Mr Steven O'Shea
- Technician (Physics & Astronomy)
telephone:
01413306411
email:
Steven.O'Shea@glasgow.ac.uk
R327A Level 3, Physics & Astronomy, Kelvin Building, Glasgow G12 8QQ
Publications
2026
Abac, A. G. et al. (2026) Upper limits on the isotropic gravitational-wave background from the first part of LIGO, Virgo, and KAGRA’s fourth observing run. Physical Review D, 114(4), 042001. (doi: 10.1103/wq57-sjt2)
Abac, A. G. et al. (2026) GWTC-4.0: constraints on the cosmic expansion rate and modified gravitational-wave propagation. Astrophysical Journal Letters, 1007(1), L17. (doi: 10.3847/2041-8213/ae69dd)
Abac, A. G. et al. (2026) Searches for continuous gravitational waves from supernova remnants in the first part of the LIGO-Virgo-KAGRA fourth observing run. Astrophysical Journal, 1004(2), 204. (doi: 10.3847/1538-4357/ae6263)
Abac, A. G. et al. (2026) Directed searches for gravitational waves from ultralight vector boson clouds around merger remnant and galactic black holes during the first part of the fourth LIGO-Virgo-KAGRA observing run. Physical Review D, 114(2), 022006. (doi: 10.1103/mjfs-m6t7)
Abac, A. G. et al. (2026) Directional search for persistent gravitational waves: Results from the first part of LIGO-Virgo-KAGRA’s fourth observing run. Physical Review D, 114(2), 022001. (doi: 10.1103/wgp7-t8r8)
Abac, A. G. et al. (2026) Search for planetary-mass ultracompact binaries using data from the first part of the LIGO–Virgo–KAGRA fourth observing run. Physical Review D, 114(2), 022005. (doi: 10.1103/s551-7pch)
Abac, A. G. et al. (2026) GWTC-4.0: population properties of merging compact binaries. Astrophysical Journal Letters, 1005(2), L51. (doi: 10.3847/2041-8213/ae771e)
Abbasi, R. et al. (2026) Deep search for joint sources of gravitational waves and high-energy neutrinos with IceCube during the third observing run of LIGO and Virgo. Astrophysical Journal, 1003(1), 41. (doi: 10.3847/1538-4357/ae4e1b)
Abac, A. G. et al. (2026) All-sky search for long-duration gravitational-wave transients in the first part of the fourth LIGO-Virgo-KAGRA observing run. Physical Review D, 113(8), 082004. (doi: 10.1103/83j3-pgk1)
2025
Abac, A.G. et al. (2025) GWTC-4.0: An introduction to Version 4.0 of the Gravitational-Wave Transient Catalog. Astrophysical Journal Letters, 995(1), L18. (doi: 10.3847/2041-8213/ae0c06)
Abac, A. G. et al. (2025) Search for gravitational waves emitted from SN 2023ixf. Astrophysical Journal, 985(2), 183. (doi: 10.3847/1538-4357/adc681)
Abac, A. G. et al. (2025) Search for continuous gravitational waves from known pulsars in the first part of the fourth LIGO-Virgo-KAGRA observing run. Astrophysical Journal, 983(2), 99. (doi: 10.3847/1538-4357/adb3a0)
2024
Abac, A. G. et al. (2024) A search using GEO600 for gravitational waves coincident with fast radio bursts from SGR 1935+2154. Astrophysical Journal, 977(2), 255. (doi: 10.3847/1538-4357/ad8de0)
Abac, A. G. et al. (2024) Observation of gravitational waves from the coalescence of a 2.5–4.5 M ⊙ compact object and a neutron star. Astrophysical Journal Letters, 970(2), L34. (doi: 10.3847/2041-8213/ad5beb)
Articles
Abac, A. G. et al. (2026) Upper limits on the isotropic gravitational-wave background from the first part of LIGO, Virgo, and KAGRA’s fourth observing run. Physical Review D, 114(4), 042001. (doi: 10.1103/wq57-sjt2)
Abac, A. G. et al. (2026) GWTC-4.0: constraints on the cosmic expansion rate and modified gravitational-wave propagation. Astrophysical Journal Letters, 1007(1), L17. (doi: 10.3847/2041-8213/ae69dd)
Abac, A. G. et al. (2026) Searches for continuous gravitational waves from supernova remnants in the first part of the LIGO-Virgo-KAGRA fourth observing run. Astrophysical Journal, 1004(2), 204. (doi: 10.3847/1538-4357/ae6263)
Abac, A. G. et al. (2026) Directed searches for gravitational waves from ultralight vector boson clouds around merger remnant and galactic black holes during the first part of the fourth LIGO-Virgo-KAGRA observing run. Physical Review D, 114(2), 022006. (doi: 10.1103/mjfs-m6t7)
Abac, A. G. et al. (2026) Directional search for persistent gravitational waves: Results from the first part of LIGO-Virgo-KAGRA’s fourth observing run. Physical Review D, 114(2), 022001. (doi: 10.1103/wgp7-t8r8)
Abac, A. G. et al. (2026) Search for planetary-mass ultracompact binaries using data from the first part of the LIGO–Virgo–KAGRA fourth observing run. Physical Review D, 114(2), 022005. (doi: 10.1103/s551-7pch)
Abac, A. G. et al. (2026) GWTC-4.0: population properties of merging compact binaries. Astrophysical Journal Letters, 1005(2), L51. (doi: 10.3847/2041-8213/ae771e)
Abbasi, R. et al. (2026) Deep search for joint sources of gravitational waves and high-energy neutrinos with IceCube during the third observing run of LIGO and Virgo. Astrophysical Journal, 1003(1), 41. (doi: 10.3847/1538-4357/ae4e1b)
Abac, A. G. et al. (2026) All-sky search for long-duration gravitational-wave transients in the first part of the fourth LIGO-Virgo-KAGRA observing run. Physical Review D, 113(8), 082004. (doi: 10.1103/83j3-pgk1)
Abac, A.G. et al. (2025) GWTC-4.0: An introduction to Version 4.0 of the Gravitational-Wave Transient Catalog. Astrophysical Journal Letters, 995(1), L18. (doi: 10.3847/2041-8213/ae0c06)
Abac, A. G. et al. (2025) Search for gravitational waves emitted from SN 2023ixf. Astrophysical Journal, 985(2), 183. (doi: 10.3847/1538-4357/adc681)
Abac, A. G. et al. (2025) Search for continuous gravitational waves from known pulsars in the first part of the fourth LIGO-Virgo-KAGRA observing run. Astrophysical Journal, 983(2), 99. (doi: 10.3847/1538-4357/adb3a0)
Abac, A. G. et al. (2024) A search using GEO600 for gravitational waves coincident with fast radio bursts from SGR 1935+2154. Astrophysical Journal, 977(2), 255. (doi: 10.3847/1538-4357/ad8de0)
Abac, A. G. et al. (2024) Observation of gravitational waves from the coalescence of a 2.5–4.5 M ⊙ compact object and a neutron star. Astrophysical Journal Letters, 970(2), L34. (doi: 10.3847/2041-8213/ad5beb)