P. Challis

959 total citations
40 papers, 108 citations indexed

About

P. Challis is a scholar working on Astronomy and Astrophysics, Instrumentation and Nuclear and High Energy Physics. According to data from OpenAlex, P. Challis has authored 40 papers receiving a total of 108 indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Astronomy and Astrophysics, 12 papers in Instrumentation and 10 papers in Nuclear and High Energy Physics. Recurrent topics in P. Challis's work include Gamma-ray bursts and supernovae (33 papers), Pulsars and Gravitational Waves Research (12 papers) and Astronomy and Astrophysical Research (12 papers). P. Challis is often cited by papers focused on Gamma-ray bursts and supernovae (33 papers), Pulsars and Gravitational Waves Research (12 papers) and Astronomy and Astrophysical Research (12 papers). P. Challis collaborates with scholars based in United Kingdom, United States and Denmark. P. Challis's co-authors include R. Kirshner, R. G. Bower, R. Margutti, Frank J. Masci, David J. Wilman, Russ R. Laher, D. Bersier, M. J. Holman, R. Lunnan and K. Paterson and has published in prestigious journals such as The Astrophysical Journal, Monthly Notices of the Royal Astronomical Society and Vox Sanguinis.

In The Last Decade

P. Challis

26 papers receiving 100 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
P. Challis United Kingdom 4 84 38 13 8 6 40 108
A. V. Filippenko Russia 3 72 0.9× 33 0.9× 6 0.5× 3 0.4× 18 85
M. Berezina Germany 6 67 0.8× 14 0.4× 5 0.4× 2 0.3× 11 90
A. W. Burnley United Kingdom 4 212 2.5× 13 0.3× 13 1.0× 4 0.5× 13 2.2× 4 233
Donald C. Warren Japan 11 220 2.6× 167 4.4× 11 0.8× 6 0.8× 16 255
V. Sharma India 6 52 0.6× 23 0.6× 3 0.2× 2 0.3× 13 62
V. Evans United Kingdom 7 84 1.0× 6 0.2× 6 0.5× 3 0.4× 2 0.3× 10 111
A. Turcati Germany 4 51 0.6× 78 2.1× 3 0.2× 5 0.6× 6 94
M. S. Briggs United States 4 24 0.3× 9 0.2× 4 0.3× 8 1.0× 12 40
L. Ott United States 5 26 0.3× 8 0.2× 4 0.3× 4 0.5× 1 0.2× 11 70
Mehdi Rezaie United States 6 89 1.1× 15 0.4× 6 0.5× 2 0.3× 9 112

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

20 of 20 papers shown
1.
Nicholl, M., P. K. Blanchard, E. Berger, et al.. (2020). An extremely energetic supernova from a very massive star in a dense medium. Nature Astronomy. 4(9). 893–899. 26 indexed citations
2.
Falco, E., S. P. Willner, P. Challis, et al.. (2015). Spectroscopic Classification of ASASSN-15hg. ATel. 7420. 1.
3.
Marion, G. H., P. Challis, M. Hicken, et al.. (2012). Early Optical and NIR Photometry and Optical Spectroscopy of SN 2012cg. ATel. 4159. 1. 1 indexed citations
4.
Cenko, S. B., A. V. Filippenko, A. J. Drake, et al.. (2011). Supernova 2011D in UGC 2498.. 2627. 1. 1 indexed citations
5.
Chornock, R., A. M. Soderberg, R. J. Foley, et al.. (2010). GRB 100316D: spectroscopic discovery of a supernova from Magellan.. GCN. 10541. 1.
6.
Garnavich, P., et al.. (2009). Supernova 2009dc in UGC 10064. 1776. 1. 1 indexed citations
7.
Challis, P. & J. Huchra. (2009). Supernova 2009an in NGC 4332. 1709. 1. 1 indexed citations
8.
Challis, P. & M. Calkins. (2009). Supernova 2008ip in NGC 4846. 1649. 1. 1 indexed citations
9.
Challis, P. & Sumin Tang. (2009). Supernovae 2009eq, 2009er, 2009es, 2009et, and 2009eu.. 1818. 2.
10.
Challis, P.. (2008). Supernova 2008fv in NGC 3147. 1522. 1. 1 indexed citations
11.
Torres, M. A. P., P. G. Jonker, P. Challis, et al.. (2007). XMMSL1 J070542.7-381442 is a nova. The astronomer's telegram. 1285. 1. 1 indexed citations
12.
Blondin, S., M. Modjaz, R. Kirshner, P. Challis, & P. Berlind. (2007). Supernova 2007U in ESO 552-65. 838. 1.
13.
Blondin, S., et al.. (2006). Supernova 2006at [resend (Url truncated in Cbet 440 by e-mailing software)]. 441. 1. 1 indexed citations
14.
Modjaz, M., R. Kirshner, P. Challis, T. Matheson, & P. Berlind. (2005). Supernova 2005hg in UGC 1394. 271. 1. 1 indexed citations
15.
Matheson, T., P. Challis, R. Kirshner, & P. Berlind. (2004). Supernova 2004C in NGC 3683. International Astronomical Union Circular. 57. 2. 1 indexed citations
16.
Matheson, T., P. Challis, R. Kirshner, & P. Berlind. (2004). Supernovae 2004ak, 2004al, and 2004ap. IAUC. 8303. 1. 1 indexed citations
17.
Modjaz, M., R. Kirshner, P. Challis, T. Matheson, & M. Calkins. (2004). Supernova 2004ek in UGC 724. 86. 1. 1 indexed citations
18.
Modjaz, M., P. Challis, R. Kirshner, & M. Calkins. (2004). Supernova 2004er in MCG -01-7-24. IAUC. 8415. 2.
19.
Matheson, T., P. Challis, R. Kirshner, & P. Berlind. (2003). Supernovae 2003io, 2003iq, and 2003is. IAUC. 8225. 2. 1 indexed citations
20.
Soderberg, A., P. Challis, & N. B. Suntzeff. (1999). The Evolution of SN1987A Debris: 12 Year Light Curves in UBVRIJHK. AAS. 194.

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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