S. G. Jorstad

9.7k citations

64 papers · 1.8k indexed · 1 hit paper · h-index 21

Co-authors: Alan P. Marscher José L. Gómez M. L. Lister A. M. Stirling W. K. Gear T. V. Cawthorne Paul S. Smith A. E. Wehrle
Topics: Astrophysics and Cosmic Phenomena (62 papers)Radio Astronomy Observations and Technology (42 papers)Neutrino Physics Research (16 papers)
Cited by: Nuclear and High Energy Physics Astronomy and Astrophysics Aerospace Engineering
Journals: Nature ScienceSHILAP Revista de lepidopterología
Partner nations: United States Russia Spain

In The Last Decade

S. G. Jorstad

56 papers receiving 1.7k 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.

Polarimetric Observations of 15 Active Galactic Nuclei at High Frequencies: Jet Kinematics from Bimonthly Monitoring with the Very Long Baseline Array

2005 393 citations S. G. Jorstad, Alan P. Marscher et al. profile →

Peers

Countries citing papers authored by S. G. Jorstad

Since Specialization

Citations

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

Fields of papers citing papers by S. G. Jorstad

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by S. G. Jorstad. 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 S. G. Jorstad. The network helps show where S. G. Jorstad may publish in the future.

Co-authorship network of co-authors of S. G. Jorstad

This figure shows the co-authorship network connecting the top 25 collaborators of S. G. Jorstad. A scholar is included among the top collaborators of S. G. Jorstad 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 S. G. Jorstad. S. G. Jorstad 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	Evolution, speed, and precession of the parsec-scale jet in the 3C 84 radio galaxy 2025 ·Astronomy and Astrophysics ·Marianna Foschi,José L. Gómez,Antonio Fuentes,Ikuo Cho,Alan P. Marscher,S. G. Jorstad	0
2	Polarization Studies in Different Blazar Types. I. Correlation Between Optical Brightness and Polarization Degree 2025 ·Research in Astronomy and Astrophysics ·(unknown),(unknown),D. A. Morozova,S. G. Jorstad,Г. А. Борман,T. S. Grishina,E. N. Kopatskaya,Е. Г. Ларионова,A. A. Vasilyev,(unknown),(unknown),(unknown),(unknown),А. В. Жовтан	0
3	The polarisation behaviour of OJ 287 viewed through radio, millimetre, and optical observations between 2015 and 2017 2025 ·Astronomy and Astrophysics ·Jenni Jormanainen,(unknown),(unknown),A. Berdyugin,(unknown),(unknown),Helen Jermak,S. G. Jorstad,(unknown),(unknown),K. Nilsson,Peter G. Smith,I. A. Steele,J. Tammi,M. Tornikoski,(unknown)	1
4	Jet outflow and gamma-ray emission correlations in S5 0716 2014 ·Springer Link (Chiba Institute of Technology) ·Bindu Rani,T. P. Krichbaum,Alan P. Marscher,S. G. Jorstad,Jeffrey A. Hodgson,L. Fuhrmann,J. A. Zensus	16
5	The Role of Multiple Shocks in the Production of GeV Gamma-ray Flaring in the Blazar 1156+295 2014 ·M. F. Aller,P. A. Hughes,H. D. Aller,T. Hovatta,S. G. Jorstad,Alan P. Marscher,Venkatessh Ramakrishnan	1
6	PROBING THE PARSEC-SCALE ACCRETION FLOW OF 3C 84 WITH MILLIMETER WAVELENGTH POLARIMETRY 2014 ·DSpace@MIT (Massachusetts Institute of Technology) ·R. L. Plambeck,Geoffrey C. Bower,Ramprasad Rao,Daniel P. Marrone,S. G. Jorstad,Alan P. Marscher,Sheperd S. Doeleman,Vincent L. Fish,Michael D. Johnson	30
7	The jet of the quasar 4C+21.35 from parsec to kiloparces scales and its role in high energy photon production 2014 ·Proceedings of the International Astronomical Union ·S. G. Jorstad,Alan P. Marscher,D. A. Morozova,(unknown),I. Agudo,José L. Gómez,A. Lähteenmäki,V. M. Larionov,Paul S. Smith,M. Tornikoski	1
8	The TeV blazar Markarian 421 at the highest spatial resolution 2013 ·Springer Link (Chiba Institute of Technology) ·(unknown),Rocco Lico,M. Giroletti,M. Orienti,G. Giovannini,W. D. Cotton,P. G. Edwards,L. Fuhrmann,T. P. Krichbaum,Y. Y. Kovalev,S. G. Jorstad,Alan P. Marscher,Motoki Kino,D. Paneque,M. A. Pérez‐Torres,B. G. Piner,K. V. Sokolovsky	12
