C. Karoff

9.3k citations

50 papers · 1.2k · h-index 19

Impact in

Instrumentation top 2%
- Astronomy and Astrophysical Research
Astronomy and Astrophysics top 2%
- Stellar, planetary, and galactic studies
- Astro and Planetary Science
- Astrophysics and Star Formation Studies
- Solar and Space Plasma Dynamics
- Gamma-ray bursts and supernovae

Papers in

Astronomy and Astrophysics 37
- Stellar, planetary, and galactic studies 26
- Astro and Planetary Science 19
- Solar and Space Plasma Dynamics 19
- Astrophysics and Star Formation Studies 13
Instrumentation 11
- Astronomy and Astrophysical Research 11

Co-authors: W. J. Chaplin (10 shared papers)Mads Faurschou Knudsen (17 shared papers)H. Kjeldsen (9 shared papers)Jesper Olsen (14 shared papers)J. Ballot (4 shared papers)R. A. García (4 shared papers)S. Mathur (3 shared papers)Τ. S. Metcalfe (6 shared papers)
Journals: Astronomy and Astrophysics (8 papers)Monthly Notices of the Royal Astronomical Society (6 papers)Radiocarbon (5 papers)Solar Physics (4 papers)The Astrophysical Journal (4 papers)
Partner nations: Denmark United Kingdom United States

In The Last Decade

C. Karoff

49 papers receiving 1.2k citations

Peers

Countries citing papers authored by C. Karoff

Since Specialization

Citations

This map shows the geographic impact of C. Karoff'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 C. Karoff with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites C. Karoff more than expected).

Fields of papers citing papers by C. Karoff

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by C. Karoff. 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 C. Karoff. The network helps show where C. Karoff may publish in the future.

