Dr. Esra Bulbul

high-energy astrophysics
+49 89 30000-3502
+49 89 30000-3569
X5 1.4.03

Main Focus

Brief Bio: Dr. Esra Bulbul is the lead scientist for eROSITA cluster science and cosmology. She holds a group leader position at the Max Planck Institute for Extraterrestrial Physics. She received her Ph.D. in physics from the NASA Marshall Space Flight Center. She has held a staff scientist position at the Center for Astrophysics | Harvard & Smithsonian (CfA) and postdoctoral fellowships at CfA, MIT, and NASA Goddard Space Flight Center prior to her arrival at MPE. 

Dr. Bulbul's research interests are focused on understanding the growth of structure and the fundamental physics of the universe, including the nature of dark matter and dark energy, by utilizing observations of clusters of galaxies detected in large area multi-wavelength surveys. Dr. Bulbul was recently awarded the European Research Council's Consolidator Grant in 2020 for the project "DarkQuest: Shedding Light on the Nature of Dark Matter and Dark Energy with Multi-wavelength All-Sky Surveys". The ERC Consolidator Grants are awarded to outstanding researchers in Europe with a significant track record and have a succes rate of ~10%


Open Positions:

Administrative Appointments:

  • Chair, eROSITA Clusters and Cosmology Group, 2019 - Present
  • Head, MPE Clusters and Cosmology Group, 2019 - Present
  • Co-chair, Athena Physics Beyond the Standard Model Topical Panel, 2020 - Present
  • Co-chair, NASA Athena Science Study Team, 2019
  • NASA Representative, Athena XIFU Science Advisory Team, 2016 - 2019

Collaboration Memberships:

eROSITA, BabyIAXO, Arcus X-ray Mission, Athena X-ray Observatory, AXIS X-ray Satellite, Hitomi X-ray Observatory, Rubin Observatory, SDSS-V, 4MOST Spectroscopic Telescope, South Pole Telescope



Research Interests:

  • Large Area Multi-wavelength Surveys
  • Cosmology
  • Large Scale Structure
  • Galaxy Groups and Clusters
  • Indirect Searches for Dark Matter

Group Members:

Dr. Vittorio Ghirardini, postdoc (2019 - present)

Dr. Ang Liu, postdoc (2020 - present)

Dr. Christian Garrel, postdoc (2022 - present)

Dr. Xiaoyuan Zhang, postdoc (2022 - present)

Dr. Emmanuel Artis, postdoc (2022 - present)

Dr. Matthias Kluge, postdoc (2022- present)

Dr. Nicola Malavasi, postdoc, Marrie Currie Fellow (2023-)

Emre Bahar, Ph.D. Student (2020 - present)

Soumya Shreeram, Ph.D. Student (2021 - present)

Prabhanjan Kulkarni, master student (2022-present )

Past Group Members:

Justo Gonzales, master student (2021 - 2022)

Sergey Makarov, Master student (2021 - 2022)

Nicolas Baron Perez, Master student (2021 - 2022)

Yusuf Ozsoy, Master student (2020 - 2021)

Guillermo Ayllon, Undergraduate student (2020)

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