Dr. Michael Zacharias
Landessternwarte
Phone
Office
Hauptgebäude, Room 115
Postal Address
Zentrum für Astronomie der Universität Heidelberg
Landessternwarte
Königstuhl 12
69117 Heidelberg
Landessternwarte
Königstuhl 12
69117 Heidelberg
ORCID
Research interests
Active galaxies, non-thermal radiation processes, multimessenger approach
31.
5/2023
H. E. S. S. Collaboration; Aharonian, F. et al. (inc. Zacharias, M.; Wagner, S. J.; Quirrenbach, A.; Marx, R.; Lypova, I.; Jankowsky, F.; Ghafourizadeh, S.; Ait Benkhali, F.)
Detection of extended γ-ray emission around the Geminga pulsar with H.E.S.S.
A&A 673, A148(2023)
H. E. S. S. Collaboration; Aharonian, F. et al. (inc. Zacharias, M.; Wagner, S. J.; Quirrenbach, A.; Marx, R.; Lypova, I.; Jankowsky, F.; Ghafourizadeh, S.; Ait Benkhali, F.)
Detection of extended γ-ray emission around the Geminga pulsar with H.E.S.S.
A&A 673, A148(2023)
30.
4/2023
H. E. S. S. Collaboration; Aharonian, F. et al. (inc. Zacharias, M.; Wagner, S. J.; Quirrenbach, A.; Marx, R.; Lypova, I.; Jankowsky, F.; Ghafourizadeh, S.; Ait Benkhali, F.)
HESS J1809−193: A halo of escaped electrons around a pulsar wind nebula?
A&A 672, A103(2023)
H. E. S. S. Collaboration; Aharonian, F. et al. (inc. Zacharias, M.; Wagner, S. J.; Quirrenbach, A.; Marx, R.; Lypova, I.; Jankowsky, F.; Ghafourizadeh, S.; Ait Benkhali, F.)
HESS J1809−193: A halo of escaped electrons around a pulsar wind nebula?
A&A 672, A103(2023)
29.
3/2023
Aharonian, F.; Benkhali, F. Ait et al. (inc. Zacharias, M.; Wagner, S. J.; Quirrenbach, A.; Montanari, A.; Marx, R.; Lypova, I.; Jankowsky, F.; Ghafourizadeh, S.)
H.E.S.S. Follow-up Observations of GRB 221009A
ApJ 946, L27(2023)
Aharonian, F.; Benkhali, F. Ait et al. (inc. Zacharias, M.; Wagner, S. J.; Quirrenbach, A.; Montanari, A.; Marx, R.; Lypova, I.; Jankowsky, F.; Ghafourizadeh, S.)
H.E.S.S. Follow-up Observations of GRB 221009A
ApJ 946, L27(2023)
28.
5/2018
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
H.E.S.S. discovery of very high energy γ-ray emission from PKS 0625-354
MNRAS 476, 4187(2018)
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
H.E.S.S. discovery of very high energy γ-ray emission from PKS 0625-354
MNRAS 476, 4187(2018)
27.
4/2018
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Extended VHE γ-ray emission towards SGR1806-20, LBV 1806-20, and stellar cluster Cl* 1806-20
A&A 612, A11(2018)
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Extended VHE γ-ray emission towards SGR1806-20, LBV 1806-20, and stellar cluster Cl* 1806-20
A&A 612, A11(2018)
26.
4/2018
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
A search for very high-energy flares from the microquasars GRS 1915+105, Circinus X-1, and V4641 Sgr using contemporaneous H.E.S.S. and RXTE observations
A&A 612, A10(2018)
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
A search for very high-energy flares from the microquasars GRS 1915+105, Circinus X-1, and V4641 Sgr using contemporaneous H.E.S.S. and RXTE observations
A&A 612, A10(2018)
25.
4/2018
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Systematic search for very-high-energy gamma-ray emission from bow shocks of runaway stars
A&A 612, A12(2018)
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Systematic search for very-high-energy gamma-ray emission from bow shocks of runaway stars
A&A 612, A12(2018)
24.
4/2018
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Deeper H.E.S.S. observations of Vela Junior (RX J0852.0-4622): Morphology studies and resolved spectroscopy
A&A 612, A7(2018)
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Deeper H.E.S.S. observations of Vela Junior (RX J0852.0-4622): Morphology studies and resolved spectroscopy
A&A 612, A7(2018)
23.
4/2018
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
The supernova remnant W49B as seen with H.E.S.S. and Fermi-LAT
A&A 612, A5(2018)
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
The supernova remnant W49B as seen with H.E.S.S. and Fermi-LAT
A&A 612, A5(2018)
22.
