Free International Offline Conference on Baryons Beyond Galactic Boundaries

Organizer: Inter-University Centre for Astronomy & Astrophysics (IUCAA), Pune University, India

  • When: December 2nd to 6th, 2024
  • Registration Fees: There will be no registration fee
  • Registration closes: 31 July, 2024
  • Mode of Conference: Offline
  • Venue: Inter-University Centre for Astronomy & Astrophysics (IUCAA), located within the picturesque campus of Pune University in India.
  • Accommodation: IUCAA will offer limited complimentary accommodation, with priority given to young researchers with limited resources

Conference Objective:

The primary objective of this conference is to bring together the leading experts and emerging researchers committed to investigating the diffuse baryons in the Circumgalactic Medium (CGM) and Intergalactic Medium (IGM) using various observational techniques and hydrodynamical simulations. Together, we aim to conduct a comprehensive review of the advancements achieved in this field over the past two decades and chart a course for its future developments in the coming years. The full scientific rationale and key questions can be found on the conference website.

Visit Here to Register

More than 90% of the cosmic baryons reside beyond the luminous boundaries of galaxies in the circumgalactic medium (CGM) and intergalactic medium (IGM). Galaxies accrete baryons from the CGM and IGM and grow with time by converting them into stars. The heavy elements produced inside galaxies are again thrown into the CGM and IGM via stellar/active galactic nuclei feedback. Such interactions between galaxies and the CGM and IGM dictate their evolution. Mapping the distribution of cosmic baryons in the CGM and IGM and characterizing their physical properties are thus essential for a comprehensive understanding of galaxy evolution.

Owing to their tenuous nature, the bulk of the baryons in the CGM and IGM are not directly observable in emission. Quasar absorption line spectroscopy paved the way to probe these diffuse baryons. With the advent of sensitive Integral Field Spectrographs (IFS), it is now possible to directly trace the baryons in the relatively denser regions of the CGM and IGM. All such observations posed significant challenges for the simulators. In particular, it has been found that galaxy evolution models that are calibrated to match galaxy properties fail to reproduce CGM properties. The task of achieving the large dynamic range and high spatial resolution necessary to encompass the full range of physical processes presents a formidable challenge.

Code of Conduct:

The organizers are committed to ensuring a conference environment that is safe and free from harassment for all attendees, regardless of gender, sexual orientation, disability, physical appearance, body size, race, age, religion, or socioeconomic status. Harassment includes, but is not limited to, offensive verbal comments, deliberate intimidation, stalking, sustained disruption of talks or events, inappropriate physical contact, and unwelcome sexual attention. We have a zero-tolerance policy towards any form of harassment directed at conference participants.

For any queries: Please write email to –

For Details: Visit Here


The Organising committee
Hum Chand (CUHP)
Anand Narayanan (IIST)
Sowgat Muzahid (IUCAA)
Raghunathan Srianand (IUCAA)

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