Dr Stephen Webster
- Senior Lecturer (Physics & Astronomy)
telephone:
01413305884
email:
Stephen.Webster@gla.systa-s.com
Institute for Gravitational Research, School of Physics and Astronomy, Kelvin Building, University of Glasgow, Glasgow, G12 8QQ
Publications
2026
Graham, V,, Barr, B. ORCID: https://orcid.org/0000-0002-5232-2736, Eichholz, J., Jang, E.J., Oelker, E.
ORCID: https://orcid.org/0000-0002-3916-1595, Spencer, A.
ORCID: https://orcid.org/0000-0003-4418-3366 and Webster, S.
(2026)
Characterisation and stabilisation of 2 µm external cavity diode lasers for gravitational wave detection.
Optics Continuum, 5(3),
pp. 764-771.
(doi: 10.1364/OPTCON.578756)
Abac, A. G. et al. (2026) Black hole spectroscopy and tests of general relativity with GW250114. Physical Review Letters, 136(4), 041403. (doi: 10.1103/6c61-fm1n)
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)
Abbott, R. et al. (2025) Tests of general relativity with GWTC-3. Physical Review D, 112(8), 084080. (doi: 10.1103/PhysRevD.112.084080)
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)
Raman, G. et al. (2025) Swift-BAT GUANO follow-up of gravitational-wave triggers in the third LIGO–Virgo–KAGRA observing run. Astrophysical Journal, 980(2), 207. (doi: 10.3847/1538-4357/ad9749)
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) Search for eccentric black hole coalescences during the third observing run of LIGO and Virgo. Astrophysical Journal, 973(2), 132. (doi: 10.3847/1538-4357/ad65ce)
Abac, A. G. et al. (2024) Ultralight vector dark matter search using data from the KAGRA O3GK run. Physical Review D, 110(4), 042001. (doi: 10.1103/PhysRevD.110.042001)
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)
Abbott, R. et al. (2024) Search for gravitational-wave transients associated with magnetar bursts in advanced LIGO and advanced Virgo data from the third observing run. Astrophysical Journal, 966(1), 137. (doi: 10.3847/1538-4357/ad27d3)
Fletcher, C. et al. (2024) A joint Fermi-GBM and Swift-BAT analysis of gravitational-wave candidates from the third gravitational-wave observing run. Astrophysical Journal, 964(2), 149. (doi: 10.3847/1538-4357/ad1eed)
Abbott, R. et al. (2024) GWTC-2.1: Deep extended catalog of compact binary coalescences observed by LIGO and Virgo during the first half of the third observing run. Physical Review D, 109(2), 022001. (doi: 10.1103/PhysRevD.109.022001)
2023
Abbott, R. et al. (2023) GWTC-3: Compact binary coalescences observed by LIGO and Virgo during the second part of the third observing run. Physical Review X, 13(4), 041039. (doi: 10.1103/PhysRevX.13.041039)
Abbott, R. et al. (2023) Search for gravitational waves associated with fast radio bursts detected by CHIME/FRB during the LIGO–Virgo observing run O3a. Astrophysical Journal, 955(2), 155. (doi: 10.3847/1538-4357/acd770)
Abbott, R. et al. (2023) Search for subsolar-mass black hole binaries in the second part of Advanced LIGO’s and Advanced Virgo’s third observing run. Monthly Notices of the Royal Astronomical Society, 524(4), pp. 5984-5992. (doi: 10.1093/mnras/stad588)
Abbott, R. et al. (2023) Open data from the third observing run of LIGO, Virgo, KAGRA and GEO. Astrophysical Journal Supplement Series, 267(2), 29. (doi: 10.3847/1538-4365/acdc9f)
Abbott, R. et al. (2023) Constraints on the cosmic expansion history from GWTC–3. Astrophysical Journal, 949(2), 76. (doi: 10.3847/1538-4357/ac74bb)
Abbott, R. et al. (2023) Population of merging compact binaries inferred using gravitational waves through GWTC-3. Physical Review X, 13(1), 011048. (doi: 10.1103/PhysRevX.13.011048)
2022
Abbott, R. et al. (2022) Model-based cross-correlation search for gravitational waves from the low-mass X-Ray binary Scorpius X-1 in LIGO O3 data. Astrophysical Journal Letters, 941(2), L30. (doi: 10.3847/2041-8213/aca1b0)
Abbott, R. et al. (2022) All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data. Physical Review D, 106(10), 102008. (doi: 10.1103/PhysRevD.106.102008)
Abbott, R. et al. (2022) Search for gravitational waves from Scorpius X-1 with a hidden Markov model in O3 LIGO data. Physical Review D, 106(6), 062002. (doi: 10.1103/PhysRevD.106.062002)
