Michael Lindqvist
Senior forskningsingenjör vid
Chalmers, Rymd-, geo- och miljövetenskap, Onsala rymdobservatorium, Onsala rymdobservatorium, Observationssupport
Michael Lindqvist är astronom och arbetar främst med VLBI support vid Onsala rymdobservatorium. Hans forskning berör röda jättestjärnor, i synnerhet kemin och kinematiken i det cirkumstellära höljet kring stjärnor på den asymptotiska jättegrenen.
Källa: chalmers.se
Visar 51 publikationer
2018
The limb-brightened jet of M87 down to the 7 Schwarzschild radii scale
J. Y. Kim, T.P. Krichbaum, R.S. Lu et al
Astronomy and Astrophysics. Vol. 616
Artikel i vetenskaplig tidskrift
2018
RadioAstron gravitational redshift experiment: Status update
D. A. Litvinov, U. Bach, Norbert Bartel et al
14th Marcel Grossman Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories, Proceedings, p. 3569-3575
Paper i proceeding
2018
Probing the gravitational redshift with an Earth-orbiting satellite
Dmitry Litvinov, V. N. Rudenko, A. V. Alakoz et al
Physics Letters, Section A: General, Atomic and Solid State Physics. Vol. 382 (33), p. 2192-2198
Artikel i vetenskaplig tidskrift
2018
Design trade-offs in feed systems for ultra-wideband VLBI observations
Jonas Flygare, Miroslav Pantaleev, John Conway et al
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2018
Ultra-wideband feed systems for the EVN and SKA - evaluated for VGOS
Jonas Flygare, Miroslav Pantaleev, John Conway et al
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2018
Detection of Intrinsic Source Structure at similar to 3 Schwarzschild Radii with Millimeter-VLBI Observations of SAGITTARIUS A*
Ru-Sen Lu, Thomas P. Krichbaum, Alan L. Roy et al
Astrophysical Journal. Vol. 859 (1)
Artikel i vetenskaplig tidskrift
2018
Molecular line study of the S-type AGB star W Aquilae: ALMA observations of CS, SiS, SiO and HCN
M. Brunner, Taissa Danilovich, S. Ramstedt et al
Astronomy and Astrophysics. Vol. 617
Artikel i vetenskaplig tidskrift
2017
Single-dish and VLBI observations of Cygnus X-3 during the 2016 giant flare episode
E. Egron, A. Pellizzoni, M. Giroletti et al
Monthly Notices of the Royal Astronomical Society. Vol. 471 (3), p. 2703-2714
Artikel i vetenskaplig tidskrift
2017
Aperture synthesis imaging of the carbon AGB star R Sculptoris: Detection of a complex structure and a dominating spot on the stellar disk
M. Wittkowski, K. H. Hofmann, S. Höfner et al
Astronomy and Astrophysics. Vol. 601
Artikel i vetenskaplig tidskrift
2017
Location of γ-ray emission and magnetic field strengths in OJ 287
J.A. Hodgson, T.P. Krichbaum, A.P. Marscher et al
Astronomy and Astrophysics. Vol. 597, p. 80-
Artikel i vetenskaplig tidskrift
2017
First detection of methanol towards a post-AGB object, HD 101584
Hans Olofsson, Wouter Vlemmings, Per Bergman et al
Astronomy and Astrophysics. Vol. 603, p. L2-
Artikel i vetenskaplig tidskrift
2017
The circumstellar envelope around the S-type AGB star W Aql Effects of an eccentric binary orbit
S. Ramstedt, S. Mohamed, Wouter Vlemmings et al
Astronomy and Astrophysics. Vol. 605
Artikel i vetenskaplig tidskrift
2017
The extended molecular envelope of the asymptotic giant branch star π 1 Gruis as seen by ALMA: I. Large-scale kinematic structure and CO excitation properties
L. Doan, S. Ramstedt, Wouter Vlemmings et al
Astronomy and Astrophysics. Vol. 605
Artikel i vetenskaplig tidskrift
2017
Rings and filaments: The remarkable detached CO shell of U Antliae
F. Kerschbaum, Matthias Maercker, M. Brunner et al
Astronomy and Astrophysics. Vol. 605
Artikel i vetenskaplig tidskrift
2016
Planetary Radio Interferometry and Doppler Experiment (PRIDE) technique: A test case of the Mars Express Phobos fly-by
Dmitry Duev, Sergei Pogrebenko, G. Cimo et al
Astronomy and Astrophysics. Vol. 593 (A34)
Artikel i vetenskaplig tidskrift
2016
A detailed view of the gas shell around R Sculptoris with ALMA
Matthias Maercker, Wouter Vlemmings, M. Brunner et al
Astronomy and Astrophysics. Vol. 586 (Art. Nr. A5)
Artikel i vetenskaplig tidskrift
2016