4/2018
H. E. S. S. Collaboration; Abramowski, A. et al. (inc. Zacharias, M.; Wierzcholska, A.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Detailed spectral and morphological analysis of the shell type supernova remnant RCW 86
A&A 612, A4(2018)
H. E. S. S. Collaboration; Abramowski, A. et al. (inc. Zacharias, M.; Wierzcholska, A.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Detailed spectral and morphological analysis of the shell type supernova remnant RCW 86
A&A 612, A4(2018)
21.
4/2018
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
The population of TeV pulsar wind nebulae in the H.E.S.S. Galactic Plane Survey
A&A 612, A2(2018)
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
The population of TeV pulsar wind nebulae in the H.E.S.S. Galactic Plane Survey
A&A 612, A2(2018)
20.
4/2018
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
H.E.S.S. observations of RX J1713.7-3946 with improved angular and spectral resolution: Evidence for gamma-ray emission extending beyond the X-ray emitting shell
A&A 612, A6(2018)
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
H.E.S.S. observations of RX J1713.7-3946 with improved angular and spectral resolution: Evidence for gamma-ray emission extending beyond the X-ray emitting shell
A&A 612, A6(2018)
19.
4/2018
MAGIC Collaboration; Ahnen, M. L. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Constraints on particle acceleration in SS433/W50 from MAGIC and H.E.S.S. observations
A&A 612, A14(2018)
MAGIC Collaboration; Ahnen, M. L. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Rieger, F.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Constraints on particle acceleration in SS433/W50 from MAGIC and H.E.S.S. observations
A&A 612, A14(2018)
18.
5/2017
Acero, F.; Aloisio, R. et al. (inc. Zacharias, M.; Wagner, S. J.; Quirrenbach, A.; Mohammed, M.)
Prospects for Cherenkov Telescope Array Observations of the Young Supernova Remnant RX J1713.7−3946
ApJ 840, 74(2017)
Acero, F.; Aloisio, R. et al. (inc. Zacharias, M.; Wagner, S. J.; Quirrenbach, A.; Mohammed, M.)
Prospects for Cherenkov Telescope Array Observations of the Young Supernova Remnant RX J1713.7−3946
ApJ 840, 74(2017)
17.
4/2017
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Gamma-ray blazar spectra with H.E.S.S. II mono analysis: The case ofPKS 2155-304 and PG 1553+113
A&A 600, A89(2017)
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Gamma-ray blazar spectra with H.E.S.S. II mono analysis: The case of
A&A 600, A89(2017)
16.
3/2017
Zacharias, Michael; Chen, Xuhui; Wagner, Stefan J.
Attenuation of TeV γ-rays by the starlight photon field of the host galaxy
MNRAS 465, 3767(2017)
Zacharias, Michael; Chen, Xuhui; Wagner, Stefan J.
Attenuation of TeV γ-rays by the starlight photon field of the host galaxy
MNRAS 465, 3767(2017)
15.
1/2017
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
First limits on the very-high energy gamma-ray afterglow emission of a fast radio burst. H.E.S.S. observations of FRB 150418
A&A 597, A115(2017)
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
First limits on the very-high energy gamma-ray afterglow emission of a fast radio burst. H.E.S.S. observations of FRB 150418
A&A 597, A115(2017)
14.
1/2017
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Characterizing the γ-ray long-term variability of PKS 2155-304 with H.E.S.S. and Fermi-LAT
A&A 598, A39(2017)
H. E. S. S. Collaboration; Abdalla, H. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Characterizing the γ-ray long-term variability of PKS 2155-304 with H.E.S.S. and Fermi-LAT
A&A 598, A39(2017)
13.
10/2016
Abdalla, H.; Abramowski, A. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
H.E.S.S. Limits on Linelike Dark Matter Signatures in the 100 GeV to 2 TeV Energy Range Close to the Galactic Center
PhRvL 117, o1302(2016)
Abdalla, H.; Abramowski, A. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
H.E.S.S. Limits on Linelike Dark Matter Signatures in the 100 GeV to 2 TeV Energy Range Close to the Galactic Center
PhRvL 117, o1302(2016)
12.
4/2016
Zacharias, Michael; Wagner, Stefan J.
The extended jet of AP Librae: Origin of the very high-energy γ-ray emission?
A&A 588, A110(2016)
Zacharias, Michael; Wagner, Stefan J.
The extended jet of AP Librae: Origin of the very high-energy γ-ray emission?
A&A 588, A110(2016)
11.
