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Granada. 24th-28th April 2023

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The Galactic Center Workshop will be held in the "Escuela Técnica Superior de Arquitectura" (Granada) from Monday April 24th, to Friday, April 28th, 2023.

The Galactic Center has often been called a "unique astrophysical laboratory”. This is as true as ever and the Galactic Center  keeps providing rich inspiration and data to study an impressive number of science questions. In this conference we will review the progress in our field over that past four years and focus on some spectacular results. We will also link the physics of the Galactic Center to other galactic nuclei and galaxy evolution in general. The last meeting of the Galactic Center community took place in Yokohama in October 2019 (GCWS 2019 It is high time for the next edition of this series of conferences, which will be held in Granada, Spain, at the end of April 2023.

Main science topics:

  • Sagittarius A*

  • The inner parsec

  • The ISM and magnetic fields at the GC

  • Star formation and feedback

  • High energy processes, Dark Matter

  • Extreme/singular objects

  • Stellar population and dynamics

  • Structure and formation history of the GC

  • The GC in the context of nearby nuclei and galaxy evolution


  • Rainer Schödel (Chair), IAA-CSIC, Spain

  • Zhen Cao, PI LHAASSO

  • Vitor Cardoso, Universidade de Lisboa, Portugal

  • Maïca Clavel, Université Grenoble Alpes, France

  • Frank Eisenhauer MPE, Germany

  • José Luis Gómez, IAA-CSIC, Spain

  • Jonathan Henshaw MPIA, Germany

  • Cornelia Lang, University of Iowa, USA

  • Steve Longmore Liverpool, John Moores University, UK

  • Michela Mapelli University of Padova, Italy

  • Sera Markoff, University of Amsterdam, Netherlands

  • Smadar Naoz, UCLA, USA

  • Nadine Neumayer MPIA, Germany

  • Masayoshi Nobukawa Nara University of Education

  • Tomoharu Oka, Keio University, Japan

  • Subhashis Roy, National Centre for Radio Astrophysics, India


  • Angela Gardini (Chair), IAA-CSIC

  • Miguel Cano, IAA-CSIC

  • Eulalia Gallego Cano, IAA-CSIC

  • Francisco Nogueras Lara, MPIA

  • Álvaro Martínez, IAA-CSIC

  • Nadeen Sabha, University of Innsbruck


Please take note of our Code of Behaviour. (“Code of Behaviour” linked to

If you would like to report an incident and need help, you can contact with LOC members Angela Gardini, Eulalia Gallego, or Álvaro Martínez

Call for abstracts

Participants interested in presenting a communication are invited to submit an abstract before Tuesday, February 28th, 2023. The final program with the allocated talks and posters will be communicated by the middle of March. 

Abstratcs must be submitted through the submission form.

Important dates

  • Registation opening: Tuesday, November 29th 2022 

  • Abstract submission deadline: Tuesday, February 28th 2023

  • Communication to authors: Tuesday, March 15th 2023

  • Meeting: from April 24th to 28th 2023


You can contact the Local Organizing Committee at:


You can contact the Scientific Organizing Committee at:



Monday, April 24th

Registration open from 8:15h on

09:15 - 09:30 Welcome - Rainer Schödel

09:30 - 10:30  Opening Talk: Reinhard Genzel

10:30 - 13:40 Session 1: Sagittarius A*

Chair: Kelly Kosmo 

10:30 - 11:00 Daryl Haggard: EHT results on Sgr A* (invited)

11:00 - 11:30 Stefan Gillessen: GRAVITY results on Sgr A* (invited)

11:30 - 11:50 Coffee Break

11:50 - 12:10 Gunther Witzel: Metrics for time domain characterization of Sgr A*'s variability 

12:10 - 12:30 Joseph Michail: Modeling Submillimeter Polarization Light Curves of Sgr A*

12:30 - 12:50 Antonia Drescher: Flares as dynamical probes for the mass of Sgr A*

12:50 - 13:10 Felix Widmann: Polarized hotspots orbiting Sgr A*

13:10 - 13:30 Felix Mang: Discovering faint stars around SgrA* with GRAVITY and G^R

13:30 - 15:20 Lunch break

15:20 - 19:10 Session 2: The inner parsec 

Chair: Shogo Nishiyama 

15:20 - 16:00 Tuan Do The Central Parsec: A Review (review)

16:00 - 16:20 Devin Chu: Evidence of a decreased binary fraction for massive stars within 20 milliparsecs of the supermassive black hole at the Galactic Center

16:20 - 16:40 Abhimat Gautam: Measurement of a high stellar binary fraction among the young, massive stars in the central half parsec

16:40 - 17:00 Eric Zhang: Constraints on the Possibility of an Intermediate-Mass Black Hole in the Galactic Center

17:00 - 17:20 Coffee Break

Chair: Gunther Witzel 

17:20 - 17:50 Diego Calderón: Stellar winds and accretion onto Sgr A* (invited)

17:50 - 18:10 Shogo Nishiyama: Metallicity distribution of late-type stars in the central pc of our Galaxy

18:10 - 18:30 Kelly Kosmo: Is there a dark cusp at the Galactic Center?

