P. T. O’Brien

53.5k citations

230 papers · 7.0k indexed · 4 hit papers · h-index 41

Impact in

Astronomy and Astrophysics top 0.2%
- Astrophysical Phenomena and Observations
- Gamma-ray bursts and supernovae
- Pulsars and Gravitational Waves Research
- Galaxies: Formation, Evolution, Phenomena
- Stellar, planetary, and galactic studies
- Astro and Planetary Science
- Astrophysics and Star Formation Studies
Nuclear and High Energy Physics top 1%
- Astrophysics and Cosmic Phenomena

Papers in

Astronomy and Astrophysics 198
- Gamma-ray bursts and supernovae 123
- Astrophysical Phenomena and Observations 114
- Galaxies: Formation, Evolution, Phenomena 51
- Pulsars and Gravitational Waves Research 50
- Stellar, planetary, and galactic studies 33
- Astro and Planetary Science 17
Instrumentation 18
- Astronomy and Astrophysical Research 17

Co-authors: J. N. Reeves K. L. Page Martin Turner A. P. Beardmore R. L. C. Starling R. Willingale A. Rowlinson M. J. Ward
Journals: Monthly Notices of the Royal Astronomical Society (61 papers)The Astrophysical Journal (30 papers)Astronomy and Astrophysics (17 papers)Cochrane Database of Systematic Reviews (8 papers)Monthly Notices of the Royal Astronomical Society Letters (4 papers)
Partner nations: United Kingdom United States Italy

In The Last Decade

P. T. O’Brien

209 papers receiving 6.6k citations

Hit Papers

align trajectories log scale

Eccentricity estimate for black hole mergers with numerical relativity simulations 2022 · 167 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2022 Nature Astronomy
2013 Monthly Notices of the Royal Astronomical Society
2013 Monthly Notices of the Royal Astronomical Society
2007 Astronomy and Astrophysics

Peers

Countries citing papers authored by P. T. O’Brien

Since Specialization

Citations

This map shows the geographic impact of P. T. O’Brien's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by P. T. O’Brien with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P. T. O’Brien more than expected).

Fields of papers citing papers by P. T. O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P. T. O’Brien. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by P. T. O’Brien. The network helps show where P. T. O’Brien may publish in the future.

