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Employee publications Dr Michal Zajacek

54 publications published to December 2021 in ORCID

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2021

1. (6/2021) Florian Peißker; Michal Zajaček; Andreas Eckart; Basel Ali; Vladimír Karas; Nadeen B. Sabha; Rebekka Grellmann; Lucas Labadie; et. al; Banafsheh Shahzamanian;
The Apparent Tail of the Galactic Center Object G2/DSO
THE ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/ac23df, , , 2021-12-01  🥇

2. (5/2021) Petra Suková; Michal Zajaček; Vojtěch Witzany; Vladimír Karas;
Stellar Transits across a Magnetized Accretion Torus as a Mechanism for Plasmoid Ejection
THE ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/ac05c6, , , 2021-08-01  🥈

3. (4/2021) Michal Zajaček;
Enhanced Doppler Beaming for Dust-enshrouded Objects and Pulsars in the Galactic Center
THE ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/ac043a, , , 2021-07-01  🥉

4. (3/2021) Michal Zajaček; Bożena Czerny; Mary Loli Martinez–Aldama; Mateusz Rałowski; Aleksandra Olejak; Robert Przyłuski; Swayamtrupta Panda; Krzysztof Hryniewicz; et. al; Marzena Śniegowska; Mohammad-Hassan Naddaf; Raj Prince; Wojtek Pych; Grzegorz Pietrzyński; Catalina Sobrino Figaredo; Martin Haas; Justyna Średzińska; Magdalena Krupa; Agnieszka Kurcz; Andrzej Udalski; Vladimír Karas; Marek Sarna; Hannah L. Worters; Ramotholo R. Sefako; Anja Genade;
Time Delay of Mg ii Emission Response for the Luminous Quasar HE 0435-4312: toward Application of the High-accretor Radius–Luminosity Relation in Cosmology
THE ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/abe9b2, , , 2021-05-01

5. (2/2021) S Britzen; M Zajaček; L Č Popović; C Fendt; A Tramacere; I N Pashchenko; F Jaron; et. al; R Pánis; L Petrov; M F Aller; H D Aller;
A ring accelerator? Unusual jet dynamics in the IceCube candidate PKS 1502+106
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 10.1093/mnras/stab589, , , 2021-05-01

6. (1/2021) Florian Peißker; Basel Ali; Michal Zajaček; Andreas Eckart; S. Elaheh Hosseini; Vladimír Karas; Yann Clénet; Nadeen B. Sabha; et. al; Lucas Labadie; Matthias Subroweit;
First Observed Interaction of the Circumstellar Envelope of an S-star with the Environment of Sgr A*
THE ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/abd9c6, , , 2021-03-01

2020

7. (9/2020) S. Elaheh Hosseini; Michal Zajaček; Andreas Eckart; Nadeen B. Sabha; Lucas Labadie;
Constraining the accretion flow density profile near Sgr A* using the L′-band emission of the S2 star
ASTRONOMY & ASTROPHYSICS, 10.1051/0004-6361/202037724, , , 2020-12-01

8. (8/2020) Michal Zajaček; Anabella Araudo; Vladimír Karas; Bożena Czerny; Andreas Eckart;
Depletion of Bright Red Giants in the Galactic Center during Its Active Phases
THE ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/abbd94, , , 2020-11-12

9. (7/2020) Mary Loli Martínez–Aldama; Michal Zajaček; Bożena Czerny; Swayamtrupta Panda;
Scatter Analysis along the Multidimensional Radius–Luminosity Relations for Reverberation-mapped Mg ii Sources
THE ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/abb6f8, , , 2020-11-01

10. (6/2020) Florian Peißker; Andreas Eckart; Michal Zajaček; Basel Ali; Marzieh Parsa;
S62 and S4711: Indications of a Population of Faint Fast-moving Stars inside the S2 Orbit—S4711 on a 7.6 yr Orbit around Sgr A*
THE ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/ab9c1c, , , 2020-08-11

