X. Delfosse

16.4k citations

148 papers · 6.5k · 3 hit papers · h-index 45

Impact in

Instrumentation top 0.2%
- Astronomy and Astrophysical Research
Astronomy and Astrophysics top 0.2%
- Stellar, planetary, and galactic studies
- Astrophysics and Star Formation Studies
- Astro and Planetary Science
- Gamma-ray bursts and supernovae
- Galaxies: Formation, Evolution, Phenomena
- Solar and Space Plasma Dynamics
- Astrophysical Phenomena and Observations

Papers in

Astronomy and Astrophysics 142
- Stellar, planetary, and galactic studies 133
- Astrophysics and Star Formation Studies 77
- Astro and Planetary Science 64
- Astrophysical Phenomena and Observations 8
- Gamma-ray bursts and supernovae 8
Instrumentation 73
- Astronomy and Astrophysical Research 73

Co-authors: T. Forveille (87 shared papers)S. Udry (51 shared papers)X. Bonfıls (48 shared papers)F. Bouchy (35 shared papers)F. Pepe (31 shared papers)C. Lovis (31 shared papers)N. C. Santos (28 shared papers)M. Mayor (37 shared papers)
Journals: Astronomy and Astrophysics (55 papers)Monthly Notices of the Royal Astronomical Society (18 papers)The Astronomical Journal (9 papers)The Astrophysical Journal (5 papers)Nature (2 papers)
Partner nations: France United States Switzerland

In The Last Decade

X. Delfosse

142 papers receiving 6.2k citations

X. Delfosse's Hit Papers

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The HARPS search for southern extra-solar planets 2009 · 206 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2009 Astronomy and Astrophysics
2008 ArXiv.org
2007 Astronomy and Astrophysics

