P. Challis

27.9k total citations · 1 hit paper
46 papers, 13.1k citations indexed

About

P. Challis is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Instrumentation. According to data from OpenAlex, P. Challis has authored 46 papers receiving a total of 13.1k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Astronomy and Astrophysics, 11 papers in Nuclear and High Energy Physics and 5 papers in Instrumentation. Recurrent topics in P. Challis's work include Gamma-ray bursts and supernovae (42 papers), Stellar, planetary, and galactic studies (22 papers) and Astro and Planetary Science (14 papers). P. Challis is often cited by papers focused on Gamma-ray bursts and supernovae (42 papers), Stellar, planetary, and galactic studies (22 papers) and Astro and Planetary Science (14 papers). P. Challis collaborates with scholars based in United States, Chile and Sweden. P. Challis's co-authors include R. Kirshner, P. Garnavich, A. V. Filippenko, Saurabh W. Jha, N. B. Suntzeff, B. Leibundgut, M. M. Phillips, Adam G. Riess, B. Schmidt and J. Spyromilio and has published in prestigious journals such as Nature, The Astrophysical Journal and Monthly Notices of the Royal Astronomical Society.

In The Last Decade

P. Challis

44 papers receiving 12.5k citations

Hit Papers

align trajectories

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.

Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant

1998 11.5k citations Adam G. Riess, A. V. Filippenko et al. The Astronomical Journal profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
P. Challis United States	26	12.7k	8.2k	1.1k	693	612	46	13.1k
J. Richard Bond Canada	39	9.3k 0.7×	4.1k 0.5×	951 0.9×	362 0.5×	1.9k 3.1×	88	9.7k
S. Matarrese Italy	59	12.0k 0.9×	6.9k 0.8×	929 0.8×	1.1k 1.6×	987 1.6×	250	12.4k
J. L. Weiland United States	24	13.9k 1.1×	8.8k 1.1×	893 0.8×	616 0.9×	1.5k 2.4×	50	14.9k
Licia Verde Spain	46	15.6k 1.2×	9.3k 1.1×	1.1k 1.0×	866 1.2×	1.9k 3.0×	153	16.4k
Craig J. Hogan United States	33	14.4k 1.1×	9.9k 1.2×	1.4k 1.3×	822 1.2×	696 1.1×	147	15.2k
Andrew R. Liddle United Kingdom	58	14.5k 1.1×	10.6k 1.3×	1.2k 1.1×	1.2k 1.8×	699 1.1×	233	15.0k
R. A. Schommer United States	31	14.2k 1.1×	8.2k 1.0×	1.1k 1.0×	701 1.0×	1.4k 2.3×	102	14.6k
M. Limon United States	26	15.7k 1.2×	10.5k 1.3×	1.1k 1.0×	864 1.2×	1.3k 2.1×	80	16.6k
Bharat Ratra United States	45	12.1k 1.0×	8.3k 1.0×	962 0.9×	929 1.3×	448 0.7×	127	12.4k
Gregory S. Tucker United States	20	14.2k 1.1×	9.7k 1.2×	1.0k 0.9×	798 1.2×	1.2k 2.0×	41	15.0k

Countries citing papers authored by P. Challis

Since Specialization

Citations

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

Fields of papers citing papers by P. Challis

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of P. Challis

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Thorp, Stephen, Kaisey S. Mandel, D. O. Jones, R. Kirshner, & P. Challis. (2024). Using rest-frame optical and NIR data from the RAISIN survey to explore the redshift evolution of dust laws in SN Ia host galaxies. Monthly Notices of the Royal Astronomical Society. 530(4). 4016–4031. 5 indexed citations

Larsson, Josefin, Claes Fransson, P. Challis, et al.. (2024). Hubble Space Telescope Images of SN 1987A: Evolution of the Ejecta and the Equatorial Ring from 2009 to 2022. The Astrophysical Journal. 966(2). 238–238. 4 indexed citations

Hicken, M., Andrew S. Friedman, S. Blondin, et al.. (2017). Type II Supernova Light Curves and Spectra from the CfA. The Astrophysical Journal Supplement Series. 233(1). 6–6. 22 indexed citations

Challis, P.. (2013). Spectra ID of recent SN. The astronomer's telegram. 5700. 1.

