Matthias Maercker
My main research interests lie in the study of evolved stars on the Asymptotic Giant Branch (AGB) and their mass-loss properties. I use observational data from, e.g., Herschel/HIFI, APEX, the IRAM 30m telescope, and ALMA to constrain the mass-loss rates, the mass-loss geometry, and the chemical properties of the circumstellar envelopes. I am particularly interested in the change in mass-loss properties during a thermal pulse, and the formation of detached shells around evolved stars.
Showing 72 publications
Extended far-UV emission surrounding asymptotic giant branch stars as seen by GALEX
Investigating dust properties in AGB wind-ISM interaction regions
Heavy-element Rydberg transition line emission from the post-giant-evolution star HD 101584
VLTI/PIONIER reveals the close environment of the evolved system HD 101584
Inner dusty envelope of the AGB stars W Hydrae, SW Virginis, and R Crateris using SPHERE/ZIMPOL
HD 101584: circumstellar characteristics and evolutionary status
The discovery of an asymmetric detached shell around the "fresh" carbon AGB star TX Psc
Imaging the dust and the gas around Mira using ALMA and SPHERE/ZIMPOL
An independent distance estimate to the AGB star R Sculptoris
High-resolution observations of gas and dust around Mira using ALMA and SPHERE/ZIMPOL
An Infrared Study of the Circumstellar Material Associated with the Carbon Star R Sculptoris
Rotation of the asymptotic giant branch star R Doradus
Properties of dust in the detached shells around U Antilae, DR Serpentis, and V644 Scorpii
First detection of methanol towards a post-AGB object, HD 101584
Rings and filaments: The remarkable detached CO shell of U Antliae
The shock-heated atmosphere of an asymptotic giant branch star resolved by ALMA
(HCN)-C-12 and (HCN)-C-13 excitation analysis in the circumstellar outflow of R Sculptoris
Water isotopologues in the circumstellar envelopes of M-type AGB stars
The circumstellar envelope around the S-type AGB star W Aql Effects of an eccentric binary orbit
An ALMA view of the post-AGB object HD 101584
A detailed view of the gas shell around R Sculptoris with ALMA
ALMA observations of TiO2 around VY CMa
ALMA observations of the not-so detached shell around the carbon AGB star R Sculptoris
THE 2014 ALMA LONG BASELINE CAMPAIGN: AN OVERVIEW
An ALMA View of the Complex Circumstellar Environment of the Post-AGB Object HD 101584
ALMA observations of TiO2 around VY Canis Majoris
Dissecting the AGB star L-2 Puppis: a torus in the making
3d Models of Symbiotic Binaries
The ALMA View of Evolved Stars
Detailed Modelling of the Circumstellar Envelope of the S-type AGB Star W Aquilae
A Spiral Goes Viral: Observations and Modeling of the Circumstellar Envelope around R Sculptoris
The wonderful complexity of the Mira AB system
Detailed modelling of the circumstellar molecular line emission of the S-type AGB star W Aquilae
Magnetic fields around evolved stars
The wind of W Hydrae as seen by Herschel II. The molecular envelope of W Hydrae
The detached dust shells around the carbon AGB stars R Sculptoris and V644 Scorpii
3D Models of Stellar Interactions
Outflows from Binary AGB stars with ALMA
The wind of W Hydrae as seen by Herschel I. The CO envelope
The wind of the M-type AGB star RT Virginis probed by VLTI/MIDI
Unexpectedly large mass loss during the thermal pulse cycle of the red giant star R Sculptoris
Polarization of thermal molecular lines in the envelope of IK Tauri
Herschel/HIFI observations of O-rich AGB stars: molecular inventory
A HIFI View of Circumstellar H2O Emission from the S-type AGB Star X Cyg
Imaging the Circumstellar Dust Distribution around AGB Stars with the NOT/PolCor Instrument
Detached Shells of Dust and Gas around Carbon Stars
AGB Mass-Loss Characteristics: Rates, Temporal Variation, and Geometries
A Possible Solution to the Mass-Loss Problem in M-type AGB Stars
Imaging the circumstellar dust around AGB stars with PolCor
The detached dust and gas shells around the carbon star U Antliae
High-resolution HST/ACS images of detached shells around carbon stars
The detached dust and gas shells around the carbon star U Ant
Circumstellar H2O in M-type AGB stars
Modelling of Circumstellar H2O Line Emission from M-type AGB Stars
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Showing 1 research projects
The late evolution of low-mass stars