S. Udry

75.2k citations
467 papers · 22.5k · 16 hit papers · h-index 78

Impact in

  • Instrumentation top 0.02%
    • Astronomy and Astrophysical Research
  • Astronomy and Astrophysics top 0.01%
    • Stellar, planetary, and galactic studies
    • Astrophysics and Star Formation Studies
    • Astro and Planetary Science
    • Gamma-ray bursts and supernovae
    • Solar and Space Plasma Dynamics

Papers in

  • Astronomy and Astrophysics 457
    • Stellar, planetary, and galactic studies 447
    • Astrophysics and Star Formation Studies 292
    • Astro and Planetary Science 271
    • Gamma-ray bursts and supernovae 15
  • Instrumentation 220
    • Astronomy and Astrophysical Research 220
Co-authors
M. Mayor (251 shared papers)N. C. Santos (169 shared papers)D. Queloz (206 shared papers)F. Pepe (199 shared papers)C. Lovis (137 shared papers)F. Bouchy (106 shared papers)X. Bonfıls (67 shared papers)D. Ségransan (99 shared papers)
Journals
Astronomy and Astrophysics (200 papers)Monthly Notices of the Royal Astronomical Society (30 papers)The Astrophysical Journal (9 papers)Astronomy and Astrophysics Supplement Series (6 papers)Nature (5 papers)
Partner nations
SwitzerlandFrancePortugal

In The Last Decade

S. Udry

446 papers receiving 21.6k citations

S. Udry's Hit Papers

A giant comet-like cloud of hydrogen escaping the warm Neptune-mass exoplanet GJ 436b 2015 · 257 citations
2570+7+14Years since publication250500750
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.
  1. 2015 Nature
  2. 2012 Nature
  3. 2011 Astronomy and Astrophysics
  4. 2010 Astronomy and Astrophysics
  5. 2010 Research Portal (Queen's University Belfast)
  6. 2009 Nature
  7. 2009 Astronomy and Astrophysics
  8. 2008 Astronomy and Astrophysics
  9. 2008 ArXiv.org
  10. 2008 ArXiv.org
  11. 2007 Astronomy and Astrophysics
  12. 2007 Annual Review of Astronomy and Astrophysics
  13. 2006 Nature
  14. 2005 Astronomy and Astrophysics
  15. 2004 ArXiv.org
  16. 2004 Astronomy and Astrophysics

Peers

S. Udry
Comparison fields: 5 of 92
  • Instrumentation 8.0k
  • Astronomy and Astrophysics 21.9k
  • Nuclear and High Energy Physics 773
  • Geophysics 552
  • Atmospheric Science 732
Replace D. Queloz with:
D. Queloz Switzerland
M. Mayor Switzerland
N. C. Santos Portugal
Geoffrey W. Marcy United States
F. Pepe Switzerland
M. Asplund Australia
James Liebert United States
David W. Latham United States
R. Paul Butler United States
C. Lovis Switzerland
S. Udry relative to D. Queloz Switzerland D. Queloz's profile →
Citations per field
00.5×1.7×
D. Queloz · 1×
Citations per year

Countries citing papers authored by S. Udry

Since Specialization
Citations

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

Fields of papers citing papers by S. Udry

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authors

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

All Works

20 of 20 papers shown

Showing the 20 most-cited of 467 papers — load more, or switch the sort, to bring in the rest.

