LIGO@UMN
Welcome to the University of Minnesota gravitational-wave research group! Our research activities include data analysis for the LIGO and LISA projects, astrophysical and cosmological models of gravitational-wave production and the development of technology for third-generation gravitational-wave detectors.
Recent News
May 2021: Ziyan (Kate) Yang receives the Hoff Lu Fellowship at the School of Physics and Astronomy, University of Minnesota!
May 2021: Alexander Criswell receives the President's Student Leadership and Service award at the University of Minnesota!
April 2020, Sharan Banagiri receives the Aneesur Rahman Award at the University of Minnesota!
September 2019: We initiated the new training program for graduate students, titled Data Science in Multi-Messenger Astrophysics. The program brings together faculty and students from astrophysics and data science disciplines through new courses, workshops, research projects and other activities.
April 2019: Sharan Banagiri receives the Doctoral Dissertation Fellowship at the University of Minnesota!
October 16, 2017: the LIGO Scientific Collaboration and Virgo Collaboration announce the detection of the first binary neutron star merger, GW170817. The merger resulted in a prompt short Gamma Ray Burst, and was later observed in all parts of the electromagnetic spectrum as a kilonova.
February 11, 2016: the LIGO Scientific Collaboration and Virgo Collaboration announce the first direct detection of gravitational waves, produced in a merger of two black holes, GW150914! Paper in Physical Review Letters and on the arXiv.
Recent Publications
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration, Search for anisotropic gravitational-wave backgrounds using data from Advanced LIGO's and Advanced Virgo's first three observing runs, arXiv:2103.08520 (2021).
S.Banagiri et al, Mapping the Gravitational-wave Sky with LISA: A Bayesian Spherical Harmonic Approach, arXiv:2103.00826 (2021)
The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration, Upper Limits on the Isotropic Gravitational-Wave Background from Advanced LIGO's and Advanced Virgo's Third Observing Run, arXiv:2101.12130 (2021).
K.Z. Yang et al, Searching for Cross-Correlation Between Stochastic Gravitational Wave Background and Galaxy Number Counts, Mon. Notices Royal Astron. Soc. 500.2, 1666 (2021).
S. Banagiri et al, Measuring angular N-point correlations of binary black hole merger gravitational-wave events with hierarchical Bayesian inference, Phys. Rev. D 102, 063007 (2020).
The LIGO Scientific Collaboration and Virgo Collaboration, GW190521: A Binary Black Hole Merger with a Total Mass of 150 Msun, Phys. Rev. Lett. 125, 101102 (2020).
M. Coughlin et al., Coherence-based approaches for estimating the composition of the seismic wavefield, J. Geophys. Res.: Solid Earth 124, 2941 (2019).
P. Meyers et al, Direct Observations of Surface‐Wave Eigenfunctions at the Homestake 3D Array, Bull. Seism. Soc. Amer. 109, 1194 (2019).
The LIGO Scientific Collaboration and Virgo Collaboration, All-sky search for long-duration gravitational wave transients in the second Advanced LIGO observing run, Phys. Rev. D 99, 104033 (2019).
The LIGO Scientific Collaboration and Virgo Collaboration, Directional limits on persistent gravitational waves using data from Advanced LIGO's first two observing runs, Phys. Rev. D 100, 062001 (2019).
The LIGO Scientific Collaboration and Virgo Collaboration, Search for the isotropic stochastic background using data from Advanced LIGO's second observing run, Phys. Rev. D 100, 061101(R) (2019).
The LIGO Scientific Collaboration and Virgo Collaboration, Search for gravitational waves from a long-lived remnant of the binary neutron star merger GW170817, Astrophys. J. 875, 160 (2019)
The LIGO Scientific Collaboration and Virgo Collaboration, Constraints on cosmic strings using data from the first Advanced LIGO Observing run, Phys. Rev. D 97, 102002 (2018).
M. Fitz Axen et al., Multi-wavelength observations of cosmological phase transitions using LISA and Cosmic Explorer, Phys. Rev. D 98, 103508 (2018).
The LIGO Scientific Collaboration and Virgo Collaboration, All-sky search for long-duration gravitational wave transients in the first Advanced LIGO observing run, Classical and Quantum Gravity 35, 065009 (2018).
V. Mandic et al., A 3D Broadband Seismometer Array Experiment at the Homestake Mine, Seism. Res. Lett. 89, 2420 (2018).
The LIGO Scientific Collaboration and Virgo Collaboration, GW170817: Implications for the Stochastic Gravitational-Wave Background from Compact Binary Coalescences, Phys. Rev. Lett. 120, 091101 (2018).
The LIGO Scientific Collaboration and Virgo Collaboration, GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral, Phys. Rev. Lett. 119, 161101 (2017).
The LIGO Scientific Collaboration, Virgo Collaboration, and many electromagnetic follow-up partners, Multi-Messenger Observations of a Binary Neutron Star Merger, Astrophys. J. Lett. 848, L12 (2017).
The LIGO Scientific Collaboration and Virgo Collaboration, Directional limits on persistent gravitational waves from Advanced LIGO's first observing run, Phys. Rev. Lett. 118, 121102 (2017).
The LIGO Scientific Collaboration and Virgo Collaboration, Upper Limits on the Stochastic Gravitational-Wave Background from Advanced LIGO's First Observing Run, Phys. Rev. Lett. 118, 121101 (2017).
V. Mandic, S. Bird, and I. Cholis, Stochastic Gravitational-Wave Background due to Primordial Binary Black Hole Mergers, Phys. Rev. Lett. 117, 201102 (2016).
The LIGO Scientific Collaboration and Virgo Collaboration, GW150914: Implications for the Stochastic Gravitational-Wave Background from Binary Black Holes, Phys. Rev. Lett. 116, 131102 (2016).
The LIGO Scientific Collaboration and Virgo Collaboration, Observation of Gravitational Waves from a Binary Black Hole Merger, Phys. Rev. Lett. 116, 061102 (2016).