Abbott, R. et al. (2022) Search for continuous gravitational wave emission from the Milky Way center in O3 LIGO-Virgo data. Physical Review D, 106(4), 042003. (doi: 10.1103/PhysRevD.106.042003)
Abbott, R. et al. (2022) Searches for gravitational waves from known pulsars at two harmonics in the second and third LIGO-Virgo observing runs. Astrophysical Journal, 935(1), 1. (doi: 10.3847/1538-4357/ac6acf)
Abbott, R. et al. (2022) Search for subsolar-mass binaries in the first half of Advanced LIGO’s and Advanced Virgo’s third observing run. Physical Review Letters, 129(6), 061104. (doi: 10.1103/PhysRevLett.129.061104)
Abbott, R. et al. (2022) Narrowband searches for continuous and long-duration transient gravitational waves from known pulsars in the LIGO-Virgo third observing run. Astrophysical Journal, 932(2), 133. (doi: 10.3847/1538-4357/ac6ad0)
Abbott, R. et al. (2022) All-sky, all-frequency directional search for persistent gravitational waves from Advanced LIGO’s and Advanced Virgo’s first three observing runs. Physical Review D, 105(12), 122001. (doi: 10.1103/PhysRevD.105.122001)
Abbott, R. et al. (2022) First joint observation by the underground gravitational-wave detector, KAGRA, with GEO 600. Progress of Theoretical and Experimental Physics, 2022(6), 063F01. (doi: 10.1093/ptep/ptac073)
Abbott, R. et al. (2022) All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data. Physical Review D, 105(10), 102001. (doi: 10.1103/PhysRevD.105.102001)
Abbott, R. et al. (2022) Search for gravitational waves associated with gamma-ray bursts detected by Fermi and Swift during the LIGO–Virgo run O3b. Astrophysical Journal, 928(2), 186. (doi: 10.3847/1538-4357/ac532b)
Abbott, R. et al. (2022) Constraints on dark photon dark matter using data from LIGO’s and Virgo’s third observing run. Physical Review D, 105(6), 063030. (doi: 10.1103/PhysRevD.105.063030)
Abbott, R. et al. (2022) Search for intermediate-mass black hole binaries in the third observing run of Advanced LIGO and Advanced Virgo. Astronomy and Astrophysics, 659, A84. (doi: 10.1051/0004-6361/202141452)
Abbott, R. et al. (2022) Search for continuous gravitational waves from 20 accreting millisecond x-ray pulsars in O3 LIGO data. Physical Review D, 105(2), 022002. (doi: 10.1103/PhysRevD.105.022002)
2021
Abbott, R. et al. (2021) All-sky search for short gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run. Physical Review D, 104(12), 122004. (doi: 10.1103/PhysRevD.104.122004)
Abbott, R. et al. (2021) All-sky search for long-duration gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run. Physical Review D, 104(10), 102001. (doi: 10.1103/PhysRevD.104.102001)
2012
King, S. A., Godun, R. M., Webster, Stephen A., Margolis, H. S., Johnson, L. A. M., Szymaniec, K, Baird, P. E. G. and Gill, P (2012) Absolute frequency measurement of the 2S1/2–2F7/2 electric octupole transition in a single ion of 171Yb+ with 10−15 fractional uncertainty. New Journal of Physics, 14, 013045. (doi: 10.1088/1367-2630/14/1/013045)
2011
Webster, Stephen and Gill, Patrick (2011) Force-insensitive optical cavity. Optics Letters, 36(18), pp. 3572-3574. (doi: 10.1364/OL.36.003572) (PMID:21931394)
2008
Webster, S. A., Oxborrow, M., Pugla, S., Millo, J. and Gill, P. (2008) Thermal-noise-limited optical cavity. Physical Review A: Atomic, Molecular and Optical Physics, 77(3), 033847. (doi: 10.1103/PhysRevA.77.033847)
2007
Webster, S. A., Oxborrow, M. and Gill, P. (2007) Vibration insensitive optical cavity. Physical Review A: Atomic, Molecular and Optical Physics, 75(1), 011801. (doi: 10.1103/PhysRevA.75.011801)
2004
Webster, Stephen A, Oxborrow, Mark and Gill, Patrick (2004) Subhertz-linewidth Nd:YAG laser. Optics Letters, 29(13), (doi: 10.1364/OL.29.001497)
1998
Arlt, J. J., Marago, O., Webster, Stephen, Hopkins, S and Foot, C. J. (1998) A pyramidal magneto-optical trap as a source of slow atoms. Optics Communications, 157(1-6), pp. 303-309. (doi: 10.1016/S0030-4018(98)00499-4)
Articles
Graham, V,, Barr, B. ORCID: https://orcid.org/0000-0002-5232-2736, Eichholz, J., Jang, E.J., Oelker, E.