8/2015
H. E. S. S. Collaboration; Abramowski, A. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
H.E.S.S. detection of TeV emission from the interaction region between the supernova remnant G349.7+0.2 and a molecular cloud (Corrigendum)
A&A 580, C1(2015)
H. E. S. S. Collaboration; Abramowski, A. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
H.E.S.S. detection of TeV emission from the interaction region between the supernova remnant G349.7+0.2 and a molecular cloud (Corrigendum)
A&A 580, C1(2015)
10.
3/2015
Abramowski, A.; Aharonian, F. et al. (inc. Zacharias, M.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
The 2012 Flare of PG 1553+113 Seen with H.E.S.S. and Fermi-LAT
ApJ 802, 65(2015)
Abramowski, A.; Aharonian, F. et al. (inc. Zacharias, M.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
The 2012 Flare of PG 1553+113 Seen with H.E.S.S. and Fermi-LAT
ApJ 802, 65(2015)
9.
2/2015
H. E. S. S. Collaboration; Abramowski, A. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
H.E.S.S. reveals a lack of TeV emission from the supernova remnant Puppis A
A&A 575, A81(2015)
H. E. S. S. Collaboration; Abramowski, A. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
H.E.S.S. reveals a lack of TeV emission from the supernova remnant Puppis A
A&A 575, A81(2015)
8.
2/2015
Abramowski, A.; Aharonian, F. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
Constraints on an Annihilation Signal from a Core of Constant Dark Matter Density around the Milky Way Center with H.E.S.S.
PhRvL 114, h1301(2015)
Abramowski, A.; Aharonian, F. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
Constraints on an Annihilation Signal from a Core of Constant Dark Matter Density around the Milky Way Center with H.E.S.S.
PhRvL 114, h1301(2015)
7.
2/2015
Zacharias, M.
Blazars and optical depth in a non-linear, time-dependent injection and cooling scenario
MNRAS 447, 2021(2015)
Zacharias, M.
Blazars and optical depth in a non-linear, time-dependent injection and cooling scenario
MNRAS 447, 2021(2015)
6.
1/2015
H. E. S. S. Collaboration; Abramowski, A. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
H.E.S.S. detection of TeV emission from the interaction region between the supernova remnant G349.7+0.2 and a molecular cloud
A&A 574, A100(2015)
H. E. S. S. Collaboration; Abramowski, A. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
H.E.S.S. detection of TeV emission from the interaction region between the supernova remnant G349.7+0.2 and a molecular cloud
A&A 574, A100(2015)
5.
12/2014
Abramowski, A.; Aharonian, F. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
Search for dark matter annihilation signatures in H.E.S.S. observations of dwarf spheroidal galaxies
PhRvD 90, k2012(2014)
Abramowski, A.; Aharonian, F. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
Search for dark matter annihilation signatures in H.E.S.S. observations of dwarf spheroidal galaxies
PhRvD 90, k2012(2014)
4.
12/2014
Abramowski, A.; Aharonian, F. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Diffuse Galactic gamma-ray emission with H.E.S.S.
PhRvD 90, l2007(2014)
Abramowski, A.; Aharonian, F. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Jankowsky, F.; Cologna, G.)
Diffuse Galactic gamma-ray emission with H.E.S.S.
PhRvD 90, l2007(2014)
3.
11/2014
H. E. S. S. Collaboration; Abramowski, A. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
Long-term monitoring of PKS 2155-304 with ATOM and H.E.S.S.: investigation of optical/γ-ray correlations in different spectral states
A&A 571, A39(2014)
H. E. S. S. Collaboration; Abramowski, A. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
Long-term monitoring of PKS 2155-304 with ATOM and H.E.S.S.: investigation of optical/γ-ray correlations in different spectral states
A&A 571, A39(2014)
2.
10/2014
Abramowski, A.; Aharonian, F. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
Discovery of the Hard Spectrum VHE γ-Ray Source HESS J1641-463
ApJ 794, L1(2014)
Abramowski, A.; Aharonian, F. et al. (inc. Zacharias, M.; Wagner, S. J.; Schwemmer, S.; Quirrenbach, A.; Mohamed, M.; Kaufmann, S.; Jankowsky, F.; Cologna, G.)
Discovery of the Hard Spectrum VHE γ-Ray Source HESS J1641-463
ApJ 794, L1(2014)
1.
10/2014
Zacharias, M.
Inverse Compton light curves of blazars under non-linear, time-dependent synchrotron-self Compton cooling
MNRAS 443, 3001(2014)
Zacharias, M.
Inverse Compton light curves of blazars under non-linear, time-dependent synchrotron-self Compton cooling
MNRAS 443, 3001(2014)
