# P. T. O’Brien

**Type:** Researchers  
**Canonical URL:** https://scholariq.org/researchers/p-t-o-brien/

## Facts

| Field | Value |
| --- | --- |
| Citations | 58,175 |
| Field | Gamma-ray bursts and supernovae |
| h-index | 106 |
| i10-index | 374 |
| Last Known Institution | University of Leicester |
| OpenAlex ID | https://openalex.org/A5030720985 |
| ORCID iD | https://orcid.org/0000-0002-5128-1899 |
| Works | 1,219 |

## Researcher papers

- [Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. I - an 8 month campaign of monitoring NGC 5548 with IUE](https://scholariq.org/papers/steps-toward-determination-of-the-size-and-structure-of-the-broad-line-region-in/)
- [Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. 5: Variability of the ultraviolet continuum and emission lines of NGC 3783](https://scholariq.org/papers/steps-toward-determination-of-the-size-and-structure-of-the-broad-line-region-in-2/)

## Researcher topics

- [Gamma-ray bursts and supernovae](https://scholariq.org/topics/gamma-ray-bursts-and-supernovae/)
- [Astrophysical Phenomena and Observations](https://scholariq.org/topics/astrophysical-phenomena-and-observations/)
- [Pulsars and Gravitational Waves Research](https://scholariq.org/topics/pulsars-and-gravitational-waves-research/)
- [Astrophysics and Cosmic Phenomena](https://scholariq.org/topics/astrophysics-and-cosmic-phenomena/)
- [Astronomical Observations and Instrumentation](https://scholariq.org/topics/astronomical-observations-and-instrumentation/)

## Researcher university

- [University of Leicester](https://scholariq.org/institutions/university-of-leicester/)

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Source: ScholarIQ — public research metadata, principally OpenAlex. See https://scholariq.org/sources/ for provenance and https://scholariq.org/methodology/ for what these figures mean.