ORCID: https://orcid.org/0000-0002-3916-1595, Spencer, A.
ORCID: https://orcid.org/0000-0003-4418-3366 and Webster, S.
(2026)
Characterisation and stabilisation of 2 µm external cavity diode lasers for gravitational wave detection.
Optics Continuum, 5(3),
pp. 764-771.
(doi: 10.1364/OPTCON.578756)
Abac, A. G. et al. (2026) Black hole spectroscopy and tests of general relativity with GW250114. Physical Review Letters, 136(4), 041403. (doi: 10.1103/6c61-fm1n)
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)
Abbott, R. et al. (2025) Tests of general relativity with GWTC-3. Physical Review D, 112(8), 084080. (doi: 10.1103/PhysRevD.112.084080)
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)
Raman, G. et al. (2025) Swift-BAT GUANO follow-up of gravitational-wave triggers in the third LIGO–Virgo–KAGRA observing run. Astrophysical Journal, 980(2), 207. (doi: 10.3847/1538-4357/ad9749)
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) Search for eccentric black hole coalescences during the third observing run of LIGO and Virgo. Astrophysical Journal, 973(2), 132. (doi: 10.3847/1538-4357/ad65ce)
Abac, A. G. et al. (2024) Ultralight vector dark matter search using data from the KAGRA O3GK run. Physical Review D, 110(4), 042001. (doi: 10.1103/PhysRevD.110.042001)
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)
Abbott, R. et al. (2024) Search for gravitational-wave transients associated with magnetar bursts in advanced LIGO and advanced Virgo data from the third observing run. Astrophysical Journal, 966(1), 137. (doi: 10.3847/1538-4357/ad27d3)
Fletcher, C. et al. (2024) A joint Fermi-GBM and Swift-BAT analysis of gravitational-wave candidates from the third gravitational-wave observing run. Astrophysical Journal, 964(2), 149. (doi: 10.3847/1538-4357/ad1eed)
Abbott, R. et al. (2024) GWTC-2.1: Deep extended catalog of compact binary coalescences observed by LIGO and Virgo during the first half of the third observing run. Physical Review D, 109(2), 022001. (doi: 10.1103/PhysRevD.109.022001)
Abbott, R. et al. (2023) GWTC-3: Compact binary coalescences observed by LIGO and Virgo during the second part of the third observing run. Physical Review X, 13(4), 041039. (doi: 10.1103/PhysRevX.13.041039)
Abbott, R. et al. (2023) Search for gravitational waves associated with fast radio bursts detected by CHIME/FRB during the LIGO–Virgo observing run O3a. Astrophysical Journal, 955(2), 155. (doi: 10.3847/1538-4357/acd770)
Abbott, R. et al. (2023) Search for subsolar-mass black hole binaries in the second part of Advanced LIGO’s and Advanced Virgo’s third observing run. Monthly Notices of the Royal Astronomical Society, 524(4), pp. 5984-5992. (doi: 10.1093/mnras/stad588)
Abbott, R. et al. (2023) Open data from the third observing run of LIGO, Virgo, KAGRA and GEO. Astrophysical Journal Supplement Series, 267(2), 29. (doi: 10.3847/1538-4365/acdc9f)
Abbott, R. et al. (2023) Constraints on the cosmic expansion history from GWTC–3. Astrophysical Journal, 949(2), 76. (doi: 10.3847/1538-4357/ac74bb)
Abbott, R. et al. (2023) Population of merging compact binaries inferred using gravitational waves through GWTC-3. Physical Review X, 13(1), 011048. (doi: 10.1103/PhysRevX.13.011048)
Abbott, R. et al. (2022) Model-based cross-correlation search for gravitational waves from the low-mass X-Ray binary Scorpius X-1 in LIGO O3 data. Astrophysical Journal Letters, 941(2), L30. (doi: 10.3847/2041-8213/aca1b0)
Abbott, R. et al. (2022) All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data. Physical Review D, 106(10), 102008. (doi: 10.1103/PhysRevD.106.102008)
Abbott, R. et al. (2022) Search for gravitational waves from Scorpius X-1 with a hidden Markov model in O3 LIGO data. Physical Review D, 106(6), 062002. (doi: 10.1103/PhysRevD.106.062002)