11. (5/2020) Arman Tursunov; Michal Zajaček; Andreas Eckart; Martin Kološ; Silke Britzen; Zdeněk Stuchlík; Bozena Czerny; Vladimír Karas;
Effect of Electromagnetic Interaction on Galactic Center Flare Components
THE ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/ab980e, , , 2020-07-07

12. (4/2020) Florian Peißker; Andreas Eckart; Nadeen B. Sabha; Michal Zajaček; Harshitha Bhat;
Near- and Mid-infrared Observations in the Inner Tenth of a Parsec of the Galactic Center Detection of Proper Motion of a Filament Very Close to Sgr A*
THE ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/ab9826, , , 2020-07-01

13. (3/2020) Michal Zajaček; Bożena Czerny; Mary Loli Martinez–Aldama; Mateusz Rałowski; Aleksandra Olejak; Swayamtrupta Panda; Krzysztof Hryniewicz; Marzena Śniegowska; et. al; Mohammad-Hassan Naddaf; Wojtek Pych; Grzegorz Pietrzyński; C. Sobrino Figaredo; Martin Haas; Justyna Średzińska; Magdalena Krupa; Agnieszka Kurcz; Andrzej Udalski; Marek Gorski; Marek Sarna;
Time-delay Measurement of Mg ii Broad-line Response for the Highly Accreting Quasar HE 0413-4031: Implications for the Mg ii–based Radius–Luminosity Relation
THE ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/ab94ae, , , 2020-06-23

14. (2/2020) Basel Ali; Daria Paul; Andreas Eckart; Marzieh Parsa; Michal Zajacek; Florian Peißker; Matthias Subroweit; Monica Valencia-S.; et. al; Lauritz Thomkins; Gunther Witzel;
Kinematic Structure of the Galactic Center S Cluster
THE ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/ab93ae, , , 2020-06-17

15. (1/2020) F. Peißker; S. E. Hosseini; M. Zajaček; A. Eckart; R. Saalfeld; M. Valencia-S.; M. Parsa; V. Karas;
Monitoring dusty sources in the vicinity of Sagittarius A*
ASTRONOMY & ASTROPHYSICS, 10.1051/0004-6361/201935953, , , 2020-02-01

2019

16. (11/2019) Martínez-Aldama, M.L.; Czerny, B.; Kawka, D.; Karas, V.; Panda, S.; Zajaček, M.; Życki, P.T.;
Can Reverberation-measured Quasars Be Used for Cosmology?
ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/ab3728, , , 2019-10-01

17. (10/2019) Britzen, S.; Fendt, C.; Böttcher, M.; Zajaček, M.; Jaron, F.; Pashchenko, I.N.; Araudo, A.; Karas, V.; et. al; Kurtanidze, O.;
A cosmic collider: Was the IceCube neutrino generated in a precessing jet-jet interaction in TXS 0506+056?
ASTRONOMY AND ASTROPHYSICS, 10.1051/0004-6361/201935422, , , 2019-10-01

18. (9/2019) Zajaček, M.; Tursunov, A.; Eckart, A.; Britzen, S.; Hackmann, E.; Karas, V.; Stuchlík, Z.; Czerny, B.; et. al; Zensus, J.A.;
Constraining the charge of the Galactic centre black hole
JOURNAL OF PHYSICS: CONFERENCE SERIES, 10.1088/1742-6596/1258/1/012031, , , 2019-10-01

19. (8/2019) Michal Zajaček; Gerold Busch; Mónica Valencia-S.; Andreas Eckart; Silke Britzen; Lars Fuhrmann; Jana Schneeloch; Nastaran Fazeli; et. al; Kevin C. Harrington; J. Anton Zensus;
Radio spectral index distribution of SDSS-FIRST sources across optical diagnostic diagrams
ASTRONOMY & ASTROPHYSICS, 10.1051/0004-6361/201833388, , , 2019-10-01

