Alexander Kosovichev
Distinguished Professor, Physics
482 Tiernan Hall (TIER)
About Me
Degrees:
D.Sc. Astrophysics, 1989, St.Petersburg Univ.
Ph.D., Applied Math., 1980, Moscow Univ.
Positions:
09/13-present: Distinguished Professor, NJIT
09/94 – 08/13: Stanford University
10/90 – 09/94: Univ. of Cambridge
11/79 – 10/90: Crimean Astrophys. Observatory
Recognition:
Wempe Prize in Astrophysics(2005)
Fellow of American Geophysical Union
Education
Ph.D. ; ; ;

D.Sc. ; St.Petersburg University ; Astrophysics ; 1989

Ph.D. ; Moscow University ; Applied Mathematics ; 1980

M.S. ; Novosibirsk University ; Physics ; 1975

2025 Fall Courses
PHYS 792 - PRE-DOCTORAL RESEARCH

PHYS 701C - MASTER'S THESIS

PHYS 725 - INDEPENDENT STUDY I

PHYS 491 - INDEPENDENT STUDY II

PHYS 202 - INTRO ASTRONOMY COSMOLGY

PHYS 700B - MASTER'S PROJECT

PHYS 701B - MASTER'S THESIS

PHYS 726 - INDEPENDENT STUDY II

PHYS 780 - ST: SOLAR AND SOLAR-TERRESTRIAL PHYSICS

PHYS 490 - INDEPENDENT STUDY

PHYS 790A - DOCT DISSERTATION & RES

Teaching Interests
Solar-terrestrial physics, plasma physics, heliophysics
Past Courses
PHYS 202: INTRO ASTRONOMY COSMOLGY

PHYS 202: INTRODUCTORY ASTRONOMY AND COSMOLOGY

PHYS 741: BASIC PLASMA PHYS W SPACE, LAB

PHYS 747: INTRO TO HELIOSEISMOLOGY

PHYS 780: CURR TOPICS APPLIED PHYS

Research Interests
Solar observations and theory, helioseismology, astrophysics, numerical simulations.
Journal Article
Krishnendu Mandal, Alexander G. Kosovichev, Valery V. Pipin, Sylvain G. Korzennik. 2025. "Investigating Variations in Solar Differential Rotation by Helioseismology." The Astrophysical Journal , vol. 993 , no. 1 , pp. 71.

Alexander V. Getling, Alexander G. Kosovichev. 2025. "Activity-Cycle Variations of Convection Scales in Subsurface Layers of the Sun." Solar Physics , vol. 300 , no. 9 .

Krishnendu Mandal, Alexander G. Kosovichev, Valery V. Pipin, Sylvain G. Korzennik. 2025. "Investigating Variations in Solar Differential Rotation by Helioseismology." arXiv e-prints , pp. arXiv:2505.10756.

Viacheslav Sadykov, Petrus Martens, Dustin Kempton, Rafal Angryk, Berkay Aydin, Jessica Hamilton, Griffin Goodwin, Aatiya Ali, Sanjib K C, Rimsha Syeda, Irina Kitiashvili, Kathryn Whitman, Alexander G. Kosovichev, Kimberly Moreland, Manolis Georgoulis, Ming Zhang, Azim Ahmadzadeh, Ronald Turner. 2025. "Operational and Exploration Requirements and Research Capabilities for SEP Environment Monitoring and Forecasting." arXiv e-prints , pp. arXiv:2505.10390.

John T. Stefan, Alexander G. Kosovichev, Gustavo Guerrero, Andrey M. Stejko. 2025. "Resolution of the Solar Convective Conundrum? New Results Using the Time-Distance Deep-Focus Method." arXiv e-prints , pp. arXiv:2505.05454.

SHOW MORE
Conference Proceeding
"Effects of Rotation on the Structure and Dynamics of Outer Convection Zones in F-type Stars"
June, 2025.

"Exploring Moreton-Ramsey Wave Dynamics with 3D Acoustic and 3D Non-linear MHD Simulations"
June, 2025.

"Improving Our Knowledge of the Solar Near-Surface Shear Layer: The Special Case of the Leptocline"
June, 2025.

"Investigating Dynamo Wave-Like Signatures in Solar Differential Rotation Variations"
June, 2025.

"Investigating Solar Polar Vortex Flows as Manifestations of Inertial Waves"
June, 2025.

SHOW MORE
Other
"Development of Intelligent Databases and Analysis Tools for Heliophysics"
Wiley, January (1st Quarter/Winter), 2022.

"Characteristics of Sunquake Events Observed in Solar Cycle 24"
Copernicus GmbH, April (2nd Quarter/Spring), 2021.

Chapter
Jean-Pierre Rozelot, Alexander G. Kosovichev, Ali Kilcik. "A brief history of the solar diameter measurements: a critical quality assessment of the existing data." "Variability of the Sun and Sun-like Stars: from Asteroseismology to Space Weather," pp. 89-108. EDP Sciences, 2020.

Jean-Pierre Rozelot, Alexander G. Kosovichev, Ali Kilcik. "A brief history of the solar diameter measurements: a critical quality assessment of the existing data." "Variability of the Sun and Sun-like Stars: from Asteroseismology to Space Weather," pp. 89-108. EDP Sciences, 2020.

Alexander G. Kosovichev, Junwei Zhao, Stathis Ilonidis. "Local Helioseismology of Emerging Active Region: A Case Study." "Variability of the Sun and Sun-like Stars: from Asteroseismology to Space Weather," pp. 15-38. EDP Sciences, 2020.

Alexander G. Kosovichev, Junwei Zhao, Stathis Ilonidis. "Local Helioseismology of Emerging Active Region: A Case Study." "Variability of the Sun and Sun-like Stars: from Asteroseismology to Space Weather," pp. 15-38. EDP Sciences, 2020.

Alan A. Wray, Khalil Bensassiy, Irina N. Kitiashvili, Nagi N. Mansour, Alexander G. Kosovichev. "Realistic Simulations of Stellar Radiative MHD." "Variability of the Sun and Sun-like Stars: from Asteroseismology to Space Weather," pp. 39-62. EDP Sciences, 2020.

Alan A. Wray, Khalil Bensassiy, Irina N. Kitiashvili, Nagi N. Mansour, Alexander G. Kosovichev. "Realistic Simulations of Stellar Radiative MHD." "Variability of the Sun and Sun-like Stars: from Asteroseismology to Space Weather," pp. 39-62. EDP Sciences, 2020.

Book
Alexander G. Kosovichev. "Solar and Stellar Magnetic Fields: Origins and Manifestations." 495 pp. Cambridge University Press, 2020. ISBN ISBN110848249X.

Technical Report
"How big is the Sun: Solar diameter changes over time"
Balkan, Black sea and Caspian sea Regional Network for Space Weather Studies, April (2nd Quarter/Spring), 2018.

Manuscript
"On the role of tachoclines in solar and stellar dynamos"
ArXiv e-prints, July (3rd Quarter/Summer), 2015.

"Simulations of Stellar Magnetoconvection using the Radiative MHD Code ‘StellarBox’"
ArXiv e-prints, July (3rd Quarter/Summer), 2015.

"Effects of large-scale non-axisymmetric perturbations in the mean-field solar dynamo"
ArXiv e-prints, May, 2015.

"Using MHD simulations to model H-alpha and UV spectral lines for interpretation of IRIS and NST data"
ArXiv e-prints, November, 2014.