PIPages
Labs

Karan Jani

Vanderbilt University, TN·Astronomy & Astrophysics·Early-career

Gravitational waves are ripples in spacetime created when massive objects such as black holes collide. They were first detected directly in 2015.

Fields

Astronomy & Astrophysics

Physics

Computer Science

Topics

gravitational waves

intermediate-mass black holes

binary neutron stars

Grants
1 known grant, through Jul 2031

What they work on

  1. Establish a framework for multiband, multi-messenger observation of intermediate-mass black holes and binary neutron star mergers in the 0.1–10 Hz band that LIGO and LISA cannot reach, to guide next-generation gravitational-wave detectors.
  2. Develop foundational AI models trained on public LIGO data to identify intermediate-mass black hole signals that traditional data-analysis methods missed in archived observations.
  3. Launch modular coursework, annual workshops and mentored research pathways in gravitational waves, AI and detector technology for students at R1, R2 and HBCU institutions through the Fisk-Vanderbilt Bridge and LIGO Fellows Programs.

More about the research

Since then, almost 400 events have been reported, along with two surprises. One is black holes with masses in and above the expected supernova mass gap, roughly 60–120 times the Sun's mass. The other is that only one event has also been seen with light, showing how limited multi-messenger astronomy, observing the same event with gravitational waves and light, still is. This project aims to uncover where intermediate-mass black holes (IMBHs) come from and to improve multi-messenger observations of binary neutron star (BNS) mergers.

Why it matters

This work could help reveal how intermediate-mass black holes form and could extend gravitational-wave detection into a frequency band current instruments cannot reach. That would give astronomers more chances to observe neutron star mergers with both gravitational waves and light. The AI tools could also recover missed signals from existing LIGO data.

Known grants

From NIH and NSF research grants. Labs often have other funding we can't see.

CAREER: Building the U.S. Workforce for Multimessenger Astrophysics via Foundational AI and Next-Generation GW Observatories

NSF · Aug 2026 – Jul 2031

Closest labs

Hsin-Yu Chen

University of Texas at Austin, TX·Astronomy & Astrophysics

Quantify systematic uncertainties that electromagnetic counterpart emission from merging neutron stars introduces into standard siren measurements of the Hubble constant.

Tamara Bogdanovic

Georgia Institute of Technology, GA·Astronomy & Astrophysics

Model the time-dependent X-ray brightness and spectra expected from massive black hole binaries as they spiral toward merger while emitting gravitational waves.

Antonios Tsokaros

University of Illinois Urbana-Champaign, IL·Astronomy & Astrophysics

Develop an open-source general relativistic initial data code, based on the COCAL (Compact Object CALculator) code, that lets users set up starting conditions for magnetized neutron stars and black holes, alone or in binaries.

The school

Vanderbilt University: 22 labs on PI Pages, $1.3B a year on research, 494 research doctorates a year.

More about Vanderbilt University

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