Maartens, Roy
University of the Western Cape,
South Africa
2025 Rank: 9,121
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Nuclear & Particle Physics
SubField 2:
Astronomy & Astrophysics
Rank in SubField 1: 118 out of 158,450 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 9,121 | 8,687 |
| Total Cites | 15,352 | 18,346 |
| H-index | 66 | 74 |
| Hm-index | 37 | 39 |
| Number of Single Authored Papers | 21 | 21 |
| Total Cites to Single Authored Papers | 1,784 | 1,870 |
| Number of Single+First Authored Papers | 69 | 69 |
| Total Cites to Single+First Authored Papers | 4,278 | 4,661 |
| Number of Single+First+Last Authored Papers | 183 | 183 |
| Total Cites to Single+First+Last Authored Papers | 9,429 | 10,738 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 9,914 | 11,042 |
| Ratio of Total Citations to Distinct Citing Papers | 1.55 | 1.66 |
| Self-Citation Percentage |
16.32%
|
|
Maartens, Roy
University of the Western Cape,
South Africa
2024 Rank: 8,798
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Nuclear & Particle Physics
SubField 2:
Astronomy & Astrophysics
Rank in SubField 1: 119 out of 151,105 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 8,798 | 8,178 |
| Total Cites | 14,274 | 16,947 |
| H-index | 64 | 74 |
| Hm-index | 36 | 39 |
| Number of Single Authored Papers | 21 | 21 |
| Total Cites to Single Authored Papers | 1,731 | 1,817 |
| Number of Single+First Authored Papers | 68 | 68 |
| Total Cites to Single+First Authored Papers | 4,117 | 4,484 |
| Number of Single+First+Last Authored Papers | 173 | 173 |
| Total Cites to Single+First+Last Authored Papers | 8,989 | 10,240 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 9,109 | 10,071 |
| Ratio of Total Citations to Distinct Citing Papers | 1.57 | 1.68 |
| Self-Citation Percentage |
15.77%
|
|
Maartens, Roy
University of the Western Cape,
South Africa
2023 Rank: 8,615
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Nuclear & Particle Physics
SubField 2:
Astronomy & Astrophysics
Rank in SubField 1: 118 out of 145,764 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 8,615 | 7,914 |
| Total Cites | 13,351 | 15,802 |
| H-index | 62 | 72 |
| Hm-index | 35 | 38 |
| Number of Single Authored Papers | 20 | 20 |
| Total Cites to Single Authored Papers | 1,684 | 1,769 |
| Number of Single+First Authored Papers | 67 | 67 |
| Total Cites to Single+First Authored Papers | 3,968 | 4,326 |
| Number of Single+First+Last Authored Papers | 170 | 170 |
| Total Cites to Single+First+Last Authored Papers | 8,621 | 9,834 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 8,464 | 9,290 |
| Ratio of Total Citations to Distinct Citing Papers | 1.58 | 1.70 |
| Self-Citation Percentage |
15.51%
|
|
Maartens, Roy
University of Portsmouth,
United Kingdom
2022 Rank: 8,059
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Nuclear & Particle Physics
SubField 2:
Astronomy & Astrophysics
Rank in SubField 1: 120 out of 141,567 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 8,059 | 7,684 |
| Total Cites | 12,453 | 14,720 |
| H-index | 60 | 67 |
| Hm-index | 35 | 38 |
| Number of Single Authored Papers | 20 | 20 |
| Total Cites to Single Authored Papers | 1,628 | 1,713 |
| Number of Single+First Authored Papers | 67 | 67 |
| Total Cites to Single+First Authored Papers | 3,777 | 4,134 |
| Number of Single+First+Last Authored Papers | 169 | 169 |
| Total Cites to Single+First+Last Authored Papers | 8,192 | 9,359 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 7,858 | 8,598 |
| Ratio of Total Citations to Distinct Citing Papers | 1.58 | 1.71 |
| Self-Citation Percentage |
15.40%
|
|
Maartens, Roy
University of Portsmouth,
United Kingdom
2021 Rank: 7,858
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Nuclear & Particle Physics
SubField 2:
Astronomy & Astrophysics
Rank in SubField 1: 127 out of 135,975 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 7,858 | 7,620 |
| Total Cites | 11,868 | 14,008 |
| H-index | 59 | 67 |
| Hm-index | 35 | 36 |
| Number of Single Authored Papers | 20 | 20 |
| Total Cites to Single Authored Papers | 1,584 | 1,666 |
| Number of Single+First Authored Papers | 65 | 65 |
| Total Cites to Single+First Authored Papers | 3,656 | 4,003 |
| Number of Single+First+Last Authored Papers | 163 | 163 |
| Total Cites to Single+First+Last Authored Papers | 7,893 | 9,015 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 7,486 | 8,193 |
| Ratio of Total Citations to Distinct Citing Papers | 1.59 | 1.71 |
| Self-Citation Percentage |
15.28%
|
|
Maartens, Roy
University of Portsmouth,
United Kingdom
2020 Rank: 7,172
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Physics & Astronomy
SubField 1:
Nuclear & Particle Physics
SubField 2:
Astronomy & Astrophysics
Rank in SubField 1: 105 out of 110,499 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 7,172 | 6,762 |
| Total Cites | 11,105 | 13,081 |
| H-index | 55 | 63 |
| Hm-index | 34 | 36 |
| Number of Single Authored Papers | 22 | 22 |
| Total Cites to Single Authored Papers | 1,695 | 1,791 |
| Number of Single+First Authored Papers | 68 | 68 |
| Total Cites to Single+First Authored Papers | 3,607 | 3,965 |
| Number of Single+First+Last Authored Papers | 169 | 169 |
| Total Cites to Single+First+Last Authored Papers | 7,598 | 8,704 |
| Composite Score | 4 | 4 |
| Number of Distinct Citing Papers | 6,937 | 7,601 |
| Ratio of Total Citations to Distinct Citing Papers | 1.60 | 1.72 |
| Self-Citation Percentage |
15.11%
|
|
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