20. (7/2019) Eckart, A.; Zajacek, M.; Valencia-S, M.; Parsa, M.; Hosseini, E.; Straubmeier, C.; Horrobin, M.; Subroweit, M.; et. al; Tursunov, A.;
The central light-year of the Milky Way: How stars and gas live in a relativistic environment of a super-massive black hole
JOURNAL OF PHYSICS: CONFERENCE SERIES, 10.1088/1742-6596/1258/1/012019, , , 2019-10-01

21. (6/2019) Harrington, K.C.; Vishwas, A.; Weiß, A.; Magnelli, B.; Grassitelli, L.; Zajaček, M.; Jiménez-Andrade, E.F.; Leung, T.K.D.; et. al; Bertoldi, F.; Romano-Díaz, E.; Frayer, D.T.; Kamieneski, P.; Riechers, D.; Stacey, G.J.; Yun, M.S.; Wang, Q.D.;
The 'Red Radio Ring': Ionized and molecular gas in a starburst/active galactic nucleus at z ∼2.55
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 10.1093/mnras/stz1740, , , 2019-09-11

22. (5/2019) Britzen, S.; Fendt, C.; Zajaček, M.; Jaron, F.; Pashchenko, I.; Aller, M.F.; Aller, H.D.;
3C 84: Observational evidence for precession and a possible relation to TeV emission
GALAXIES, 10.3390/galaxies7030072, , , 2019-08-15

23. (4/2019) Zajaček, M.; Czerny, B.; Martínez-Aldama, M.L.; Karas, V.;
Reverberation mapping of distant quasars: Time lag determination using different methods
ASTRONOMISCHE NACHRICHTEN, 10.1002/asna.201913659, , , 2019-08-01

24. (3/2019) Czerny, B.; Olejak, A.; Rałowski, M.; Kozłowski, S.; Aldama, M.L.M.; Zajacek, M.; Pych, W.; Hryniewicz, K.; et. al; Pietrzyński, G.; Figaredo, C.S.; Haas, M.; Średzińska, J.; Krupa, M.; Kurcz, A.; Udalski, A.; Gorski, M.; Karas, V.; Panda, S.; Sniegowska, M.; Naddaf, M.-H.; Bilicki, M.; Sarna, M.;
Time Delay Measurement of Mg ii Line in CTS C30.10 with SALT
ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/ab2913, , , 2019-07-24

25. (2/2019) Peißker, F.; Zajaček, M.; Eckart, A.; Sabha, N.B.; Shahzamanian, B.; Parsa, M.;
New bow-shock source with bipolar morphology in the vicinity of Sgr A∗
ASTRONOMY AND ASTROPHYSICS, 10.1051/0004-6361/201834947, , , 2019-04-01

26. (1/2019) Fazeli, N.; Busch, G.; Valencia, S.M.; Eckart, A.; Zajaček, M.; Combes, F.; Garcia-Burillo, S.;
Near-infrared observations of star formation and gas flows in the NUGA galaxy NGC 1365
ASTRONOMY AND ASTROPHYSICS, 10.1051/0004-6361/201834255, , , 2019-02-01

2018

27. (6/2018) Zajaček, M.; Tursunov, A.; Eckart, A.; Britzen, S.;
On the charge of the Galactic centre black hole
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 10.1093/MNRAS/STY2182, , , 2018-11-11

28. (5/2018) Zajaček, M.; Tursunov, A.A.;
A stellar fly-by close to the Galactic center: Can we detect stars on highly relativistic orbits?
ASTRONOMISCHE NACHRICHTEN, 10.1002/asna.201813499, , , 2018-06-01

29. (4/2018) Britzen, S.; Fendt, C.; Witzel, G.; Qian, S.-J.; Pashchenko, I.N.; Kurtanidze, O.; Zajacek, M.; Martinez, G.; et. al; Karas, V.; Aller, M.; Aller, H.; Eckart, A.; Nilsson, K.; Arévalo, P.; Cuadra, J.; Subroweit, M.; Witzel, A.;
OJ287: Deciphering the 'Rosetta stone of blazars
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 10.1093/mnras/sty1026, , , 2018-04-24

