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Andrzej Udalski

Andrzej Udalski

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Physics
Poland
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 119 849 804 2 2 1421 50332

Andrzej Udalski publications per year

The chart shows the history of publications by Andrzej Udalski between 1973 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Andrzej Udalski published across 54 years, from 1973 to 2026, averaging 26.5 papers a year. Output peaked at 108 publications in 2013. 38 of the 1,429 publications appeared in the last two years.

No. of publications
25 50 75 100
Bar chart. Horizontal axis: year, 1973 to 2026. Vertical axis: number of publications, 0 to 108. Peak 108 publications in 2013. 1973: 1 publication 1974: 4 publications 1975: 0 publications 1976: 1 publication 1977: 0 publications 1978: 0 publications 1979: 1 publication 1980: 1 publication 1981: 1 publication 1982: 1 publication 1983: 1 publication 1984: 3 publications 1985: 2 publications 1986: 0 publications 1987: 1 publication 1988: 4 publications 1989: 2 publications 1990: 3 publications 1991: 2 publications 1992: 6 publications 1993: 9 publications 1994: 20 publications 1995: 8 publications 1996: 11 publications 1997: 11 publications 1998: 15 publications 1999: 17 publications 2000: 12 publications 2001: 9 publications 2002: 17 publications 2003: 18 publications 2004: 29 publications 2005: 16 publications 2006: 28 publications 2007: 22 publications 2008: 32 publications 2009: 45 publications 2010: 53 publications 2011: 70 publications 2012: 70 publications 2013: 108 publications 2014: 77 publications 2015: 79 publications 2016: 92 publications 2017: 85 publications 2018: 85 publications 2019: 74 publications 2020: 61 publications 2021: 74 publications 2022: 39 publications 2023: 27 publications 2024: 44 publications 2025: 36 publications 2026: 2 publications
1973 2026

1,429 publications in total across all disciplines

View publications per year as a table
Andrzej Udalski: publications per year, 1973 to 2026
Year Publications
1973 1
1974 4
1975 0
1976 1
1977 0
1978 0
1979 1
1980 1
1981 1
1982 1
1983 1
1984 3
1985 2
1986 0
1987 1
1988 4
1989 2
1990 3
1991 2
1992 6
1993 9
1994 20
1995 8
1996 11
1997 11
1998 15
1999 17
2000 12
2001 9
2002 17
2003 18
2004 29
2005 16
2006 28
2007 22
2008 32
2009 45
2010 53
2011 70
2012 70
2013 108
2014 77
2015 79
2016 92
2017 85
2018 85
2019 74
2020 61
2021 74
2022 39
2023 27
2024 44
2025 36
2026 2
Total 1,429
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Andrzej Udalski publications per year - data summary

  • Andrzej Udalski, a Physics scholar from University of Warsaw, has 1,429 publications recorded across 54 years, from 1973 to 2026.
  • The oldest publication on record dates to 1973 and the most recent to 2026.
  • The most productive year is 2013, with 108 publications.
  • The least productive years with any output are 1973, 1976, 1979, 1980 and others, with 1 publication each.
  • 4 of the 54 years in the span carry no publications at all (1975, 1977, 1978 and 1986).
  • The rate of publication averages 26.5 papers per year over the whole span, or 28.6 per year counting only the 50 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 148 publications, 10% of the career total.
  • Split into equal eras - 1973-1990: 26 publications (1.4 per year); 1991-2008: 282 publications (15.7 per year); 2009-2026: 1,121 publications (62.3 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Andrzej Udalski publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Andrzej Udalski sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 70 bars. Horizontal axis: publications, 103–122 to 1,469+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 323–342 publications. The last bar groups every scientist with 1,469 publications or more. The highlighted bar, 1,403–1,422 publications, is where this scientist sits. 103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103–122 publications 1,469+