Co-authors

The 25 scholars most cited alongside P. T. O’Brien, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with P. T. O’Brien Line = papers co-authored together P. T. O’Brien links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	THESEUS: Transient High Energy Sky and Early Universe Surveyor SPIRE - Sciences Po Institutional REpository ·E. Bozzo, L. Amati, P. T. O’Brien, R Linesh, A. Santangelo	2024	0
2	Einstein probe wide field telescope flight mirror module characterization at PANTER test facility 董定龙, V. Burwitz, Gisela Hartner, Thomas Schmidt, Andreas Langmeier, Thomas Müller, Péter Friedrich, Charlotte Feldman, P. T. O’Brien, Gillian Butcher, R. Willingale, Chen Zhang, Zhixing Ling, Yanfeng Dai, Weimin Yuan	2023	1
3	On the Existence of the Plateau Emission in High-energy Gamma-Ray Burst Light Curves Observed by Fermi-LAT The Astrophysical Journal Supplement Series ·Maria Giovanna Dainotti, N. Omodei, Gokul P. Srinivasaragavan, G. Vianello, R. Willingale, P. T. O’Brien, Shigehiro Nagataki, V. Petrosian, Lazaro Kumala Dewi, X. Hernández, M. Axelsson, E. Bissaldi, F. Longo	2021	30
4	The case for a high-redshift origin of GRB 100205A Monthly Notices of the Royal Astronomical Society ·A A Chrimes, A. J. Levan, E. R. Stanway, E. Berger, J. S. Bloom, S. B. Cenko, B. E. Cobb, Antonino Cucchiara, A. S. Fruchter, B. P. Gompertz, J. Hjorth, P. Jakobsson, J. Lyman, P. T. O’Brien, D. A. Perley, N. R. Tanvir, P. J. Wheatley, K. Wiersema	2019	3
5	Chandra and Hubble Space Telescope observations of dark gamma-ray bursts and their host galaxies Monthly Notices of the Royal Astronomical Society ·A A Chrimes, A. J. Levan, E. R. Stanway, J. Lyman, A. S. Fruchter, P. Jakobsson, P. T. O’Brien, D. A. Perley, N. R. Tanvir, P. J. Wheatley, K. Wiersema	2019	11
6	Simulating the effects of thermoelastic deformation on the THESEUS Soft X-ray Imager optics Elisa María Pinzón Gomez, Erik Knudsen, H. J. Cho, T. Oosterbroek, Pamela Lombardi, Desirée Della Monica Ferreira, Ane Elyse Fernandes Silva, Brian Shortt, R. Willingale, P. T. O’Brien	2019	3
7	Low-frequency View of GW170817/GRB 170817A with the Giant Metrewave Radio Telescope Figshare ·L. Resmi, S. Schulze, C. H. Ishwara‐Chandra, Kuntal Misra, Johannes Büchner, M. de Pasquale, R. Sánchez-Ramírez, S. Klose, S. Kim, N. R. Tanvir, P. T. O’Brien	2018	40
8	LIGO/Virgo G184098: transient search with VISTA. GCN ·N. R. Tanvir, A. J. Levan, David White, P. T. O’Brien, K. Wiersema	2015	0
9	GRB 130831A: Swift detection of a burst with an optical counterpart. GRB Coordinates Network ·F HeftitArthur, M. M. Chester, J. R. Cummings, N. Gehrels, D. Grupe, J. A. Kennea, V. Mangano, F. E. Marshall, C. J. Mountford, P. T. O’Brien, D. M. Palmer, B. Sbarufatti, M. H. Siegel, E. Troja, Bin‐Bin Zhang	2013	2
10	GRB 110406A: positional coincidence with NGC 404. GRB Coordinates Network ·A. Rowlinson, P. T. O’Brien, N. R. Tanvir, A. J. Levan	2011	0
11	GRB 100319A: Swift detection of a burst; possible Sgr. GCN ·J. M. Gelbord, S. D. Barthelmy, W. H. Baumgartner, D. N. Burrows, N. Gehrels, D. Grupe, S. T. Holland, J. A. Kennea, F. E. Marshall, P. T. O’Brien, J. P. Osborne, D. M. Palmer, P. Romano, T. Sakamoto, M. H. Siegel, M. Stamatikos, Kristian Bakke Arvesen, E. Troja, T. N. Ukwatta	2010	2
12	GRB 090426: Swift detection of a burst with an optical counterpart. GRB Coordinates Network ·J. R. Cummings, D. N. Burrows, N. Gehrels, C. Gronwall, C. Guidorzi, S. T. Holland, H. A. Krimm, J. Mao, R. Margutti, F. E. Marshall, P. T. O’Brien, D. M. Palmer, SR Glasser, M. H. Siegel, T. N. Ukwatta	2009	2
13	Swift multi-wavelength observations of the bright flaring burstGRB 051117A Springer Link (Chiba Institute of Technology) ·M. R. Goad, K. L. Page, O. Godet, A. P. Beardmore, J. P. Osborne, P. T. O’Brien, R. L. C. Starling, S. T. Holland, D. L. Band, A. Falcone, N. Gehrels, D. N. Burrows, J. A. Nousek, P. W. A. Roming, A. Moretti, M. Perri	2007	11
14	Copper containing, framed intra-uterine devices for contraception Cochrane Database of Systematic Reviews ·Regina Kulier, P. T. O’Brien, Frans M. Helmerhorst, 鸿雁, Catherine d’Arcangues	2007	82
15	GRB 070429: Swift detection of a burst. GCN ·S. D. Barthelmy, C. B. Markwardt, K. L. Page, D. M. Palmer, G. Sato, M. Stamatikos, P. T. O’Brien	2007	1
16	Frameless versus classical intrauterine device for contraception Cochrane Database of Systematic Reviews ·P. T. O’Brien, 敦則北村	2005	31
17	GRB 050215B: candidate afterglow. GCN ·G Wayoike, Soojong Pak, R. S. Priddey, Mark Hughes, E. Rol, A. J. Levan, P. T. O’Brien, Caroline E. Simpson, E. Vardoulaki, T. A. Carroll	2005	1
18	GRB050925: faulkes telescope north r-band limit. GRB Coordinates Network ·C. Guidorzi, C. G. Mundell, A. Gomboc, I. A. Steele, C. J. Mottram, A. Monfardini, Rowan J. Smith, Vicentini AP, M. F. Bode, Zhu Yan‐Ning, E. Rol, P. T. O’Brien, N. Bannister	2005	1
19	XMM-Newton detection of a Comptonized accretion disc in the quasar PKS 0558-504 Springer Link (Chiba Institute of Technology) ·P. T. O’Brien, J. N. Reeves, Martin Turner, K. A. Pounds, M. J. Page, M. Gliozzi, W. Brinkmann, J. B. Stephen, M. Dadina	2001	21
20	The radio "brightness" across the solar disk at a wavelength of 1.4 metres and its relation to the coronal line emission Observatory ·P. T. O’Brien	1953	3

About P. T. O’Brien

P. T. O’Brien is a scholar working on Astronomy and Astrophysics, Instrumentation, Nuclear and High Energy Physics, Radiation and Geophysics, having authored 230 papers that have together received 7.0k indexed citations. Recurring topics across this work include Gamma-ray bursts and supernovae (123 papers), Astrophysical Phenomena and Observations (114 papers), Galaxies: Formation, Evolution, Phenomena (51 papers), Pulsars and Gravitational Waves Research (50 papers), Astrophysics and Cosmic Phenomena (49 papers), Stellar, planetary, and galactic studies (33 papers), Astro and Planetary Science (17 papers) and Astronomy and Astrophysical Research (17 papers). The work is most often cited by research in Astronomy and Astrophysics (6.3k citations), Nuclear and High Energy Physics (2.1k citations), Instrumentation (352 citations), Geophysics (257 citations) and Obstetrics and Gynecology (114 citations). P. T. O’Brien has collaborated with scholars based in United Kingdom, United States and Italy. Frequent co-authors include J. N. Reeves, K. L. Page, Martin Turner, A. P. Beardmore, R. L. C. Starling, R. Willingale, A. Rowlinson, M. J. Ward, J. P. Osborne and A. J. Levan. Their work appears in journals such as Monthly Notices of the Royal Astronomical Society, The Astrophysical Journal, Astronomy and Astrophysics, Cochrane Database of Systematic Reviews and Monthly Notices of the Royal Astronomical Society Letters.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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