C. Alard

3.6k total citations · 1 hit paper
28 papers, 1.4k citations indexed

About

C. Alard is a scholar working on Astronomy and Astrophysics, Instrumentation and Statistical and Nonlinear Physics. According to data from OpenAlex, C. Alard has authored 28 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Astronomy and Astrophysics, 10 papers in Instrumentation and 7 papers in Statistical and Nonlinear Physics. Recurrent topics in C. Alard's work include Galaxies: Formation, Evolution, Phenomena (14 papers), Stellar, planetary, and galactic studies (13 papers) and Astronomy and Astrophysical Research (10 papers). C. Alard is often cited by papers focused on Galaxies: Formation, Evolution, Phenomena (14 papers), Stellar, planetary, and galactic studies (13 papers) and Astronomy and Astrophysical Research (10 papers). C. Alard collaborates with scholars based in France, United States and Chile. C. Alard's co-authors include Robert H. Lupton, R. Gavazzi, Jean‐Paul Kneib, R. Cabanac, S. Colombi, Marceau Limousin, Surhud More, V. Motta, J. Guibert and M. Dantel-Fort and has published in prestigious journals such as The Astrophysical Journal, Monthly Notices of the Royal Astronomical Society and Astronomy and Astrophysics.

In The Last Decade

C. Alard

24 papers receiving 1.4k citations

Hit Papers

A Method for Optimal Image Subtraction 1998 2026 2007 2016 1998 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. A Method for Optimal Image Subtraction
    1998 550 citations C. Alard et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
C. Alard France 13 1.3k 486 172 146 105 28 1.4k
P. L. Shopbell United States 14 1.5k 1.1× 476 1.0× 345 2.0× 95 0.7× 54 0.5× 30 1.6k
R. C. Kraan‐Korteweg South Africa 20 1.2k 0.9× 432 0.9× 294 1.7× 83 0.6× 60 0.6× 89 1.3k
L. Petro United States 17 1.2k 0.9× 415 0.9× 179 1.0× 113 0.8× 37 0.4× 60 1.3k
G. Covone Italy 23 1.3k 1.0× 535 1.1× 325 1.9× 158 1.1× 46 0.4× 73 1.4k
K. Shimasaku Japan 3 1.6k 1.2× 691 1.4× 176 1.0× 104 0.7× 68 0.6× 5 1.7k
Chiara Spiniello Italy 19 1.4k 1.0× 729 1.5× 149 0.9× 195 1.3× 47 0.4× 52 1.5k
Richard Murowinski Canada 15 1.7k 1.3× 977 2.0× 144 0.8× 137 0.9× 35 0.3× 47 1.8k
Richard G. Kron United States 13 1.2k 0.9× 617 1.3× 161 0.9× 64 0.4× 52 0.5× 42 1.3k
J. Blazek United States 13 1.0k 0.7× 434 0.9× 203 1.2× 110 0.8× 42 0.4× 20 1.1k
M. Radovich Italy 24 1.7k 1.3× 774 1.6× 299 1.7× 121 0.8× 77 0.7× 102 1.8k

Countries citing papers authored by C. Alard

Since Specialization
Citations

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

Fields of papers citing papers by C. Alard

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of C. Alard

This figure shows the co-authorship network connecting the top 25 collaborators of C. Alard. A scholar is included among the top collaborators of C. Alard based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with C. Alard. C. Alard is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Alard, C.. (2023). Minimal lensing solutions in the singular perturbative approach. Monthly Notices of the Royal Astronomical Society. 521(4). 4896–4903.
2.
Alard, C.. (2017). Reconstructing the cosmic Horseshoe gravitational lens using the singular perturbative approach.. Monthly Notices of the Royal Astronomical Society. stx085–stx085. 1 indexed citations
3.
More, Anupreeta, R. Cabanac, Surhud More, et al.. (2014). The CFHTLS-Strong Lensing Legacy Survey (SL2S): Investigating the group-scale lenses with the SARCS sample. Journal of Physics Conference Series. 484. 12041–12041. 1 indexed citations
4.
Alard, C.. (2010). Separating inner and outer contributions in gravitational lenses with the perturbative method. Springer Link (Chiba Institute of Technology). 3 indexed citations
5.
Colombi, S., et al.. (2009). Phase-space structures - I. A comparison of 6D density estimators. Monthly Notices of the Royal Astronomical Society. 393(3). 703–722. 11 indexed citations
6.
Alard, C.. (2009). Perturbative reconstruction of a gravitational lens: when mass does not follow light. Astronomy and Astrophysics. 506(2). 609–621. 8 indexed citations
7.
Colombi, S., et al.. (2009). Phase-space structures - II. Hierarchical Structure Finder. Monthly Notices of the Royal Astronomical Society. 396(3). 1329–1348. 31 indexed citations
8.
Peirani, Sébastien, C. Alard, Christophe Pichon, R. Gavazzi, & Dominique Aubert. (2008). Numerical investigation of lens models with substructures using the perturbative method. Monthly Notices of the Royal Astronomical Society. 390(3). 945–957. 11 indexed citations
9.
Alard, C.. (2007). Gravitational arcs as a perturbation of the perfect ring. Monthly Notices of the Royal Astronomical Society Letters. 382(1). L58–L62. 14 indexed citations
10.
Cabanac, R., C. Alard, M. Dantel-Fort, et al.. (2006). The CFHTLS strong lensing legacy survey. Astronomy and Astrophysics. 461(3). 813–821. 109 indexed citations
11.
Alard, C. & S. Colombi. (2005). A cloudy Vlasov solution. Monthly Notices of the Royal Astronomical Society. 359(1). 123–163. 27 indexed citations
12.
Schüller, F., S. Ganesh, M. Messineo, et al.. (2003). Explanatory supplement of the ISOGAL-DENIS Point Source Catalogue. Astronomy and Astrophysics. 403(3). 955–974. 27 indexed citations
13.
Alard, C.. (2001). Metallicity gradients in the Sagittarius dwarf spheroidal galaxy. Springer Link (Chiba Institute of Technology). 22 indexed citations
14.
Delfosse, X., T. Forveille, E. L. Martı́n, et al.. (2001). New neighbours: II. An M9 dwarf at ${\vec d}\sim$ 4 pc, DENIS-P J104814.7-395606.1. Astronomy and Astrophysics. 366(3). L13–L17. 36 indexed citations
15.
Alard, C., et al.. (2001). The Sagittarius dwarf galaxy as a microlensing target. Astronomy and Astrophysics. 369(3). 778–786. 3 indexed citations
16.
Alard, C.. (2000). Image subtraction using a space-varying kernel. Astronomy and Astrophysics Supplement Series. 144(2). 363–370. 398 indexed citations
17.
Catchpole, R. M., P. A. Whitelock, M. W. Feast, et al.. (1999). The Distance and Orientation of the Galactic Bulge from Mira Variables: A Preliminary Report. Symposium - International Astronomical Union. 192. 89–94. 1 indexed citations
18.
Alard, C., et al.. (1996). Light curves and periods of Mira variables. Astronomy and Astrophysics Supplement Series. 120(2). 275–282. 5 indexed citations
19.
Alard, C., Shude Mao, & J. Guibert. (1995). Object DUO 2: a new binary lens candidates ?. A&A. 300. 2 indexed citations
20.
Alard, C., et al.. (1993). Light curves of Miras towards the Galactic centre.. ˜The œMessenger. 73. 31–32.

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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