This scientist: 1,421 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

View publications distribution as a table
Number of Physics scientists by publication count, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
Publications Scientists This scientist
103–122 7
123–142 10
143–162 31
163–182 35
183–202 53
203–222 81
223–242 85
243–262 112
263–282 114
283–302 126
303–322 136
323–342 162
343–362 155
363–382 156
383–402 134
403–422 145
423–442 147
443–462 131
463–482 131
483–502 116
503–522 106
523–542 103
543–562 87
563–582 84
583–602 94
603–622 70
623–642 76
643–662 60
663–682 54
683–702 60
703–722 48
723–742 64
743–762 48
763–782 37
783–802 43
803–822 34
823–842 36
843–862 32
863–882 32
883–902 31
903–922 25
923–942 15
943–962 24
963–982 13
983–1,002 21
1,003–1,022 21
1,023–1,042 16
1,043–1,062 9
1,063–1,082 19
1,083–1,102 11
1,103–1,122 17
1,123–1,142 11
1,143–1,162 7
1,163–1,182 4
1,183–1,202 10
1,203–1,222 8
1,223–1,242 16
1,243–1,262 4
1,263–1,282 10
1,283–1,302 5
1,303–1,322 7
1,323–1,342 4
1,343–1,362 8
1,363–1,382 6
1,383–1,402 7
1,403–1,422 3 1,421
1,423–1,442 4
1,443–1,462 4
1,463–1,468 3
1,469+ 100
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Andrzej Udalski publication distribution in Physics in 2026 - data summary

  • The chart plots the publication count of all 3,678 Physics scientists ranked by Research.com in 2026, grouped into 70 ranges running from 103–122 to 1,469+ publications.
  • Andrzej Udalski, a Physics scholar from University of Warsaw, records 1,421 publications - the 97th percentile of the discipline.
  • 97% of ranked Physics scientists score the same or lower than Andrzej Udalski, and about 3% score higher.
  • The median of the discipline falls in the 463–482 publications range, and Andrzej Udalski ranks above the median.
  • The most crowded range is 323–342 publications, holding 162 scientists (4% of the field).
  • 49% of the field sits in the lowest quarter of the value range (up to 443–462 publications), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 1,469 publications or more, 100 scientists in all (3% of the field).

Andrzej Udalski D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Andrzej Udalski sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 59 bars. Horizontal axis: D-Index, 70–71 to 185+. Vertical axis: number of scientists, 0 to 167. Most scientists, 167, have 80–81 D-Index. The last bar groups every scientist with 185 D-Index or more. The highlighted bar, 118–119 D-Index, is where this scientist sits. 70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70–71 D-Index 185+

This scientist: 119 D-Index — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

View D-Index distribution as a table
Number of Physics scientists by D-index, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
D-Index Scientists This scientist
70–71 76
72–73 110
74–75 143
76–77 153
78–79 144
80–81 167
82–83 167
84–85 166
86–87 132
88–89 155
90–91 134
92–93 137
94–95 102
96–97 112
98–99 110
100–101 116
102–103 97
104–105 103
106–107 87
108–109 90
110–111 67
112–113 78
114–115 75
116–117 67
118–119 69 119
120–121 60
122–123 59
124–125 53
126–127 42
128–129 41
130–131 33
132–133 32
134–135 45
136–137 19
138–139 24
140–141 28
142–143 31
144–145 22
146–147 20
148–149 12
150–151 16
152–153 24
154–155 23
156–157 15
158–159 15
160–161 11
162–163 17
164–165 12
166–167 11
168–169 9
170–171 9
172–173 11
174–175 4
176–177 8
178–179 5
180–181 3
182–183 4
184 4
185+ 99
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Andrzej Udalski D-index placement in Physics in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 3,678 Physics scientists ranked by Research.com in 2026, grouped into 59 ranges running from 70–71 to 185+ D-Index.
  • Andrzej Udalski, a Physics scholar from University of Warsaw, records 119 D-Index - the 78th percentile of the discipline.
  • 78% of ranked Physics scientists score the same or lower than Andrzej Udalski, and about 22% score higher.
  • The median of the discipline falls in the 96–97 D-Index range, and Andrzej Udalski ranks above the median.
  • The most crowded range is 80–81 D-Index, holding 167 scientists (5% of the field).
  • 55% of the field sits in the lowest quarter of the value range (up to 98–99 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 185 D-Index or more, 99 scientists in all (3% of the field).

