C. Siopis

29.8k citations
25 papers · 1.4k · 1 hit paper · h-index 12

Impact in

  • Instrumentation top 2%
    • Astronomy and Astrophysical Research
  • Astronomy and Astrophysics top 2%
    • Galaxies: Formation, Evolution, Phenomena
    • Astrophysical Phenomena and Observations
    • Stellar, planetary, and galactic studies
    • Gamma-ray bursts and supernovae
    • Astrophysics and Star Formation Studies
    • Pulsars and Gravitational Waves Research

Papers in

  • Astronomy and Astrophysics 18
    • Stellar, planetary, and galactic studies 12
    • Astrophysics and Star Formation Studies 7
    • Astro and Planetary Science 6
    • Galaxies: Formation, Evolution, Phenomena 4
  • Statistical and Nonlinear Physics 10
    • Quantum chaos and dynamical systems 6
    • Scientific Research and Discoveries 4
Co-authors
Tod R. Lauer (4 shared papers)John Kormendy (4 shared papers)Richard F. Green (4 shared papers)Scott Tremaine (4 shared papers)Jason Pinkney (4 shared papers)Luis C. Ho (3 shared papers)S. M. Faber (4 shared papers)R. Bender (4 shared papers)
Journals
Annals of the New York Academy of Sciences (3 papers)The Astronomical Journal (2 papers)The Astrophysical Journal (2 papers)Monthly Notices of the Royal Astronomical Society (2 papers)Astronomy and Astrophysics (2 papers)
Partner nations
United StatesBelgiumAustria

In The Last Decade

C. Siopis

25 papers receiving 1.4k citations

C. Siopis's Hit Papers

THEM-σ ANDM-LRELATIONS IN GALACTIC BULGES, AND DETERMINATIONS OF THEIR INTRINSIC SCATTER 2009 · 904 citations
9040+5+11Years 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. 2009 The Astrophysical Journal

Peers

C. Siopis
Comparison fields: 5 of 40
  • Instrumentation 419
  • Astronomy and Astrophysics 1.3k
  • Nuclear and High Energy Physics 212
  • Statistical and Nonlinear Physics 135
  • Atomic and Molecular Physics, and Optics 108
Replace M. Ramella with:
M. Ramella Italy
Roya Mohayaee France
D. Pfenniger Switzerland
Luca Ciotti Italy
J. D. Cohn United States
P. Schuecker Germany
Laura Blecha United States
John ZuHone United States
Tom A. Barlow United States
D. Potter Switzerland
C. Siopis relative to M. Ramella Italy M. Ramella's profile →
Citations per field
00.5×2×3×
M. Ramella · 1×
Citations per year

Countries citing papers authored by C. Siopis

Since Specialization
Citations

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

Fields of papers citing papers by C. Siopis

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authors

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

All Works

20 of 20 papers shown

Showing the 20 most-cited of 25 papers — load more, or switch the sort, to bring in the rest.