30. (3/2018) Shahzamanian, B.; Eckart, A.; Zajacek, M.; Valencia-S, M.; Sabha, N.B.;
Polarization: A method to reveal the true nature of the Dusty S-Cluster Object (DSO/G2)
GALAXIES, 10.3390/galaxies6010013, , , 2018-01-17

31. (2/2018) Steiniger, L.; Shahzamanian, B.; Markakis, K.; Eckart, A.; Nishiyama, S.; Zajacek, M.; Parsa, M.; Hosseini, E.; et. al; Fazeli, N.; Busch, G.; Subroweit, M.; Peissker, F.; Sabha, N.; Valencia, M.; Straubmeier, C.; Borkar, A.; Karas, V.; Britzen, S.; Zensus, A.;
A Faint Near-Infrared/Radio Flare form SgrA*
PROCEEDINGS OF SCIENCE, , , 2018

32. (1/2018) Eckart, A.; Parsa, M.; Mossoux, E.; Shahzamanian, B.; Zajacek, M.; Hosseini, E.; Subroweit, M.; Peissker, F.; et. al; Sabha, N.; Valencia, M.; Straubmeier, C.; Karas, V.; Britzen, S.; Zensus, A.;
Light and shadow in the Galactic Center on the detection of the relativistic periastron shift of star S2 in the Galactic Center
PROCEEDINGS OF SCIENCE, , , 2018

2017

33. (12/2017) Britzen, S.; Fendt, C.; Witzel, G.; Qian, S.-J.; Pashchenko, I.N.; Kurtanidze, O.; Zajacek, M.; Martinez, G.; et. al; Karas, V.; Aller, M.; Aller, H.; Eckart, A.; Nilsson, K.; Arévalo, P.; Cuadra, J.; Witzel, A.;
OJ287 taken to pieces: The origin of a precessing and rotating jet
JOURNAL OF PHYSICS: CONFERENCE SERIES, 10.1088/1742-6596/942/1/012005, , , 2017-12-01

34. (11/2017) Parsa, M.; Eckart, A.; Shahzamanian, B.; Karas, V.; Zajaček, M.; Zensus, J.A.; Straubmeier, C.;
Investigating the Relativistic Motion of the Stars Near the Supermassive Black Hole in the Galactic Center
ASTROPHYSICAL JOURNAL, 10.3847/1538-4357/aa7bf0, , , 2017-08-09

35. (10/2017) Zajaček, M.; Britzen, S.; Eckart, A.; Shahzamanian, B.; Busch, G.; Karas, V.; Parsa, M.; Peissker, F.; et. al; Dovčiak, M.; Subroweit, M.; Dinnbier, F.; Zensus, J.A.;
Nature of the Galactic centre NIR-excess sources: I. What can we learn from the continuum observations of the DSO/G2 source?
ASTRONOMY AND ASTROPHYSICS, 10.1051/0004-6361/201730532, , , 2017-06-01

36. (9/2017) Eckart, A.; Hüttemann, A.; Kiefer, C.; Britzen, S.; Zajaček, M.; Lämmerzahl, C.; Stöckler, M.; Monica Valencia, S.; et. al; Karas, V.; García-Marín, M.;
The milky way’s supermassive black hole: How good a case is it?: A challenge for astrophysics & philosophy of science
FOUNDATIONS OF PHYSICS, 10.1007/s10701-017-0079-2, , , 2017-05-01

37. (8/2017) Zajaček, M.;
Cologne-Prague-kiel meetings 2013-2017: From accretion to star formation in galactic nuclei
OBSERVATORY, , , 2017