Milisavljević, D., Robert A. Fesen, Christopher L. Gerardy, R. Kirshner, & P. Challis. (2010). DOUBLETS AND DOUBLE PEAKS: LATE-TIME [O I] λλ6300, 6364 LINE PROFILES OF STRIPPED-ENVELOPE, CORE-COLLAPSE SUPERNOVAE. The Astrophysical Journal. 709(2). 1343–1355. 44 indexed citations

Plucinsky, Paul P., T. J. Gaetz, Knox S. Long, et al.. (2009). Chandra ACIS Survey of M33 (ChASeM33): An Overview of the Survey and the Point Source Catalog. 178. 1 indexed citations

Read, A. M., R. D. Saxton, M. A. P. Torres, et al.. (2008). XMM-Newton slew survey discovery of the nova XMMSL1 J070542.7-381442 (V598 Puppis). Astronomy and Astrophysics. 482(2). L1–L4. 14 indexed citations

Fransson, Claes, B. Leibundgut, Peter Lundqvist, et al.. (2008). Time evolution of the line emission from the inner circumstellar ring of SN 1987A and its hot spots. Astronomy and Astrophysics. 492(2). 481–491. 24 indexed citations

Torres, M. A. P., D. Steeghs, P. G. Jonker, et al.. (2007). SWIFT J052522.48+241331.8 (=1RXS J052523.2+241331) is a Cataclysmic Variable. The astronomer's telegram. 1286. 1. 2 indexed citations

10.

Dyk, Schuyler D. Van, P. Challis, R. J. Foley, et al.. (2006). The Type IIn Supernova 2002kg: The Outburst of a Luminous Blue Variable Star in NGC 2403. Publications of the Astronomical Society of the Pacific.

11.

Sollerman, J., Johan Lindahl, Cecilia Kozma, et al.. (2004). The late-time light curve of the type Ia supernova 2000cx. Astronomy and Astrophysics. 428(2). 555–568. 44 indexed citations

12.

Holland, S. T., D. Bersier, J. S. Bloom, et al.. (2004). GRB 021211 as a Faint Analog of GRB 990123: Exploring the Similarities and Differences in the Optical Afterglows. The Astronomical Journal. 128(5). 1955–1964. 12 indexed citations

13.

Sollerman, J., S. T. Holland, P. Challis, et al.. (2002). Supernova 1998bw – the final phases. Astronomy and Astrophysics. 386(3). 944–956. 22 indexed citations

14.

Leonard, Douglas C., A. V. Filippenko, Weidong Li, et al.. (2002). A Study of the Type II-Plateau Supernova 1999[CLC]gi[/CLC] and the Distance to its Host Galaxy, NGC 3184. The Astronomical Journal. 124(5). 2490–2505. 90 indexed citations

15.

Branch, David, E. Baron, K. Hatano, et al.. (1999). Direct Analysis of Spectra of the Type Ic Supernova SN 1994I. The Astrophysical Journal. 527(2). 746–756. 35 indexed citations

16.

Riess, Adam G., A. V. Filippenko, P. Challis, et al.. (1998). Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant. The Astronomical Journal. 116(3). 1009–1038. 11452 indexed citations breakdown →

17.

Чугай, Н. Н., Roger A. Chevalier, R. Kirshner, & P. Challis. (1997). Hubble Space TelescopeSpectrum of SN 1987A at an Age of 8 Years: Radioactive Luminescence of Cool Gas. The Astrophysical Journal. 483(2). 925–940. 26 indexed citations

18.

Panagia, N., et al.. (1996). On the Nature of the Outer Rings around SN 1987A. The Astrophysical Journal. 459(1). 25 indexed citations

19.

Berry, Simon, Alberto J. León, P. Challis, et al.. (1995). Molecular marker analysis of Helianthus annuus L. 2. Construction of an RFLP linkage map for cultivated sunflower. Theoretical and Applied Genetics. 91(2). 195–199. 101 indexed citations

20.

Jeffery, David J., R. Kirshner, P. Challis, et al.. (1994). A Hubble Space Telescope ultraviolet spectrum of SN 1993J. The Astrophysical Journal. 421. L27–L27. 16 indexed citations

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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