Research.com Recognitions

  • 2026 - Research.com Physics in Poland Leader Award
  • 2025 - Research.com Physics in Poland Leader Award
  • 2016 - Polish Academy of Science
  • 2012 - Member of the National Academy of Sciences
  • 2002 - Prize of the Foundation for Polish Science - Nagroda Fundacji na rzecz Nauki Polskiej for his work concerning the revision of the distance scale of the Universe and discovering many planetary low-luminosity companions to solar-type stars

Overview

Andrzej Udalski is affiliated with the University of Warsaw in Poland and has an extensive research portfolio in physics and astronomy, with a particular emphasis on astronomy and astrophysics. Over the course of their career, they have published 527 works primarily focused on the study of stellar, planetary, and galactic phenomena.

Their research covers a broad range of topics, including:

  • Stellar, planetary, and galactic studies
  • Astronomy and astrophysical research
  • Gamma-ray bursts and supernovae
  • Astrophysical phenomena and observations
  • Astrophysics and star formation studies
  • Astronomical observations and instrumentation
  • Astro and planetary science

Udalski's frequent publication venues reflect a strong presence in the field of astronomy and astrophysics, including prominent sources such as:

  • arXiv (Cornell University)
  • Astronomy and Astrophysics
  • The Astronomical Journal
  • Monthly Notices of the Royal Astronomical Society
  • The Astrophysical Journal Supplement Series

The scientist has collaborated extensively with several peers. Notable frequent co-authors include:

  • I. Soszyński
  • P. Mróz
  • P. Pietrukowicz
  • J. Skowron
  • S. Kozłowski

Among Udalski's recent publications are several significant papers, including:

  • An Isolated Mass-gap Black Hole or Neutron Star Detected with Astrometric Microlensing (2022), published in The Astrophysical Journal Letters
  • A classifier for spurious astrometric solutions in Gaia eDR3 (2021), published in Monthly Notices of the Royal Astronomical Society
  • An X-ray-quiet black hole born with a negligible kick in a massive binary within the Large Magellanic Cloud (2022), published in Nature Astronomy
  • No massive black holes in the Milky Way halo (2024), published in Nature
  • (Untitled paper by K. C. Sahu, 2022), published in Warwick Research Archive Portal (University of Warwick)

Udalski's work spans several related subfields, notably:

  • Astronomy and Astrophysics
  • Instrumentation
  • Computational Mechanics
  • Atomic and Molecular Physics, and Optics
  • Biomedical Engineering

The scientist's contributions have been recognized with several awards over the years. These include the Polish Academy of Science award in 2016, membership in the National Academy of Sciences since 2012, and the Prize of the Foundation for Polish Science awarded in 2002 for their work on revising the distance scale of the Universe and discovering many planetary low-luminosity companions to solar-type stars.

Best Publications

  • Discovery of a cool planet of 5.5 Earth masses through gravitational microlensing

    J.-P. Beaulieu;D. P. Bennett;P. Fouqué;A. Williams

  • An eclipsing-binary distance to the Large Magellanic Cloud accurate to two per cent

    G. Pietrzyński;G. Pietrzyński;D. Graczyk;W. Gieren;I. B. Thompson

  • One or more bound planets per Milky Way star from microlensing observations

    A. Cassan;A. Cassan;D. Kubas;D. Kubas;J.-P. Beaulieu;J.-P. Beaulieu;M. Dominik;M. Dominik

  • OGLE 2003-BLG-235/MOA 2003-BLG-53: A Planetary Microlensing Event

    I. A. Bond;A. Udalski;M. Jaroszyński;M. Jaroszyński;N. J. Rattenbury

  • Unbound or distant planetary mass population detected by gravitational microlensing