Peers

Countries citing papers authored by X. Delfosse

Since Specialization

Citations

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

Fields of papers citing papers by X. Delfosse

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authors

The 25 scholars most cited alongside X. Delfosse, 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 X. Delfosse Line = papers co-authored together X. Delfosse 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 148 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	THE CANADA-FRANCE HIGH-zQUASAR SURVEY: NINE NEW QUASARS AND THE LUMINOSITY FUNCTION AT REDSHIFT 6 The Astronomical Journal ·Chris J. Willott, P. Delorme, C. Reylé, Loïc Albert, J. Bergeron, D. Crampton, X. Delfosse, T. Forveille, John B. Hutchings, R. J. McLure, A. Omont, D. Schade	2010	308
2	Spectroscopic Classification of Late-M and L Field Dwarfs The Astronomical Journal ·E. L. Martı́n, X. Delfosse, Gibor Basri, B. Goldman, T. Forveille, M. R. Zapatero Osorio	1999	281
3	The HARPS search for southern extra-solar planets Astronomy and Astrophysics ·S. Udry, X. Bonfıls, X. Delfosse, T. Forveille, M. Mayor, C. Perrier, F. Bouchy, C. Lovis, F. Pepe, D. Queloz, Jean‐Loup Bertaux Hit paper breakdown →	2007	269
4	Large-scale magnetic topologies of late M dwarfs★ Monthly Notices of the Royal Astronomical Society ·J. Morin, J.‐F. Donati, P. Petit, X. Delfosse, T. Forveille, M. Jardine	2010	258
5	The HARPS search for southern extra-solar planets. XVII. Super-Earth and Neptune-mass planets in multiple planet systems HD47186 and HD181433 ArXiv.org ·F. Bouchy, M. Mayor, C. Lovis, S. Udry, W. Benz, Jean‐Loup Bertaux, X. Delfosse, C. Mordasini, F. Pepe, D. Queloz, D. Ségransan Hit paper breakdown →	2008	238
6	A giant comet-like cloud of hydrogen escaping the warm Neptune-mass exoplanet GJ 436b Nature ·D. Ehrenreich, V. Bourrier, P. J. Wheatley, A. Lecavelier des Étangs, G. Hébrard, S. Udry, X. Bonfıls, X. Delfosse, Jean-Michel Désert, David K. Sing, A. Vidal‐Madjar	2015	236
7	The HARPS search for southern extra-solar planets Astronomy and Astrophysics ·M. Mayor, X. Bonfıls, T. Forveille, X. Delfosse, S. Udry, Jean‐Loup Bertaux, H. Beust, F. Bouchy, C. Lovis, F. Pepe, C. Perrier, D. Queloz, N. C. Santos Hit paper breakdown →	2009	206
8	Large-scale magnetic topologies of early M dwarfs^★ Monthly Notices of the Royal Astronomical Society ·J.‐F. Donati, J. Morin, P. Petit, X. Delfosse, T. Forveille, M. Aurière, R. Cabanac, B. Dintrans, R. Farès, T. Gastine, M. M. Jardine, F. Lignières, F. Paletou, Robinson Ramírez‐Vélez, S. Théado	2008	196
9	Four Quasars above Redshift 6 Discovered by the Canada-France High-zQuasar Survey The Astronomical Journal ·Chris J. Willott, P. Delorme, A. Omont, J. Bergeron, X. Delfosse, T. Forveille, Loïc Albert, C. Reylé, Gary J. Hill, Michael Gully-Santiago, Phillip Vinten, D. Crampton, J. B. Hutchings, D. Schade, Luc Simard, Marcin Sawicki, A. Beelen, P. Cox	2007	161
10	The HARPS survey for southern extra-solar planets Astronomy and Astrophysics ·N. C. Santos, F. Bouchy, M. Mayor, F. Pepe, D. Queloz, S. Udry, C. Lovis, M. Bazot, W. Benz, Jean‐Loup Bertaux, G. Lo Curto, X. Delfosse, C. Mordasini, D. Naef, J. P. Sivan, S. Vauclair	2004	143
11	Metallicity of M dwarfs I. A photometric calibration and impact on the mass-luminosity relation at the bottom of the main sequence arXiv (Cornell University) ·X. Bonfıls, X. Delfosse, S. Udry, N. C. Santos, T. Forveille, D. Ségransan	2005	135
12	The HARPS search for southern extra-solar planets Astronomy and Astrophysics ·X. Bonfıls, T. Forveille, X. Delfosse, S. Udry, M. Mayor, C. Perrier, F. Bouchy, F. Pepe, D. Queloz, Jean‐Loup Bertaux	2005	135
13	An Effective Temperature Scale for Late‐M and L Dwarfs, from Resonance Absorption Lines of Csiand Rbi The Astrophysical Journal ·Gibor Basri, Subhanjoy Mohanty, F. Allard, P. H. Hauschildt, X. Delfosse, E. L. Martı́n, T. Forveille, B. Goldman	2000	126
14	The Large-Scale Axisymmetric Magnetic Topology of a Very-Low-Mass Fully Convective Star Science ·J.‐F. Donati, T. Forveille, A. Collier Cameron, J. R. Barnes, X. Delfosse, M. Jardine, Jeff A. Valenti	2006	122
15	The HARPS search for southern extra-solar planets. VI. A Neptune-mass planet around the nearby M dwarf Gl 581 ArXiv.org ·X. Bonfıls, T. Forveille, X. Delfosse, S. Udry, M. Mayor, C. Perrier, F. Bouchy, F. Pepe, D. Queloz, Jean‐Loup Bertaux	2005	115
16	Hint of a transiting extended atmosphere on 55 Cancri b Astronomy and Astrophysics ·D. Ehrenreich, V. Bourrier, X. Bonfıls, A. Lecavelier des Étangs, G. Hébrard, David K. Sing, P. J. Wheatley, A. Vidal‐Madjar, X. Delfosse, S. Udry, T. Forveille, C. Moutou	2012	101
17	Metallicity of M dwarfs I. A photometric calibration and impact on the mass-luminosity relation at the bottom of the main sequence HAL (Le Centre pour la Communication Scientifique Directe) ·X. Bonfıls, X. Delfosse, S. Udry, N. C. Santos, T. Forveille, D. Ségransan	2005	100
18	Mass-radius relation of low and very low-mass stars revisited with the VLTI Astronomy and Astrophysics ·Brice-Olivier Demory, D. Ségransan, T. Forveille, D. Queloz, J. L. Beuzit, X. Delfosse, E. Di Folco, P. Kervella, J.-B. Le Bouquin, C. Perrier, M. Benisty, G. Duvert, Karl H. Hofmann, B. López, R. Petrov	2009	94
19	The HARPS search for southern extra-solar planets. X. A m sin i = 11 M_â planet around the nearby spotted M dwarf GJ 674 X. Bonfıls, M. Mayor, X. Delfosse, T. Forveille, M. Gillon, C. Perrier, S. Udry, F. Bouchy, C. Lovis, F. Pepe, D. Queloz, N. C. Santos, Jean‐Loup Bertaux	2007	93
20	Long-term magnetic activity of a sample of M-dwarf stars from the HARPS program Astronomy and Astrophysics ·J. Gomes da Silva, N. C. Santos, X. Bonfıls, X. Delfosse, T. Forveille, S. Udry	2011	92

About X. Delfosse

X. Delfosse is a scholar working on Astronomy and Astrophysics, Instrumentation, Atomic and Molecular Physics, and Optics, Computational Mechanics and Spectroscopy, having authored 148 papers that have together received 6.5k indexed citations. Recurring topics across this work include Stellar, planetary, and galactic studies (133 papers), Astrophysics and Star Formation Studies (77 papers), Astronomy and Astrophysical Research (73 papers), Astro and Planetary Science (64 papers), Adaptive optics and wavefront sensing (14 papers), Astronomical Observations and Instrumentation (11 papers), Astrophysical Phenomena and Observations (8 papers) and Gamma-ray bursts and supernovae (8 papers). The work is most often cited by research in Instrumentation (2.3k citations), Astronomy and Astrophysics (6.3k citations), Nuclear and High Energy Physics (246 citations), Computational Mechanics (307 citations) and Spectroscopy (240 citations). X. Delfosse has collaborated with scholars based in France, United States and Switzerland. Frequent co-authors include T. Forveille, S. Udry, X. Bonfıls, F. Bouchy, F. Pepe, C. Lovis, N. C. Santos, M. Mayor, D. Queloz and Jean‐Loup Bertaux. Their work appears in journals such as Astronomy and Astrophysics, Monthly Notices of the Royal Astronomical Society, The Astronomical Journal, The Astrophysical Journal and Nature.

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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X. Delfosse

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