Nelson Caldwell

12.1k total citations · 1 hit paper
131 papers, 4.6k citations indexed

About

Nelson Caldwell is a scholar working on Astronomy and Astrophysics, Instrumentation and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Nelson Caldwell has authored 131 papers receiving a total of 4.6k indexed citations (citations by other indexed papers that have themselves been cited), including 126 papers in Astronomy and Astrophysics, 74 papers in Instrumentation and 8 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Nelson Caldwell's work include Stellar, planetary, and galactic studies (96 papers), Galaxies: Formation, Evolution, Phenomena (80 papers) and Astronomy and Astrophysical Research (74 papers). Nelson Caldwell is often cited by papers focused on Stellar, planetary, and galactic studies (96 papers), Galaxies: Formation, Evolution, Phenomena (80 papers) and Astronomy and Astrophysical Research (74 papers). Nelson Caldwell collaborates with scholars based in United States, Australia and United Kingdom. Nelson Caldwell's co-authors include James A. Rose, Anil C. Seth, Jay Strader, R. G. Bower, C. S. Kochanek, Daniel J. Eisenstein, Buell T. Jannuzi, M. J. I. Brown, S. S. Murray and Arjun Dey and has published in prestigious journals such as Nature, The Astrophysical Journal and Monthly Notices of the Royal Astronomical Society.

In The Last Decade

Nelson Caldwell

126 papers receiving 4.4k citations

Hit Papers

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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.