    T. Sumi;K. Kamiya;D. P. Bennett

  • Discovery of a Jupiter/Saturn Analog with Gravitational Microlensing

    B. S. Gaudi;D. P. Bennett;A. Udalski;A. Gould

  • REDDENING AND EXTINCTION TOWARD THE GALACTIC BULGE FROM OGLE-III: THE INNER MILKY WAY'S RV ∼ 2.5 EXTINCTION CURVE*

    David M. Nataf;David M. Nataf;Andrew Gould;Pascal Fouqué;Pascal Fouqué;Oscar A. Gonzalez

  • V1309 Scorpii: merger of a contact binary

    R. Tylenda;M. Hajduk;T. Kamiński;A. Udalski

  • OGLE-2003-BLG-262: Finite-Source Effects from a Point-Mass Lens

    Jaiyul Yoo;D. L. DePoy;A. Gal-Yam;B. S. Gaudi

  • Frequency of Solar-Like Systems and of Ice and Gas Giants Beyond the Snow Line from High-Magnification Microlensing Events in 2005-2008

    A. Gould;Subo Dong;B.S. Gaudi;A. Udalski

  • Chemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars - V. Evidence for a wide age distribution and a complex MDF

    Thomas Bensby;J. C. Yee;Sofia Feltzing;J. A. Johnson

  • Quantifying Quasar Variability As Part of a General Approach To Classifying Continuously Varying Sources

    Szymon Kozlowski;Christopher S. Kochanek;A. Udalski;L. Wyrzykowski;L. Wyrzykowski

  • OGLE 2003-BLG-235/MOA 2003-BLG-53: A planetary microlensing event

    I. A. Bond;A. Udalski;M. Jaroszynski;N. J. Rattenbury

  • Microlens OGLE-2005-BLG-169 Implies Cool Neptune-Like Planets are Common

    A. Gould;A. Udalski;D. An;D. P. Bennett

  • IS QUASAR OPTICAL VARIABILITY A DAMPED RANDOM WALK

    Ying Zu;C. S. Kochanek;Szymon Kozłowski;Andrzej Udalski

  • QUANTIFYING QUASAR VARIABILITY AS PART OF A GENERAL APPROACH TO CLASSIFYING CONTINUOUSLY VARYING SOURCES

    Szymon Kozłowski;Christopher S. Kochanek;A. Udalski;Ł. Wyrzykowski;Ł. Wyrzykowski

  • Microlens OGLE-2005-BLG-169 Implies That Cool Neptune-like Planets Are Common

    A. Gould;A. Udalski;D. An;D. P. Bennett

  • THE SPLIT RED CLUMP OF THE GALACTIC BULGE FROM OGLE-III

    David Nataf;A Udalski;A Gould;P. Fouque

  • FREQUENCY OF SOLAR-LIKE SYSTEMS AND OF ICE AND GAS GIANTS BEYOND THE SNOW LINE FROM HIGH-MAGNIFICATION MICROLENSING EVENTS IN 2005-2008

    A. Gould;Subo Dong;B. S. Gaudi;A. Udalski

  • A Jovian-Mass Planet in Microlensing Event OGLE-2005-BLG-071

    A. Udalski;M. Jaroszyński;B. Paczyński;M. Kubiak

Frequent Co-Authors

Michał K. Szymański
Michał K. Szymański University of Warsaw
Igor Soszyński
Igor Soszyński University of Warsaw
Grzegorz Pietrzyński
Grzegorz Pietrzyński Polish Academy of Sciences
Krzysztof Ulaczyk
Krzysztof Ulaczyk University of Warwick
M. Kubiak
M. Kubiak University of Warsaw
Andrew Gould
Andrew Gould The Ohio State University
Łukasz Wyrzykowski
Łukasz Wyrzykowski University of Warsaw
David P. Bennett
David P. Bennett Goddard Space Flight Center
Fumio Abe
Fumio Abe Nagoya University
Yoshitaka Itow
Yoshitaka Itow Nagoya University

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