#Work
1
The Geneva-Copenhagen survey of the Solar neighbourhood
Astronomy and Astrophysics ·B. Nordström, M. Mayor, J. Andersen, Johan Holmberg, F. Pont, Bjarne Rosenkilde Jørgensen, E. H. Olsen, S. Udry, N. Mowlavï
Hit paper breakdown →		2004976
2
The Geneva-Copenhagen survey of the Solar neighbourhood: Ages, metallicities, and kinematic properties of 14,000 F and G dwarfs
ArXiv.org ·B. Nordström, M. Mayor, J. Andersen, Johan Holmberg, F. Pont, Bjarne Rosenkilde Jørgensen, E. H. Olsen, S. Udry, N. Mowlavï
Hit paper breakdown →		2004781
3
A super-Earth transiting a nearby low-mass star
Nature ·David Charbonneau, Zachory K. Berta-Thompson, Jonathan Irwin, Christopher J. Burke, P. Nutzman, Lars A. Buchhave, C. Lovis, X. Bonfıls, David W. Latham, S. Udry, Ruth Murray‐Clay, Matthew J. Holman, E. Falco, Joshua N. Winn, D. Queloz, F. Pepe, M. Mayor, X. Delfosse, T. Forveille
Hit paper breakdown →		2009436
4
S$\mathsf{_{B^9}}$: The ninth catalogue of spectroscopic binary orbits
Astronomy and Astrophysics ·D. Pourbaix, Andreï Tokovinin, Alan H. Batten, Francis C. Fekel, William I. Hartkopf, H. Levato, N. Morrell, Guillermo Torres, S. Udry
2004434
5
Statistical Properties of Exoplanets
Annual Review of Astronomy and Astrophysics ·S. Udry, N. C. Santos
Hit paper breakdown →		2007370
6
Spectroscopic parameters for 451 stars in the HARPS GTO planet search program
Astronomy and Astrophysics ·S. G. Sousa, N. C. Santos, M. Mayor, S. Udry, L. Casagrande, G. Israelian, F. Pepe, D. Queloz, M. J. P. F. G. Monteiro
Hit paper breakdown →		2008334
7
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 →		2007301
8
ELODIE metallicity-biased search for transiting Hot Jupiters
Astronomy and Astrophysics ·F. Bouchy, S. Udry, M. Mayor, C. Moutou, F. Pont, Nicolas Iribarne, R. da Silva, S. A. Ilovaisky, D. Queloz, N. C. Santos, D. Ségransan, S. Zucker
Hit paper breakdown →		2005296
9
Tertiary companions to close spectroscopic binaries
Astronomy and Astrophysics ·Andreï Tokovinin, S. Thomas, M. Sterzik, S. Udry
2006296
10
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, (unknown), X. Delfosse, C. Mordasini, F. Pepe, D. Queloz, D. Ségransan
Hit paper breakdown →		2008268
11
Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes
ArXiv.org ·S. G. Sousa, N. C. Santos, M. Mayor, S. Udry, L. Casagrande, G. Israelian, F. Pepe, D. Queloz, M. J. P. F. G. Monteiro
Hit paper breakdown →		2008262
12
Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data
Astronomy and Astrophysics ·Benoît Famaey, A. Jorissen, X. Luri, M. Mayor, S. Udry, H. Dejonghe, C. Turon
2005261
13
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
Hit paper breakdown →		2015257
14
An extrasolar planetary system with three Neptune-mass planets
Nature ·C. Lovis, M. Mayor, F. Pepe, Y. Alibert, W. Benz, F. Bouchy, A. C. M. Correia, J. Laskar, C. Mordasini, D. Queloz, N. C. Santos, S. Udry, Jean‐Loup Bertaux, J. P. Sivan
Hit paper breakdown →		2006256
15
Spin-orbit angle measurements for six southern transiting planets
Astronomy and Astrophysics ·A. H. M. J. Triaud, A. Collier Cameron, D. Queloz, D. R. Anderson, M. Gillon, Leslie Hebb, C. Hellier, B. Loeillet, P. F. L. Maxted, M. Mayor, F. Pepe, D. Pollacco, D. Ségransan, B. Smalley, S. Udry, R. G. West, P. J. Wheatley
Hit paper breakdown →		2010252
16
An Earth-mass planet orbiting α Centauri B
Nature ·X. Dumusque, F. Pepe, C. Lovis, D. Ségransan, J. Sahlmann, W. Benz, F. Bouchy, M. Mayor, D. Queloz, N. C. Santos, S. Udry
Hit paper breakdown →		2012235
17
Evaporation of the planet HD 189733b observed in H I Lyman-α
Astronomy and Astrophysics ·A. Lecavelier des Étangs, D. Ehrenreich, A. Vidal‐Madjar, G. E. Ballester, J.-M. Désert, R. Ferlet, G. Hébrard, David K. Sing, K.-O. Tchakoumegni, S. Udry
2010230
18
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 →		2009229
19
The CORALIE survey for southern extra-solar planets VII
Astronomy and Astrophysics ·F. Pepe, M. Mayor, F. Galland, D. Naef, D. Queloz, N. C. Santos, S. Udry, M. Burnet
2002223
20
Spin-orbit angle measurements for six southern transiting planets; New insights into the dynamical origins of hot Jupiters
Research Portal (Queen's University Belfast) ·A. H. M. J. Triaud, A. Collier Cameron, D. Queloz, D. R. Anderson, M. Gillon, Leslie Hebb, C. Hellier, B. Loeillet, P. F. L. Maxted, M. Mayor, F. Pepe, D. Pollacco, D. Ségransan, B. Smalley, S. Udry, R. G. West, P. J. Wheatley
Hit paper breakdown →		2010215

About S. Udry

S. Udry is a scholar working on Astronomy and Astrophysics, Instrumentation, Computational Mechanics, Atomic and Molecular Physics, and Optics and Statistical and Nonlinear Physics, having authored 467 papers that have together received 22.5k indexed citations. Recurring topics across this work include Stellar, planetary, and galactic studies (447 papers), Astrophysics and Star Formation Studies (292 papers), Astro and Planetary Science (271 papers), Astronomy and Astrophysical Research (220 papers), Astronomical Observations and Instrumentation (22 papers), Adaptive optics and wavefront sensing (18 papers), Scientific Research and Discoveries (16 papers) and Gamma-ray bursts and supernovae (15 papers). The work is most often cited by research in Instrumentation (8.0k citations), Astronomy and Astrophysics (21.9k citations), Nuclear and High Energy Physics (773 citations), Geophysics (552 citations) and Atmospheric Science (732 citations). S. Udry has collaborated with scholars based in Switzerland, France and Portugal. Frequent co-authors include M. Mayor, N. C. Santos, D. Queloz, F. Pepe, C. Lovis, F. Bouchy, X. Bonfıls, D. Ségransan, F. Pont and T. Forveille. Their work appears in journals such as Astronomy and Astrophysics, Monthly Notices of the Royal Astronomical Society, The Astrophysical Journal, Astronomy and Astrophysics Supplement Series 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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