Mid‐Infrared Selection of Active Galaxies

2005 545 citations Nelson Caldwell et al. The Astrophysical Journal profile →

Peers

Countries citing papers authored by Nelson Caldwell

Since Specialization

Citations

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

Fields of papers citing papers by Nelson Caldwell

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Nelson Caldwell

This figure shows the co-authorship network connecting the top 25 collaborators of Nelson Caldwell. A scholar is included among the top collaborators of Nelson Caldwell 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 Nelson Caldwell. Nelson Caldwell is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	X-Ray Constraints on Wandering Black Holes in Stripped Galaxy Nuclei in the Halo of NGC 5128 2025 ·The Astrophysical Journal ·(unknown), Ryan Urquhart, Jay Strader, Anil C. Seth, David J. Sand, Nelson Caldwell, Denija Crnojević, (unknown), Karina Voggel	0
2	Measuring M31 globular cluster ages and metallicities using both photometry and spectroscopy 2024 ·Monthly Notices of the Royal Astronomical Society ·Christopher Usher, Nelson Caldwell, I. Cabrera-Ziri	5
3	The Faint Satellite System of NGC 253: Insights into Low-density Environments and No Satellite Plane* 2024 ·The Astrophysical Journal ·Burçı̇n Mutlu-Pakdı̇l, David J. Sand, Denija Crnojević, Paul Bennet, Michael G. Jones, Kristine Spekkens, Ananthan Karunakaran, Dennis Zaritsky, Nelson Caldwell, Catherine E. Fielder, Puragra Guhathakurta, Anil C. Seth, Joshua D. Simon, Jay Strader, Elisa Toloba	11
4	A Nitrogen-rich Supernova Remnant in M31: Interaction with the Circumstellar Medium at Late Times 2023 ·The Astrophysical Journal ·Nelson Caldwell, J. C. Raymond	1
5	The kinematics, metallicities, and orbits of six recently discovered Galactic star clusters with Magellan/M2FS spectroscopy 2023 ·Monthly Notices of the Royal Astronomical Society ·Andrew B. Pace, S. E. Koposov, Matthew G. Walker, Nelson Caldwell, Mario Mateo, Edward W. Olszewski, Ian U. Roederer, John I. Bailey, Vasily Belokurov, K. Kuehn, Ting S. Li, D. B. Zucker	7
6	The Cygnus Loop: Shock Precursors and Electron–Ion Equilibration 2023 ·The Astrophysical Journal ·J. C. Raymond, (unknown), Bon‐Chul Koo, Igor Chilingarian, (unknown), Nelson Caldwell, Min Xie, Robert A. Fesen	4
7	Discovery of the Magellanic Stellar Stream Out to 100 kpc 2023 ·The Astrophysical Journal ·Vedant Chandra, Rohan P. Naidu, Charlie Conroy, Ana Bonaca, Dennis Zaritsky, Phillip A. Cargile, Nelson Caldwell, Benjamin D. Johnson, J. Han, Yuan-Sen Ting	15
8	New Velocity Measurements of NGC 5128 Globular Clusters Out to 130 kpc: Outer Halo Kinematics, Substructure, and Dynamics* 2023 ·The Astrophysical Journal ·(unknown), David J. Sand, Anil C. Seth, Jay Strader, C. Lidman, Karina Voggel, (unknown), Denija Crnojević, Mario Mateo, Nelson Caldwell, Duncan A. Forbes, Sarah Pearson, Puragra Guhathakurta, Elisa Toloba	6
9	The Andromeda Galaxy’s Last Major Merger: Constraints from the survey of Planetary Nebulae 2022 ·Proceedings of the International Astronomical Union ·Souradeep Bhattacharya, M. Arnaboldi, Ortwin Gerhard, Nelson Caldwell, Chiaki Kobayashi, F. Hammer, (unknown), K. C. Freeman, Johanna Hartke, Alan W. McConnachie	0
10	A Ghost in Boötes: The Least-Luminous Disrupted Dwarf Galaxy 2022 ·The Astrophysical Journal ·Vedant Chandra, Charlie Conroy, Nelson Caldwell, Ana Bonaca, Rohan P. Naidu, Dennis Zaritsky, Phillip A. Cargile, J. Han, Benjamin D. Johnson, Joshua S. Speagle, Yuan-Sen Ting, (unknown)	3
11	Resolved Dwarf Galaxy Searches within ∼5 Mpc with the Vera Rubin Observatory and Subaru Hyper Suprime-Cam* 2021 ·The Astrophysical Journal ·Burçı̇n Mutlu-Pakdı̇l, David J. Sand, Denija Crnojević, A. Drlica-Wagner, Nelson Caldwell, Puragra Guhathakurta, Anil C. Seth, Joshua D. Simon, Jay Strader, Elisa Toloba	41
12	Reconstructing the Last Major Merger of the Milky Way with the H3 Survey 2021 ·The Astrophysical Journal ·Rohan P. Naidu, Charlie Conroy, Ana Bonaca, Dennis Zaritsky, Rainer Weinberger, Yuan-Sen Ting, Nelson Caldwell, Sandro Tacchella, J. Han, Joshua S. Speagle, Phillip A. Cargile	111
13	Spectroscopic Confirmation of the Sixth Globular Cluster in the Fornax Dwarf Spheroidal Galaxy* 2021 ·The Astrophysical Journal ·Andrew B. Pace, Matthew G. Walker, S. E. Koposov, Nelson Caldwell, Mario Mateo, Edward W. Olszewski, John I. Bailey, (unknown)	18
14	Discovery of Magellanic Stellar Debris in the H3 Survey 2020 ·The Astrophysical Journal Letters ·Dennis Zaritsky, Charlie Conroy, Rohan P. Naidu, Phillip A. Cargile, M. E. Putman, Gurtina Besla, Ana Bonaca, Nelson Caldwell, J. Han, Benjamin D. Johnson, Joshua S. Speagle, Yuan-Sen Ting	13
15	The survey of planetary nebulae in Andromeda (M 31) 2019 ·arXiv (Cornell University) ·Souradeep Bhattacharya, M. Arnaboldi, Ortwin Gerhard, Alan W. McConnachie, Nelson Caldwell, Johanna Hartke, K. C. Freeman	22
16	Crater 2: An Extremely Cold Dark Matter Halo 2017 ·The Astrophysical Journal ·Nelson Caldwell, Matthew G. Walker, Mario Mateo, Edward W. Olszewski, S. E. Koposov, Vasily Belokurov, G. Torrealba, Alex Geringer-Sameth, Christian I. Johnson	84
17	THE EXTENDED HALO OF CENTAURUS A: UNCOVERING SATELLITES, STREAMS, AND SUBSTRUCTURES* 2016 ·The Astrophysical Journal ·Denija Crnojević, David J. Sand, Kristine Spekkens, Nelson Caldwell, Puragra Guhathakurta, B. A. McLeod, Anil C. Seth, (unknown), Jay Strader, Elisa Toloba	134
18	A TIDALLY DISRUPTING DWARF GALAXY IN THE HALO OF NGC 253 2015 ·The Astrophysical Journal Letters ·Elisa Toloba, David J. Sand, Kristine Spekkens, Denija Crnojević, Joshua D. Simon, Puragra Guhathakurta, Jay Strader, Nelson Caldwell, B. A. McLeod, Anil C. Seth	31
19	A SPECTROSCOPIC ANALYSIS OF THE GALACTIC GLOBULAR CLUSTER NGC 6273 (M19) 2015 ·The Astronomical Journal ·Christian I. Johnson, R. Michael Rich, C. A. Pilachowski, Nelson Caldwell, Mario Mateo, John I. Bailey, Jeffrey D. Crane	59
20	A GLOBULAR CLUSTER TOWARD M87 WITH A RADIAL VELOCITY < − 1000 km s⁻¹: THE FIRST HYPERVELOCITY CLUSTER 2014 ·The Astrophysical Journal Letters ·Nelson Caldwell, Jay Strader, Aaron J. Romanowsky, Jean P. Brodie, Ben Moore, Jürg Diemand, Davidé Martizzi	8

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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