38. (7/2017) Štofanová, L.; Zajacek, M.; Kunneriath, D.; Eckart, A.; Karas, V.;
Modelling the bow-shock evolution along the DSO/G2 orbit in the Galactic centre
PROCEEDINGS OF RAGTIME, , , 2017

39. (6/2017) Karas, V.; Kopáček, O.; Kunneriath, D.; Zajaček, M.; Araudo, A.; Eckart, A.; Kovář, J.;
Plunging neutron stars as origin of organised magnetic field in galactic nuclei
CONTRIBUTIONS OF THE ASTRONOMICAL OBSERVATORY SKALNATE PLESO, , , 2017

40. (5/2017) Zajacek, M.; Eckart, A.; Shahzamanian, B.;
Polarimetry narrows down the possibilities for the dusty s-cluster object (DSO/G2) in the galactic centre
OBSERVATORY, , , 2017

41. (4/2017) Zajacek, M.; Karas, V.; Hosseini, E.; Eckart, A.; Shahzamanian, B.; Valencia, M.; Peissker, F.; Busch, G.; et. al; Britzen, S.; Zensus, J.A.;
Polarization properties of bow shock sources close to the Galactic centre
PROCEEDINGS OF RAGTIME, , , 2017

42. (3/2017) Eckart, A.; Zajacek, M.; Parsa, M.; Hosseini, E.; Fazeli, N.; Busch, G.; Shahzamanian, B.; Subroweit, M.; et. al; Peissker, F.; Sabha, N.; Valencia-S, M.; Horrobin, M.; Straubmeier, C.; Rost, S.; Schneeloch, J.; Borkar, A.; Karas, V.; Britzen, S.; Zensus, A.; Kamali, F.;
The multifrequency behavior of sagittarius A*
PROCEEDINGS OF SCIENCE, , , 2017

43. (2/2017) Shahzamanian, B.; Zajaček, M.; Valencia-S, M.; Peissker, F.; Eckart, A.; Sabha, N.; Parsa, M.;
Detection of polarized continuum emission of the Dusty S-cluster Object (DSO/G2)
PROCEEDINGS OF THE INTERNATIONAL ASTRONOMICAL UNION, 10.1017/S1743921316011819, , , 2017

44. (1/2017) Zajaček, M.; Valencia-S., M.; Shahzamanian, B.; Peissker, F.; Eckart, A.; Parsa, M.;
Nature of the Dusty S-cluster Object (DSO/G2): Pre-main-sequence star with non-spherical dusty envelope
PROCEEDINGS OF THE INTERNATIONAL ASTRONOMICAL UNION, 10.1017/s1743921316011741, 1743-9213, , , 2017

2016

45. (4/2016) Shahzamanian, B.; Eckart, A.; Zajaček, M.; Valencia-S, M.; Sabha, N.; Moser, L.; Parsa, M.; Peissker, F.; et. al; Straubmeier, C.;
Polarized near-infrared light of the Dusty S-cluster Object (DSO/G2) at the Galactic center
ASTRONOMY AND ASTROPHYSICS, 10.1051/0004-6361/201628994, , , 2016-10-01

46. (3/2016) Zajaček, M.; Eckart, A.; Karas, V.; Kunneriath, D.; Shahzamanian, B.; Sabha, N.; Mužić, K.; Valencia-S., M.;
Effect of an isotropic outflow from the Galactic Centre on the bow-shock evolution along the orbit
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 10.1093/mnras/stv2357, 1365-2966, , , 2016-01-11

47. (2/2016) Eckart, A.; Valencia, M.; Shahzamanian, B.; Zajacek, M.; Moser, L.; Busch, G.; Parsa, M.; Subroweit, M.; et. al; Peissker, F.; Sabha, N.; Hosseini, S.E.; Horrobin, M.; Straubmeier, C.; Fazeli, N.; Borkar, A.; Kunneriath, D.; Karas, V.; Rauch, C.; Britzen, S.; Zensus, A.; García-Marín, M.; Rashed, Y.E.;
Experimental indicators of accretion processes in active galactic nuclei
PROCEEDINGS OF SCIENCE, , , 2016

