M. J. Penn
- Astronomy and Astrophysics top 5%
- Solar and Space Plasma Dynamics 25
- Ionosphere and magnetosphere dynamics 9
- Stellar, planetary, and galactic studies 8
- Astro and Planetary Science 7
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- Solar Radiation and Photovoltaics 3
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- Adaptive optics and wavefront sensing 4
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- solar cell performance optimization 6
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- Geomagnetism and Paleomagnetism Studies 4
- Co-authors
- J. R. KuhnW. LivingstonH. LinAlexei PevtsovK. SankarasubramanianH. P. JonesGraham S. KerrH. S. Hudson
- Journals
- The Astrophysical Journal (7 papers)Monthly Notices of the Royal Astronomical Society (1 paper)Space Science Reviews (1 paper)
- Partner nations
- United StatesUnited KingdomBrazil
In The Last Decade
M. J. Penn
35 papers receiving 407 citations
Peers
Comparison fields: 5 of 33
- Astronomy and Astrophysics 382
- Artificial Intelligence 81
- Instrumentation 8
- Oceanography 25
- Atomic and Molecular Physics, and Optics 45
Countries citing papers authored by M. J. Penn
This map shows the geographic impact of M. J. Penn'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 M. J. Penn with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites M. J. Penn more than expected).
Fields of papers citing papers by M. J. Penn
This network shows the impact of papers produced by M. J. Penn. 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 M. J. Penn. The network helps show where M. J. Penn may publish in the future.
Co-authorship network
The 25 scholars most cited alongside M. J. Penn, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.
All Works
| # | Work | ||
|---|---|---|---|
| 1 | 2024 | 2 | |
| 2 | 2022 | 4 | |
| 3 | 2020 | 3 | |
| 4 | 2017 | 28 | |
| 5 | Infrared Flare Observations at 5 and 10 Microns | 2015 | 1 |
| 6 | Coronal Rain Observed On-disk with He I Spectropolarimetry from DST/FIRS | 2012 | 1 |
| 7 | A Decade of Diminishing Sunspot Vigor | 2011 | 1 |
| 8 | Near Infrared Observations of Solar Granulation | 2008 | 1 |
| 9 | Dynamics of Quiet Solar Chromosphere at the Limb | 2008 | 2 |
| 10 | 2008 | 1 | |
| 11 | Recent Results From The NSO Array Camera | 2007 | 1 |
| 12 | 2006 | 76 | |
| 13 | Large-Scale structures and their role in solar activity : proceedings of the 22nd Sacrament Peak workshop held at the national solar observatory, Sacramento Peak, Sunspot, New Mexico, USA 18-22 October 2004 | 2005 | 2 |
| 14 | Large-scale Structures and their Role in Solar Activity | 2005 | 54 |
| 15 | IR Vector Magnetic Fields II: Atomic and Molecular Line Polarization in a Sunspot | 2004 | 1 |
| 16 | Polarization of the Sodium D-Lines in Mercury's Atmosphere | 2002 | 1 |
| 17 | 1998 | 57 | |
| 18 | HE I 10830 A Line Polarimetry: A New Tool to Probe the Filament Magnetic Fields | 1997 | 1 |
| 19 | 1997 | 2 | |
| 20 | 1994 | 4 |
About M. J. Penn
M. J. Penn is a scholar working on Astronomy and Astrophysics, Instrumentation and Atomic and Molecular Physics, and Optics, having authored 35 papers that have together received 419 indexed citations. Recurring topics across this work include Solar and Space Plasma Dynamics (25 papers), Ionosphere and magnetosphere dynamics (9 papers), Stellar, planetary, and galactic studies (8 papers), Astro and Planetary Science (7 papers), solar cell performance optimization (6 papers), Adaptive optics and wavefront sensing (4 papers), Geomagnetism and Paleomagnetism Studies (4 papers) and Solar Radiation and Photovoltaics (3 papers). The work is most often cited by research in Astronomy and Astrophysics (382 citations), Artificial Intelligence (81 citations) and Instrumentation (8 citations). M. J. Penn has collaborated with scholars based in United States, United Kingdom and Brazil. Frequent co-authors include J. R. Kuhn, W. Livingston, H. Lin, Alexei Pevtsov, K. Sankarasubramanian, H. P. Jones, Graham S. Kerr, H. S. Hudson, C. G. Giménez de Castro and Paulo J. A. Simões. Their work appears in journals such as The Astrophysical Journal, Monthly Notices of the Royal Astronomical Society and Space Science Reviews.
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.