Co-authors

The 25 scholars most cited alongside C. Karoff, 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 C. Karoff Line = papers co-authored together C. Karoff links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 50 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Rotation and magnetism ofKeplerpulsating solar-like stars Astronomy and Astrophysics ·R. A. García, T. Ceillier, D. Salabert, S. Mathur, Jennifer L. van Saders, Marc H. Pinsonneault, J. Ballot, P. G. Beck, S. Bloemen, T. L. Campante, G. R. Davies, J.-D. do Nascimento, S. Mathis, Τ. S. Metcalfe, M. B. Nielsen, J. C. Suárez, W. J. Chaplin, A. Jiménez, C. Karoff	2014	155
2	The connection between stellar granulation and oscillation as seen by theKeplermission Astronomy and Astrophysics ·T. Kallinger, J. De Ridder, S. Hekker, S. Mathur, B. Mosser, M. Gruberbauer, R. A. García, C. Karoff, J. Ballot	2014	138
3	Rotation and magnetism of Kepler pulsating solar-like stars. Towards asteroseismically calibrated age-rotation relations Americanae (AECID Library) ·R. A. García, T. Ceillier, D. Salabert, S. Mathur, Jennifer L. van Saders, Marc H. Pinsonneault, J. Ballot, P. G. Beck, S. Bloemen, T. L. Campante, G. R. Davies, J.-D. do Nascimento, S. Mathis, Τ. S. Metcalfe, M. B. Nielsen, J. C. Suárez, W. J. Chaplin, A. Jiménez, C. Karoff	2014	80
4	Oscillation frequencies for 35Keplersolar-type planet-hosting stars using Bayesian techniques and machine learning Monthly Notices of the Royal Astronomical Society ·G. R. Davies, V. Silva Aguirre, T. R. Bedding, R. Handberg, Mikkel N. Lund, W. J. Chaplin, Daniel Huber, T. R. White, O. Benomar, S. Hekker, Sarbani Basu, T. L. Campante, J. Christensen‐Dalsgaard, Y. Elsworth, C. Karoff, H. Kjeldsen, M. Lundkvist, Τ. S. Metcalfe, Dennis Stello	2015	77
5	The Amplitude of Solar Oscillations Using Stellar Techniques The Astrophysical Journal ·H. Kjeldsen, T. R. Bedding, T. Arentoft, R. Paul Butler, T. H. Dall, C. Karoff, L. L. Kiss, C. G. Tinney, W. J. Chaplin	2008	67
6	Observational evidence for enhanced magnetic activity of superflare stars Nature Communications ·C. Karoff, Mads Faurschou Knudsen, P. De Cat, A. Bonanno, Alexandra Fogtmann-Schulz, Jian-Ning Fu, A. Frasca, Fadil Inceoglu, Jesper Olsen, Yong Zhang, Yonghui Hou, Yuefei Wang, Jianrong Shi, Wei Zhang	2016	66
7	Solar‐like Oscillations in the G2 Subgiant β Hydri from Dual‐Site Observations The Astrophysical Journal ·T. R. Bedding, H. Kjeldsen, T. Arentoft, F. Bouchy, Jacob Brandbyge, Brendon J. Brewer, R. Paul Butler, J. Christensen‐Dalsgaard, T. H. Dall, S. Frandsen, C. Karoff, L. L. Kiss, M. J. P. F. G. Monteiro, F. P. Pijpers, T. C. Teixeira, C. G. Tinney, I. K. Baldry, F. Carrier, S. J. O’Toole	2007	55
8	Solar-like oscillations in the G8 V starτ Ceti Astronomy and Astrophysics ·T. C. Teixeira, H. Kjeldsen, T. R. Bedding, F. Bouchy, J. Christensen‐Dalsgaard, M. S. Cunha, T. H. Dall, S. Frandsen, C. Karoff, M. J. P. F. G. Monteiro, F. P. Pijpers	2008	45
9	Slowdown of the Walker circulation at solar cycle maximum Proceedings of the National Academy of Sciences ·Stergios Misios, Lesley J. Gray, Mads Faurschou Knudsen, C. Karoff, Hauke Schmidt, Joanna D. Haigh	2019	42
10	Grand solar minima and maxima deduced from¹⁰Be and¹⁴C: magnetic dynamo configuration and polarity reversal Astronomy and Astrophysics ·Fadil Inceoglu, R. Simoniello, Mads Faurschou Knudsen, C. Karoff, Jesper Olsen, S. Turck‐Chièze, Bo Holm Jacobsen	2015	34
11	Asteroseismic inference on the spin-orbit misalignment and stellar parameters of HAT-P-7 Springer Link (Chiba Institute of Technology) ·Mikkel N. Lund, M. Lundkvist, V. Silva Aguirre, (unknown), L. Casagrande, Vincent Van Eylen, T. L. Campante, C. Karoff, H. Kjeldsen, Simon Albrecht, W. J. Chaplin, M. B. Nielsen, P. Degroote, G. R. Davies, R. Handberg	2014	33
12	Using Machine Learning Methods to Forecast if Solar Flares Will Be Associated with CMEs and SEPs The Astrophysical Journal ·Fadil Inceoglu, Jacob Høxbroe Jeppesen, Peter Kongstad, Néstor J. Hernández Marcano, Rune Hylsberg Jacobsen, C. Karoff	2018	32
13	Cosmic ray event in 994 C.E. recorded in radiocarbon from Danish oak Geophysical Research Letters ·Alexandra Fogtmann-Schulz, Stine M Østbø, S. G. B. Nielsen, Jesper Olsen, C. Karoff, Mads Faurschou Knudsen	2017	30
14	Mode lifetimes of stellar oscillations Astronomy and Astrophysics ·W. J. Chaplin, G. Houdek, C. Karoff, Y. Elsworth, R. New	2009	29
15	Possible detection of coronal mass ejections on late-type main-sequence stars in LAMOST medium-resolution spectra Astronomy and Astrophysics ·Hongpeng Lu, Hui Tian, Liyun Zhang, C. Karoff, Hechao Chen, Jianrong Shi, Zhenyong Hou, Yajie Chen, Yu Xu, Yu‐chuan Wu, Dongtao Cao, Jiangtao Wang	2022	28
16	Mode lifetimes of stellar oscillations - Implications for asteroseismology arXiv (Cornell University) ·W. J. Chaplin, G. Houdek, C. Karoff, Y. Elsworth, R. New	2009	27
17	Sounding stellar cycles with Kepler – II. Ground-based observations★ Monthly Notices of the Royal Astronomical Society ·C. Karoff, Τ. S. Metcalfe, W. J. Chaplin, S. Frandsen, F. Grundahl, H. Kjeldsen, J. Christensen‐Dalsgaard, M. B. Nielsen, Søren Frimann, A. O. Thygesen, T. Arentoft, T. M. Amby, S. G. Sousa, Derek L. Buzasi	2013	25
18	What Is the Carbon Origin of Early-Wood? Radiocarbon ·Sabrina G K Kudsk, Jesper Olsen, Lasse N Nielsen, Alexandra Fogtmann-Schulz, Mads Faurschou Knudsen, C. Karoff	2018	18
19	Sounding stellar cycles with Kepler - I. Strategy for selecting targets Monthly Notices of the Royal Astronomical Society ·C. Karoff, Τ. S. Metcalfe, W. J. Chaplin, Y. Elsworth, H. Kjeldsen, T. Arentoft, Derek L. Buzasi	2009	18
20	Evidence That Solar Flares Drive Global Oscillations in the Sun The Astrophysical Journal ·C. Karoff, H. Kjeldsen	2008	17

About C. Karoff

C. Karoff is a scholar working on Astronomy and Astrophysics, Instrumentation, Atmospheric Science, Molecular Biology and Global and Planetary Change, having authored 50 papers that have together received 1.2k indexed citations. Recurring topics across this work include Stellar, planetary, and galactic studies (26 papers), Astro and Planetary Science (19 papers), Solar and Space Plasma Dynamics (19 papers), Astrophysics and Star Formation Studies (13 papers), Astronomy and Astrophysical Research (11 papers), Geomagnetism and Paleomagnetism Studies (9 papers), Geology and Paleoclimatology Research (6 papers) and Climate variability and models (4 papers). The work is most often cited by research in Instrumentation (443 citations), Astronomy and Astrophysics (1.1k citations), Paleontology (55 citations), Atmospheric Science (126 citations) and Space and Planetary Science (7 citations). C. Karoff has collaborated with scholars based in Denmark, United Kingdom and United States. Frequent co-authors include W. J. Chaplin, Mads Faurschou Knudsen, H. Kjeldsen, Jesper Olsen, J. Ballot, R. A. García, S. Mathur, Τ. S. Metcalfe, Fadil Inceoglu and T. L. Campante. Their work appears in journals such as Astronomy and Astrophysics, Monthly Notices of the Royal Astronomical Society, Radiocarbon, Solar Physics and The Astrophysical Journal.

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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