An ALMA view of the post-AGB object HD 101584
Hans Olofsson, Wouter Vlemmings, Matthias Maercker et al
Journal of Physics: Conference Series. Vol. 728 (4)
Paper i proceeding
2016
A highly magnetized twin-jet base pinpoints a supermassive black hole
A. K. Baczko, R. Schulz, M. Kadler et al
Astronomy and Astrophysics. Vol. 593
Artikel i vetenskaplig tidskrift
2015
An ALMA View of the Complex Circumstellar Environment of the Post-AGB Object HD 101584
Hans Olofsson, Wouter Vlemmings, Matthias Maercker et al
4th ALMA Science Conference on Revolution in Astronomy with ALMA: The Third Year, Tokyo, Japan, 8-11 December. Vol. 499, p. 319-322
Paper i proceeding
2015
First 230? GHz VLBI fringes on 3C 279 using the APEX Telescope (Research Note)
Jan Wagner, A. Roy, T.P. Krichbaum et al
Astronomy and Astrophysics. Vol. 581
Artikel i vetenskaplig tidskrift
2015
5 year Global 3-mm VLBI survey of Gamma-ray active blazars
J. Hodgson, T. P. Krichbaum, A. Marscher et al
Proceedings of 12th European VLBI Network Symposium and Users Meeting
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2015
Detection of Cl line emission from the detached CO shell of the AGB star R Sculptoris
Hans Olofsson, Per Bergman, Michael Lindqvist
Astronomy and Astrophysics. Vol. 582, p. 8-
Artikel i vetenskaplig tidskrift
2015
ALMA view of the circumstellar environment of the post-common-envelope-evolution binary system HD 101584
Hans Olofsson, Wouter Vlemmings, Matthias Maercker et al
Astronomy and Astrophysics. Vol. 576
Artikel i vetenskaplig tidskrift
2014
Solving the polarization problem in ALMA-VLBI observations
Ivan Marti-Vidal, John Conway, Michael Lindqvist et al
Proceedings of Science. Vol. Part F113821, p. Artno: 034-
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2014
The wonderful complexity of the Mira AB system
S. Ramstedt, S. Mohamed, Wouter Vlemmings et al
Astronomy and Astrophysics. Vol. 570, p. Art. no. L14-
Artikel i vetenskaplig tidskrift
2014
SiO masers from AGB stars in the vibrationally excited v=1, v=2, and v=3 states
J. F. Desmurs, V. Bujarrabal, Michael Lindqvist et al
Astronomy and Astrophysics. Vol. 565
Artikel i vetenskaplig tidskrift
2014
Present status and technical directions of the EVN
Michael Lindqvist, A Szomoru
Proceedings of Science. 12th European VLBI Network Symposium and Users Meeting, EVN 2014 ; Cagliari; Italy; 7 October 2014 through 10 October 2014. Vol. Part F113821, p. 031-
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2014
DBBC3 development
G. Tuccari, W. Alef, A. Bertarini et al
12th European VLBI Network Symposium and Users Meeting, EVN 2014, Cagliari, Italy, 7-10 October 2014
Paper i proceeding
2013
Wide bandwidth integrated 1-4 GHz feed development for VLBI and SKA
J. Geralt bij de Vaate, Miroslav Pantaleev, Marianna Ivashina et al
Proceedings of Science, 11th European VLBI Network Symposium & Users Meeting
Poster (konferens)
2013
SiO v=3 J=1-0 maser emission from AGB stars
J.F. Desmurs, V. Bujarrabal, Michael Lindqvist et al
Proceedings of Science, 11th European VLBI Network Symposium & Users Meeting
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2013
VLBI at APEX: First Fringes
Alan Roy, Jan Wagner, Michael Wunderlich et al
Proceedings of Science, 11th European VLBI Network Symposium & Users Meeting,, p. 1-6
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2013
DBBC3: VLBI at 32 Gbits per second
W. Alef, G. Tuccari, S. Buttaccio et al
Proceedings of Science, 11th European VLBI Network Symposium & Users Meeting
Poster (konferens)
2013
From tape reel to intercontinental lightpaths: Technical developments in the EVN
A Szomoru, Michael Lindqvist
IEEE AFRICON Conference, p. Article no. 6757823-
Paper i proceeding
2013
ALMA observations of the variable 12CO/13CO ratio around the asymptotic giant branch star R Sculptoris
Wouter Vlemmings, Matthias Maercker, Michael Lindqvist et al
Astronomy and Astrophysics. Vol. 556, p. Art. no. L1-
Artikel i vetenskaplig tidskrift
2013
The abundance of HCN in circumstellar envelopes of AGB stars of different chemical type