9	VLBA monitoring of Mrk 421 at 15 GHz and 24 GHz during 2011 2012 ·Springer Link (Chiba Institute of Technology) ·Rocco Lico,M. Giroletti,M. Orienti,G. Giovannini,W. D. Cotton,P. G. Edwards,L. Fuhrmann,T. P. Krichbaum,K. V. Sokolovsky,Y. Y. Kovalev,S. G. Jorstad,Alan P. Marscher,Motoki Kino,D. Paneque,M. A. P. Torres,(unknown)	27
10	Relation between Events in the Millimeter-wave Core and Gamma-ray Outbursts in Blazar Jets 2012 ·arXiv (Cornell University) ·Alan P. Marscher,S. G. Jorstad,I. Agudo,Nicholas R. MacDonald,Terri L. Scott	1
11	Gamma-Ray Blazar BL Lacertae at historic high brightness in millimeter, X-ray and far-infrared bands 2012 ·ATel ·A. E. Wehrle,D. Grupe,Mark Gurwell,S. G. Jorstad,Alan P. Marscher	2
12	Comprehensive Multi-waveband Monitoring of Gamma-ray Blazars 2010 ·Bulletin of the American Astronomical Society ·Alan P. Marscher,S. G. Jorstad,V. M. Larionov,I. Agudo,M. F. Aller,(unknown),A. Lähteenmäki,Paul S. Smith,T. P. Krichbaum,I. M. McHardy	0
13	Optical and NIR activity of blazars 3C454.3 and 3C66a 2010 ·ATel ·V. M. Larionov,Elena Borisova,S. G. Jorstad,Brian Taylor,A. A. Arkharov,(unknown)	1
14	RAPID MULTIWAVEBAND POLARIZATION VARIABILITY IN THE QUASAR PKS 0420014: OPTICAL EMISSION FROM THE COMPACT RADIO JET 2007 ·Francesca D’Arcangelo,Alan P. Marscher,S. G. Jorstad,Paul S. Smith,V. M. Larionov,V. A. Hagen‐Thorn,E. N. Kopatskaya,G. G. Williams,W. K. Gear	28
15	The milliarcsecond-scale jet of PKS 0735+178 during quiescence 2006 ·Astronomy and Astrophysics ·I. Agudo,José L. Gómez,D. C. Gabuzda,Alan P. Marscher,S. G. Jorstad,A. Alberdi	13
16	Structure and flux variability in the VLBI jet of BL Lacertae during the WEBT campaigns (1995–2004) 2006 ·Astronomy and Astrophysics ·U. Bach,M. Villata,C. M. Raiteri,I. Agudo,H. D. Aller,M. F. Aller,(unknown),José L. Gómez,S. G. Jorstad,Alan P. Marscher,R. L. Mutel,H. Teräsranta	31
17	Highly Variable Apparent Speed in the Quasar 3C 279 2005 ·MmSAI ·S. G. Jorstad,Alan P. Marscher	1
18	Observational evidence for the accretion-disk origin for a radio jet in an active galaxy 2002 ·Nature ·Alan P. Marscher,S. G. Jorstad,José L. Gómez,M. F. Aller,Harri Teräsranta,M. L. Lister,A. M. Stirling	142
19	Analysis of the long-term polarization behaviour of BL Lac 2002 ·Astronomy and Astrophysics ·V. A. Hagen‐Thorn,Е. Г. Ларионова,S. G. Jorstad,C.-I. Björnsson,V. M. Larionov	25
20	Connections between millimetre continuum variations and VLBI structure in 27 AGN 2002 ·Astronomy and Astrophysics ·T. Savolainen,K. Wiik,E. Valtaoja,S. G. Jorstad,Alan P. Marscher	53

About S. G. Jorstad

S. G. Jorstad is a scholar working on Nuclear and High Energy Physics, Astronomy and Astrophysics and Geophysics, having authored 64 papers that have together received 1.8k indexed citations. Recurring topics across this work include Astrophysics and Cosmic Phenomena (62 papers), Radio Astronomy Observations and Technology (42 papers) and Neutrino Physics Research (16 papers). The work is most often cited by research in Nuclear and High Energy Physics (1.7k citations), Astronomy and Astrophysics (1.7k citations) and Aerospace Engineering (36 citations). S. G. Jorstad has collaborated with scholars based in United States, Russia and Spain. Frequent co-authors include Alan P. Marscher, José L. Gómez, M. L. Lister, A. M. Stirling, W. K. Gear, T. V. Cawthorne, Paul S. Smith, A. E. Wehrle, J. A. Stevens and E. I. Robson. Their work appears in journals such as Nature, Science and SHILAP Revista de lepidopterología.

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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