18:30 - 18:50 Giovanni Stel: Iron Kα echoes from the Circumnuclear Disk orbiting Sgr A*

19:30h Public Talk: “Galaxias & Agujeros Negros (un viaje de 40 años)”, Reinhard Genzel, Parque de las Ciencias (see map) (in English with Spanish slides and simultaneous translation to Spanish)

Tuesday, April 25th

10:00 - 13:40 Session 3: The ISM and magnetic fields at the GC

Chair: Maya Petkova

10:00 - 10:40 Dave Chuss: The Galactic Center Magnetic Field (review)

10:40 - 11:10 Thushara Pillai: The magnetic field in the CMZ and its relation to star formation (invited)

11:10 - 11:30 Mark Morris: Atomic Oxygen Emission from the Central Parsecs of the Galaxy

11:30 - 11:50 Coffee Break

Chair: Robin Tress

11:50 - 12:20 Kumiko Nobukawa - XRISM observations of the GC (invited)

12:20 - 12:40 Natalie Butterfield: General Results from the FIREPLACE Pilot Program

12:40 - 13:00 Juergen Ott: The ‘Missing  Link’: Properties and Processes within the Accretion flow of Gas from the Milky Way disk to the CMZ

13:00 - 13:20 Maya Petkova: The role of the Galactic potential in shaping the structure and kinematics of the CMZ cloud ‘the Brick’

13:20 - 13:40 Aaron Bryant: Far-Infrared Imaging Spectroscopy of the Galactic Centre’s Circumnuclear Disk

13:40 - 15:30 Lunch break

15:30 - 19:10 Session 4: Star formation and feedback at the GC - part 1

Chair: Nadeen Sabha 

15:30 - 16:10 Mattia Sormani: Star formation and feedback at the GC - Part 1 (review)

16:10 - 16:30 Katharina Immer: Tracing the gas flows in the inner Galaxy with maser astrometric observations

16:30 - 16:50 Diederik Kruijssen: Gas flows from the Milky Way disc to its nucleus: cloud evolution and star formation in the CMZ

16:50 - 17:10 Coffee Break

Chair: Katharina Immer 

17:10 - 17:40 Adam Ginsburg: Millimeter surveys of the Central Molecular Zone: ACES, CMZoom, JACKS, TENS (invited)

17:40 - 18:00 Leonardo Chaves: Gas dynamics and star formation in the Central Molecular Zone and its connection with the Galactic Bar

18:00 - 18:20 Matthew Hosek: The Arches and Quintuplet Clusters: Exploring Scenarios for Star Formation Near the Galactic Center 

18:20 - 18:40 Paco Najarro: The Arches cluster revisited

18:40 - 19:00 Nadeen Sabha: Star Formation in the Galactic Centre's Circumnuclear Disk

Poster Viewing

19:00 Optional tour of Granada city center

20:30 Icebreaker at Escuela de Estudios Árabes (see map)

Wednesday, April 26th

Thursday, April 27th

10:00 - 13:00 Session 6: High energy processes, Dark Matter

Chair: Anna Ciurlo

10:00 - 10:40 Jim Hinton (review)

10:40 - 11:10 Ruizhi Yang: LHASSO and its implications for the future of high energy GC observations (invited)

11:10 - 11:30 Sruthiranjani Ravikularaman: Checkmate: Can cosmic rays explain the high ionisation rate in the Galactic Centre?

11:30 - 11:50 Coffee Break

Chair: Elena Rossi 

11:50 - 12:20 Konstantina Anastasopoulou: The Galactic Centre X-ray excess (invited)

12:20 - 12:40 Joanna Berteaud: Investigating the gamma-ray Galactic Center Excess with X-ray and radio data

12:40 - 13:00 Francesco Conte: Gamma-gamma absorption in the Galactic Center

13:00 - 19:00 - Session 7: Extreme/singular Objects

13:00 - 13:20 Cuc Dinh: High Resolution Color Temperature Map of the Central Half-Parsec of the Galaxy

13:20 - 13:40 Shifra Mandel: The X-ray Binary Population in the Galactic Center

Chair: Michal  Zajaček 

13:40 - 15:30 Lunch Break

15:30 - 16:10 Anna Ciurlo: Properties and origin the G objects (review)

16:10 - 16:30 James Owen: The G-clouds as planet forming circumstellar discs?

