Formation

scientific article

Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy

scientific article published on 23 May 2024

High contrast imaging with spitzer: constraining the frequency of giant planets out to 1000 au separations

scholarly article

High-Resolution Near-Infrared Polarimetry of a Circumstellar Disk around UX Tau A

scholarly article

High-contrast Polarimetry Observation of the T Tau Circumstellar Environment

scientific article published in the Astrophysical Journal

High-contrast imaging of intermediate-mass giants with long-term radial velocity trends

scientific article published on 12 July 2016

High-contrast imaging search for planets and brown dwarfs around the most massive stars in the solar neighborhood

scientific article (publication date: 12 July 2011)

High-resolution Near-infrared Polarimetry and Submillimeter Imaging of FS Tau A: Possible Streamers in Misaligned Circumbinary Disk System

scientific article published in February 2020

Investigating the nature of the extended structure around the Herbig star RCrA using integral field and high-resolution spectroscopy

scholarly article

Investigating three Sirius-like systems with SPHERE

scholarly article

Isochronal age-mass discrepancy of young stars: SCExAO/CHARIS integral field spectroscopy of the HIP 79124 triple system

scientific article

Mapping H-band scattered light emission in the mysterious SR21 transitional disk

scientific article published in the Astrophysical Journal

Mapping of shadows cast on a protoplanetary disk by a close binary system

scholarly article

Multi-epoch Direct Imaging and Time-variable Scattered Light Morphology of the HD 163296 Protoplanetary Disk

Near-IR high-resolution imaging polarimetry of the SU Aur disk: clues for tidal tails?

scientific article (publication date: 4 June 2015)

Near-IR polarized scattered light imagery of the DoAr 28 transitional disk

scientific article

Near-infrared Accretion Signatures from the Circumbinary Planetary-mass Companion Delorme 1 (AB)b*

scientific article published in 2022

Near-infrared imaging polarimetry of LkCa 15: A possible warped inner disk

scientific article published in January 2016

Near-infrared imaging polarimetry of inner region of GG Tau A disk

scientific article published in Astronomical Journal

New brown dwarf companions to young stars in Scorpius-Centaurus

scholarly article

Optical imaging polarimetry of the LkCa 15 protoplanetary disk with SPHERE ZIMPOL

Orbital Characterization of GJ1108A System, and Comparison of Dynamical Mass with Model-derived Mass for Resolved Binaries

scientific article published in the Astrophysical Journal

Orbital and spectral analysis of the benchmark brown dwarf HD 4747B

scholarly article

Orbital monitoring of the AstraLux large M-dwarf multiplicity sample

Post-conjunction detection of β Pictoris b with VLT/SPHERE

scientific article

Resolved near-infrared image of the inner cavity in the GM Aur transitional disk

scientific article

SCExAO AND GPIYJHBAND PHOTOMETRY AND INTEGRAL FIELD SPECTROSCOPY OF THE YOUNG BROWN DWARF COMPANION TO HD 1160

scientific article published in the Astrophysical Journal

SCExAO/CHARIS Direct Imaging Discovery of a 20 au Separation, Low-Mass Ratio Brown Dwarf Companion to an Accelerating Sun-like Star

scientific article

SCExAO/CHARIS Near-infrared Direct Imaging, Spectroscopy, and Forward-Modeling of κ And b: A Likely Young, Low-gravity Superjovian Companion

scientific article published in Astronomical Journal

Searching for the near-infrared counterpart of Proxima c using multi-epoch high-contrast SPHERE data at VLT

scientific article published in June 2020

Spectral and orbital characterisation of the directly imaged giant planet HIP 65426 b

scientific article

Spiral arms in the asymmetrically illuminated disk of MWC 758 and constraints on giant planets

scientific article published in the Astrophysical Journal

Spiral structure and differential dust size distribution in the LKH{alpha} 330 disk

scientific article published in Astronomical Journal

Subaru Near-infrared Imaging Polarimetry of Misaligned Disks around the SR 24 Hierarchical Triple System*

scientific article published on 12 December 2019

Subaru/HiCIAO HK s Imaging of LKHa 330: Multi-band Detection of the Gap and Spiral-like Structures

scientific article published in Astronomical Journal

Subaru/SCExAO First-light Direct Imaging of a Young Debris Disk around HD 36546

scholarly article

Surface geometry of protoplanetary disks inferred from near-infrared imaging polarimetry

scientific article published in the Astrophysical Journal

Terrestrial planets across space and time

scientific article published in the Astrophysical Journal

The AstraLux multiplicity survey: extension to late M-dwarfs

scientific article published in the Astrophysical Journal

The Circumstellar Disk HD 169142: Gas, Dust, and Planets Acting in Concert?

scientific article published in the Astrophysical Journal

The GJ 504 system revisited

scientific article published in October 2018

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems I: High-contrast Imaging of the Exoplanet HIP 65426 b from 2 to 16 μm

scientific article published in 'The Astrophysical Journal Letters' in July 2023

The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems II: A 1 to 20 Micron Spectrum of the Planetary-Mass Companion VHS 1256-1257 b

The JWST Early Release Science Program for the Direct Imaging & Spectroscopy of Exoplanetary Systems

scientific article published in 2022

The SEEDS High-Contrast Imaging Survey of Exoplanets Around Young Stellar Objects

scientific article published in Astronomical Journal

The SPHERE infrared survey for exoplanets (SHINE). III. The demographics of young giant exoplanets below 300 au with SPHERE

scholarly article

The Surprisingly Low Carbon Mass in the Debris Disk around HD 32297

scientific article published on 02 April 2020

The VLT/NaCo large program to probe the occurrence of exoplanets and brown dwarfs at wide orbits. IV. Gravitational instability rarely forms wide, giant planets

scientific article published in Astronomy and Astrophysics

VLT/SPHERE exploration of the young multiplanetary system PDS70

scholarly article

WEIRD: Wide-orbit Exoplanet Search with InfraRed Direct Imaging

scientific article published in Astronomical Journal