48. (1/2016) Eckart, A.; Valencia-S, M.; Shahzamanian, B.; Zajacek, M.; Moser, L.; Parsa, M.; Subroweit, M.; Peissker, F.; et. al; Sabha, N.; Horrobin, M.; Straubmeier, C.; Borkar, A.; Kunneriath, D.; Karas, V.; Rauch, C.; Britzen, S.; Zensus, A.; García-Marín, M.;
Nuclear activity and the conditions of star-formation at the galactic center
PROCEEDINGS OF SCIENCE, , , 2016

2015

49. (3/2015) Zajaček, M.; Karas, V.; Kunneriath, D.;
Galactic center minispiral: Interaction modes of neutron stars
ACTA POLYTECHNICA, 10.14311/AP.2015.55.0203, , , 2015-07-02

50. (2/2015) Valencia-S., M.; Eckart, A.; Zajaček, M.; Peissker, F.; Parsa, M.; Grosso, N.; Mossoux, E.; Porquet, D.; et. al; Jalali, B.; Karas, V.; Yazici, S.; Shahzamanian, B.; Sabha, N.; Saalfeld, R.; Smajic, S.; Grellmann, R.; Moser, L.; Horrobin, M.; Borkar, A.; García-Marín, M.; Dovčiak, M.; Kunneriath, D.; Karssen, G.D.; Bursa, M.; Straubmeier, C.; Bushouse, H.;
Monitoring the dusty S-cluster object (DSO/G2) on its orbit toward the galactic center black hole
ASTROPHYSICAL JOURNAL, 10.1088/0004-637X/800/2/125, , , 2015-02-18

51. (1/2015) Zajaček, M.; Karas, V.; Šubr, L.; Kunneriath, D.; Eckart, A.;
Gaseous environment in LLAGN: Modes of interaction with compact star nuclear population
PROCEEDINGS OF THE INTERNATIONAL ASTRONOMICAL UNION, 10.1017/S1743921314010448, , , 2015-02-01

2014

52. (3/2014) Zajaček, M.; Karas, V.; Eckart, A.;
Dust-enshrouded star near supermassive black hole: Predictions for high-eccentricity passages near low-luminosity galactic nuclei
ASTRONOMY AND ASTROPHYSICS, 10.1051/0004-6361/201322713, , , 2014-05-01

53. (2/2014) Eckart, A.; Horrobin, M.; Britzen, S.; Zamaninasab, M.; Mužić, K.; Sabha, N.; Shahzamanian, B.; Yazici, S.; et. al; Moser, L.; García-Marin, M.; Valencia-S., M.; Borkar, A.; Bursa, M.; Karssen, G.; Karas, V.; Zajaček, M.; Bronfman, L.; Finger, R.; Jalali, B.; Vitale, M.; Rauch, C.; Kunneriath, D.; Moultaka, J.; Straubmeier, C.; Rashed, Y.E.; Markakis, K.; Zensus, A.;
The infrared K-band identification of the DSO/G2 source from VLT and Keck data
PROCEEDINGS OF THE INTERNATIONAL ASTRONOMICAL UNION, 10.1017/S1743921314000726, , , 2014-05-01

54. (1/2014) Eckart, A.; Valencia, M.S.; Shahzamanian, B.; García-Marín, M.; Peissker, F.; Zajacek, M.; Parsa, M.; Jalali, B.; et. al; Saalfeld, R.; Sabha, N.; Yazici, S.; Karssen, G.D.; Borkar, A.; Markakis, K.; Zensus, J.A.; Straubmeier, C.;
The center of the milky way from radio to X-rays
PROCEEDINGS OF SCIENCE, , , 2014

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Employee publications Dr Michal Zajacek

36 publications published to January 2022 in PBN

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2022

2021

2020

2019

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