Abbott, R. et al. (2022) Search for continuous gravitational wave emission from the Milky Way center in O3 LIGO-Virgo data. Physical Review D, 106(4), 042003. (doi: 10.1103/PhysRevD.106.042003)
Abbott, R. et al. (2022) Searches for gravitational waves from known pulsars at two harmonics in the second and third LIGO-Virgo observing runs. Astrophysical Journal, 935(1), 1. (doi: 10.3847/1538-4357/ac6acf)
Abbott, R. et al. (2022) Search for subsolar-mass binaries in the first half of Advanced LIGO’s and Advanced Virgo’s third observing run. Physical Review Letters, 129(6), 061104. (doi: 10.1103/PhysRevLett.129.061104)
Abbott, R. et al. (2022) Narrowband searches for continuous and long-duration transient gravitational waves from known pulsars in the LIGO-Virgo third observing run. Astrophysical Journal, 932(2), 133. (doi: 10.3847/1538-4357/ac6ad0)
Abbott, R. et al. (2022) All-sky, all-frequency directional search for persistent gravitational waves from Advanced LIGO’s and Advanced Virgo’s first three observing runs. Physical Review D, 105(12), 122001. (doi: 10.1103/PhysRevD.105.122001)
Abbott, R. et al. (2022) First joint observation by the underground gravitational-wave detector, KAGRA, with GEO 600. Progress of Theoretical and Experimental Physics, 2022(6), 063F01. (doi: 10.1093/ptep/ptac073)
Abbott, R. et al. (2022) All-sky search for gravitational wave emission from scalar boson clouds around spinning black holes in LIGO O3 data. Physical Review D, 105(10), 102001. (doi: 10.1103/PhysRevD.105.102001)
Abbott, R. et al. (2022) Search for gravitational waves associated with gamma-ray bursts detected by Fermi and Swift during the LIGO–Virgo run O3b. Astrophysical Journal, 928(2), 186. (doi: 10.3847/1538-4357/ac532b)
Abbott, R. et al. (2022) Constraints on dark photon dark matter using data from LIGO’s and Virgo’s third observing run. Physical Review D, 105(6), 063030. (doi: 10.1103/PhysRevD.105.063030)
Abbott, R. et al. (2022) Search for intermediate-mass black hole binaries in the third observing run of Advanced LIGO and Advanced Virgo. Astronomy and Astrophysics, 659, A84. (doi: 10.1051/0004-6361/202141452)
Abbott, R. et al. (2022) Search for continuous gravitational waves from 20 accreting millisecond x-ray pulsars in O3 LIGO data. Physical Review D, 105(2), 022002. (doi: 10.1103/PhysRevD.105.022002)
Abbott, R. et al. (2021) All-sky search for short gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run. Physical Review D, 104(12), 122004. (doi: 10.1103/PhysRevD.104.122004)
Abbott, R. et al. (2021) All-sky search for long-duration gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run. Physical Review D, 104(10), 102001. (doi: 10.1103/PhysRevD.104.102001)
King, S. A., Godun, R. M., Webster, Stephen A., Margolis, H. S., Johnson, L. A. M., Szymaniec, K, Baird, P. E. G. and Gill, P (2012) Absolute frequency measurement of the 2S1/2–2F7/2 electric octupole transition in a single ion of 171Yb+ with 10−15 fractional uncertainty. New Journal of Physics, 14, 013045. (doi: 10.1088/1367-2630/14/1/013045)
Webster, Stephen and Gill, Patrick (2011) Force-insensitive optical cavity. Optics Letters, 36(18), pp. 3572-3574. (doi: 10.1364/OL.36.003572) (PMID:21931394)
Webster, S. A., Oxborrow, M., Pugla, S., Millo, J. and Gill, P. (2008) Thermal-noise-limited optical cavity. Physical Review A: Atomic, Molecular and Optical Physics, 77(3), 033847. (doi: 10.1103/PhysRevA.77.033847)
Webster, S. A., Oxborrow, M. and Gill, P. (2007) Vibration insensitive optical cavity. Physical Review A: Atomic, Molecular and Optical Physics, 75(1), 011801. (doi: 10.1103/PhysRevA.75.011801)
Webster, Stephen A, Oxborrow, Mark and Gill, Patrick (2004) Subhertz-linewidth Nd:YAG laser. Optics Letters, 29(13), (doi: 10.1364/OL.29.001497)
Arlt, J. J., Marago, O., Webster, Stephen, Hopkins, S and Foot, C. J. (1998) A pyramidal magneto-optical trap as a source of slow atoms. Optics Communications, 157(1-6), pp. 303-309. (doi: 10.1016/S0030-4018(98)00499-4)