Ruprecht-Karls-Universität Heidelberg

Dr. Michael Zacharias

Landessternwarte



Büro
Hauptgebäude, Room 115

Post-Adresse
Zentrum für Astronomie der Universität Heidelberg
Landessternwarte
Königstuhl 12
69117 Heidelberg





Forschungsgebiete
Active galaxies, non-thermal radiation processes, multimessenger approach



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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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 of PKS 2155-304 and PG 1553+113
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)

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)

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)

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)

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)

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)

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)

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)

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)

7.
2/2015
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)

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)

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)

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)

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)

1.
10/2014
Zacharias, M.
Inverse Compton light curves of blazars under non-linear, time-dependent synchrotron-self Compton cooling
MNRAS 443, 3001(2014)

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