Fredrik Schöier, S. Ramstedt, Hans Olofsson et al
Astronomy and Astrophysics. Vol. 550
Artikel i vetenskaplig tidskrift
2013
The latest results from the global mm VLBI array
J. Hodgson, T.P. Krichbaum, A. Marscher et al
Proceedings of Science, 11th European VLBI Network Symposium & Users Meeting
Poster (konferens)
2012
On the calibration of full-polarization 86GHz global VLBI observations
Ivan Marti-Vidal, T. P. Krichbaum, A. Marscher et al
Astronomy and Astrophysics. Vol. 542, p. A107-
Artikel i vetenskaplig tidskrift
2012
Unexpectedly large mass loss during the thermal pulse cycle of the red giant star R Sculptoris
Matthias Maercker, S. Mohamed, Wouter Vlemmings et al
Nature. Vol. 490 (7419), p. 232-234
Artikel i vetenskaplig tidskrift
2012
Preliminary results on SiO v=3 J=1−0 maser emission from AGB stars
J. F. Desmurs, V. Bujarrabal, Michael Lindqvist et al
Proceedings of the International Astronomical Union. Vol. 8 (S287), p. 252 - 253
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2010
Mapping the 12CO J = 1-0 and J = 2-1 emission in AGB and early post-AGB circumstellar envelopes. I. The COSAS program, first sample
A. Castro-Carrizo, G. Quintana-Lacaci, R. Neri et al
Astronomy and Astrophysics. Vol. 523 (4), p. A59-
Artikel i vetenskaplig tidskrift
2009
e-VLBI related activities at Onsala Space Observatory
Simon Casey, Rüdiger Haas, Michael Lindqvist et al
Proceedings of the 8th International e-VLBI Workshop. 22-26 June 2009. Madrid, Spain
Paper i proceeding
2008
MERLIN observations of OH/IR stars
Michael Lindqvist, Fredrik Schöier, Hans Olofsson et al
Proceedings of the 9th European VLBI Network Symposium on The role of VLBI in the Golden Age for Radio Astronomy and EVN Users Meeting., p. 81-83
Poster (konferens)
2008
e-VLBI observations of SS 433 in outburst
V. Tudose, Z. Paragi, S. Trushkin et al
The Astronomer's Telegram, p. 1836-
Artikel i övriga tidskrifter
2007
Radio and X-Ray Monitoring of SS433
Z. Paragi, S. Chakrabarti, S. Pal et al
Revista Mexicana de Astronomía y Astrofísica. Vol. 27, p. 222-224
Poster (konferens)
2007
Mapping 12CO J=2-1 and 1-0 Line Emission in CSEs around AGB and Early Post-AGB Stars
A. Castro-Carrizo, R. Neri, Michael Winters et al
Proceedings of "Why galaxies care about stars: their importance as actors and probes", eds. F. Kerschbaum, C. Charbonnel and R.F. Wing, Vienna, August 2006, ASP Conference Series. Vol. 378, p. 199-204
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2007
The abundance of SiS in circumstellar envelopes around AGB stars
Fredrik Schöier, J. Bast, Hans Olofsson et al
Astronomy & Astrophysics. Vol. 473, p. 871-882
Artikel i vetenskaplig tidskrift
2007
Non-Equilibrium Chemistry and Dust Formation in AGB Stars as Probed by SiO Line Emission
F.L. Schöier, Hans Olofsson, T. Wong et al
Proceedings of "Why galaxies care about stars: their importance as actors and probes", eds. F. Kerschbaum, C. Charbonnel and R.F. Wing, Vienna, August 2006, ASP Conference Series. Vol. 378, p. 341-342
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2006
Odin spectral line observations of Sgr A and Sgr B2 at submm wavelengths and in the 118-GHz band
Aa. Sandqvist, Per Bergman, P. Bernath et al
Journal of Physics: Conference Series. Vol. 54, p. 72-76
Poster (konferens)
2005
Properties of detached shells around carbon stars. Evidence of interacting winds
F.L. Schöier, Michael Lindqvist, H. Olofsson
Astronomy and Astrophysics. Vol. 436, p. 633-646
Artikel i vetenskaplig tidskrift
2004
Probing the inner wind of AGB stars: Interferometric observations of SiO millimetre line emission from the oxygen-rich stars R Dor and L2 Pup
F.L. Schöier, H. Olofsson, T. Wong et al
Astronomy & Astrophysics. Vol. 422, p. 651-663
Artikel i vetenskaplig tidskrift
1991
A study of circumstellar envelopes : OH/IR stars in the galactic centre and carbon-bearing molecules in the envelopes of oxygen-rich stars
Michael Lindqvist
Doktorsavhandling
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