#Work
1
THEM-σ ANDM-LRELATIONS IN GALACTIC BULGES, AND DETERMINATIONS OF THEIR INTRINSIC SCATTER
The Astrophysical Journal ·Kayhan Gültekin, D. O. Richstone, Karl Gebhardt, Tod R. Lauer, Scott Tremaine, M. C. Aller, R. Bender, Alan Dressler, S. M. Faber, A. V. Filippenko, Richard F. Green, Luis C. Ho, John Kormendy, John Magorrian, Jason Pinkney, C. Siopis
Hit paper breakdown →		2009904
2
The Centers of Early-Type Galaxies withHubble Space Telescope. V. New WFPC2 Photometry
The Astronomical Journal ·Tod R. Lauer, S. M. Faber, Karl Gebhardt, D. O. Richstone, Scott Tremaine, Edward A. Ajhar, M. C. Aller, R. Bender, Alan Dressler, A. V. Filippenko, Richard F. Green, Carl J. Grillmair, Luis C. Ho, John Kormendy, John Magorrian, Jason Pinkney, C. Siopis
2005212
3
Large granulation cells on the surface of the giant star π1 Gruis
Nature ·C. Paladini, Fabien Baron, A. Jorissen, J.-B. Le Bouquin, B. Freytag, S. Van Eck, M. Wittkowski, J. Hron, A. Chiavassa, Jean-Philippe Berger, C. Siopis, Andreas Mayer, G. Sadowski, Kateryna Kravchenko, S. Shetye, F. Kerschbaum, J. Kluska, S. Ramstedt
201740
4
The Black Hole Mass and Extreme Orbital Structure in NGC 1399
The Astrophysical Journal ·Karl Gebhardt, Tod R. Lauer, Jason Pinkney, R. Bender, Douglas Richstone, Monique C. Aller, Gary Bower, Alan Dressler, S. M. Faber, A. V. Filippenko, Richard F. Green, Luis C. Ho, John Kormendy, C. Siopis, Scott Tremaine
200738
5
Diffusion and scaling in escapes from two-degrees-of-freedom Hamiltonian systems
Chaos An Interdisciplinary Journal of Nonlinear Science ·Henry E. Kandrup, C. Siopis, G. Contopoulos, R. Dvořák
199935
6
Universal properties of escape in dynamical systems
Celestial Mechanics and Dynamical Astronomy ·C. Siopis, Henry E. Kandrup, G. Contopoulos, R. Dvořák
199731
7
Phase-space transport in cuspy triaxial potentials: can they be used to construct self-consistent equilibria?
Monthly Notices of the Royal Astronomical Society ·C. Siopis, Henry E. Kandrup
200230
8
Chaos and chaotic phase mixing in cuspy triaxial potentials
Henry E. Kandrup, C. Siopis
200324
9
Large-scale environments of binary AGB stars probed byHerschel
Astronomy and Astrophysics ·Andreas Mayer, A. Jorissen, C. Paladini, F. Kerschbaum, D. Pourbaix, C. Siopis, R. Ottensamer, M. Mečina, N. L. J. Cox, M. A. T. Groenewegen, Daniela Klotz, G. Sadowski, A. Spang, P. Cruzalèbes, C. Waelkens
201415
10
Escape Probabilities in a Hamiltonian with Two Channels of Escapea
Annals of the New York Academy of Sciences ·C. Siopis, G. Contopoulos, Henry E. Kandrup
199514
11
Large-scale environments of binary AGB stars probed by Herschel: II. Two companions interacting with the wind of π 1 Gruis
Dépôt institutionnel de l'Université libre de Bruxelles (Université Libre de Bruxelles) ·Andreas Mayer, A. Jorissen, C. Paladini, F. Kerschbaum, D. Pourbaix, C. Siopis, R. Ottensamer, M. Mečina, N. L. J. Cox, M. A. T. Groenewegen, Daniela Klotz, G. Sadowski, A. Spang, P. Cruzalèbes, C. Waelkens
201413
12
Universal Properties of Escapea
Annals of the New York Academy of Sciences ·C. Siopis, Henry E. Kandrup, G. Contopoulos, R. Dvořák
199512
13
The Gaia Mission
Laurent Eyers, B. Holl, D. Pourbaix, N. Mowlavï, C. Siopis, F. Barblan, D. W. Evans, Pierre North
20138
14
LACK OF INTERACTION BETWEEN THE DUST GRAINS AND THE ANOMALOUS RADIO JET IN THE NEARBY SPIRAL GALAXY NGC 4258
The Astronomical Journal ·Seppo Laine, M. Krause, F. S. Tabatabaei, C. Siopis
20106
15
Orbital Complexity, Short‐Time Lyapunov Exponents, and Phase Space Transport in Time‐Independent Hamiltonian Systemsa
Annals of the New York Academy of Sciences ·C. Siopis, Barbara L. Eckstein, Henry E. Kandrup
19984
16
Update of SB9 orbits using HERMES/Mercator radial velocities
Astronomy and Astrophysics ·T. Merle, D. Pourbaix, A. Jorissen, C. Siopis, S. Van Eck, H. Van Winckel
20243
17
Towards an automated processing of Gaia eclipsing binaries
C. Siopis, G. Sadowski
20122
18
Simulating interferometric data of binary systems
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE ·C. Paladini, A. Jorissen, C. Siopis, G. Sadowski, D. Shulyak, Gianluca Li Causi
20142
19
The Impact of Gaia and LSST on Binaries and Exoplanets
reroDoc Digital Library ·L. Eyer, P. Dubath, N. Mowlavï, P. North, A. H. M. J. Triaud, F. Barblan, C. Siopis, L. P. Guy, B. Tingley, S. Zucker, D. W. Evans, Ł. Wyrzykowski, M. Süveges, Željko Ivezić
20162
20
Measuring deviation from centrosymmetry for a source brightness distribution observed by spectro-interferometry
Monthly Notices of the Royal Astronomical Society ·P. Cruzalèbes, A. Jorissen, Y. Rabbia, A. Chiavassa, C. Paladini, S. Sacuto, C. Siopis, G. Sadowski, A. Spang, O. Chesneau
20142

About C. Siopis

C. Siopis is a scholar working on Astronomy and Astrophysics, Statistical and Nonlinear Physics, Instrumentation, Molecular Biology and Nuclear and High Energy Physics, having authored 25 papers that have together received 1.4k indexed citations. Recurring topics across this work include Stellar, planetary, and galactic studies (12 papers), Astronomy and Astrophysical Research (9 papers), Astrophysics and Star Formation Studies (7 papers), Quantum chaos and dynamical systems (6 papers), Astro and Planetary Science (6 papers), Galaxies: Formation, Evolution, Phenomena (4 papers), Scientific Research and Discoveries (4 papers) and Protein Structure and Dynamics (3 papers). The work is most often cited by research in Instrumentation (419 citations), Astronomy and Astrophysics (1.3k citations), Nuclear and High Energy Physics (212 citations), Statistical and Nonlinear Physics (135 citations) and Atomic and Molecular Physics, and Optics (108 citations). C. Siopis has collaborated with scholars based in United States, Belgium and Austria. Frequent co-authors include Tod R. Lauer, John Kormendy, Richard F. Green, Scott Tremaine, Jason Pinkney, Luis C. Ho, S. M. Faber, R. Bender, Alan Dressler and Karl Gebhardt. Their work appears in journals such as Annals of the New York Academy of Sciences, The Astronomical Journal, The Astrophysical Journal, Monthly Notices of the Royal Astronomical Society and Astronomy and Astrophysics.

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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