16:30 - 16:50 Randy Campbell: The Swansong of the Galactic Center Source X7

16:50 - 17:10 Coffee Break

Chair: Anja Feldmeier-Krause

17:10 - 17:30 Michal Zajaček: Dust-enshrouded star near supermassive black hole: Application to Galactic center G-objects and other low-luminosity galactic nuclei

17:30 - 18:00 Elena Rossi: Hypervolocity stars and their implications for the Galactic Centre (invited)

18:00 - 18:20 Maria Melamed: Multi-Wavelength Observations of the Galactic Center Object G1

18:20 - 18:40 Pablo Torne: Where are the neutron stars in the Galactic Center?

18:40 - 19:00 Andrew Miller: Gravitational-wave constraints on the pulsar explanation of the Galactic-Center GeV excess

Poster Viewing

22:00 Alhambra guided tour. Night visit

Friday, April 28th

10:00 - 13:40 Session 8: Structure and formation history of the GC

Chair: Camila de Sá Freitas

10:00 - 10:40 Anja Feldmeier-Krause: Structure and formation history of the Galactic Center (review)

10:40 - 11:10 Francisco Nogueras-Lara: The Nuclear Stellar Disc: Properties, formation history and recent star formation (invited)

11:10 - 11:30 Jennifer Friske: Chemical Evolution in the Nuclear Disk

11:30 - 11:50 Sanghyuk Moon: Effects of magnetic fields on star formation and gas flows in galactic centers


11:50 - 12:10 Coffee Break

Chair: Francisco Nogueras-Lara 

12:10 - 12:40 Daisuke Kawata: The formation epoch of the Galactic bar revealed with the Nuclear Stellar Disk and JASMINE (invited)

12:40 - 13:00 Zhuo Chen: A new window on star formation history at the Galactic Center

13:00 - 13:20 Mike Rich: New Results on the Galactic bulge and implications for the Galactic Center

13:20 - 15:30 Lunch break

15:30 - 19:00 Session 9: The GC in the context of nearby nuclei and galaxy evolution

Chair: Mélanie Chevance

15:30 - 15:50 Niels Nieuwmunster: Detailed alpha abundance trends in the inner regions of the Galaxy

15:50 - 16:30 Nadine Neumayer The Galactic Center in the context of nearby nuclear star clusters and galaxy evolution (Review)

16:30 - 16:50 Francesca Pinna: Unveiling the connection between the formation of nuclear star clusters and the evolution of their host galaxies

16:50 - 17:10 Coffee Break

Chair: Zhuo Chen 

17:10 - 17:30 Rei Enokiya: Geometric structure and star formation in the CMZ of NGC253

17:30 - 18:00 Dimitri Gadotti: Insights into galactic nuclei from the TIMER survey (invited)

18:00 - 18:20 Camila de Sá Freitas: Milky Way in context: the cosmic epoch of bar formation and the nuclear disc evolution of nearby galaxies

18:20 - 18:40 Mélanie Chevance: Uncovering the Lifecycle of Galactic Nuclei by Mapping Extragalactic 'Central Molecular Zones’

18:40 - Good-bye - Rainer Shödel


This Meeting will be an in-person meeting. To formalize the participation you must fill the mandatory fields in the registration form (If the form is not displayed, click here). Payment can be made by bank transfer or credit card through the registration platform. If bank transfer is chosen, you must state clearly the name and the reference received by email.​

The conference fee for all registrations received before Monday, April 3rd 2023 will be 430 euros. The registration fee includes all coffee breaks listed in the program, welcome cocktail, the conference dinner on Wednesday evening and the welcome pack. From April 3rd onward the registration fee will have a surcharge of 50€.

Other social activities listed in the program like tours or the Alhambra night visit are not included in the registration fee. All those activities must be chosen in the options field

Companions are welcome at all social activities. Please, contact the Technical Secretariat ( to register companions in the activities.



The Meeting will take place at the “Escuela Técnica Superior de Arquitectura (Granada)”, Campo del Príncipe, s/n, 18071 Granada

How to get to Granada?


Federico García Lorca Airport (GRANADA)
Federico García Lorca Airport is currently connected by six daily flights to Madrid and three daily flights to Barcelona. It is located 15km from the city centre, with buses to and from each flight.
Check here all airlines connections with Granada.

Pablo Picasso Airport (MALAGA)
The Pablo Picasso International Airport is located approximately 130km from Granada, connected to every European city with regular daily flights and can be reached in just over one hour by car or bus
A direct bus to Granada leaves directly from the terminal.  
information on buses from/to airports Granada and Málaga:


Granada can be reached by high speed trains  and medium distance trains.

For information, timetables and destinations see:


Granada can be easily reached by bus.  For information, timetables and destinations see:

Please, before preparing your trip, check the latest news and restrictions related to COVID here:



Granada is a very popular destination, especially in the spring.  We therefore encourage you to make your hotel reservations as early as possible.  Hotels close to the “Realejo” quarter  or one of the Gran Via bus stops are very conveniently located with respect to the conference venue, the "Escuela técnica Superior de Arquitectura”




Technical Secretariat · Baobab Eventos  ·

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