Aleksey Generozov


Postdoc
The Technion, Israel Institute of Technology
Citizenship: US
PhD completed: June 2018
📧 al.generozov AT campus.technion.ac.il
0000-0001-9261-0989
Personal website

Employment history

2022--
Zuckerman Scholar, The Technion, Israel Institute of Technology, Haifa, Israel.

2021--2022
Postdoc, The Technion, Israel Institute of Technology, Haifa, Israel. Advisor: Hagai Perets.

2018--2021
Postdoc, University of Colorado Boulder, Boulder, CO. Advisor: Ann-Marie Madigan.

Education

2012--2018
PhD Astronomy, Columbia University, New York, NY. Advisor: Brian Metzger.
Thesis: Stellar and Gas Dynamics in Galactic Nuclei.

2008--2012
BS Physics, University of California, Santa Barbara, Santa Barbara, CA.

Refereed Publications (1st author: 12, 2nd author: 4, *=Advised student)

  1. A Triple Scenario for the Formation of Wide Black Hole Binaries Such As Gaia BH1
    A. Generozov, H Perets, 2023, ApJ, 964, 83

  2. Capture of stars into gaseous discs around massive black holes: alignment, circularization, and growth
    A. Generozov, H Perets, 2023, MNRAS, 522, 1763

  3. Binary formation through gas-assisted capture and the implications for stellar, planetary and compact-object evolution
    M. Rozner, A. Generozov, H. Perets, 2023, MNRAS, 521, 866

  4. Constraints on the origins of hypervelocity stars: velocity distribution, mergers, and star formation history
    A. Generozov, H Perets, 2022, MNRAS, 513, 4257

  5. Forming Young and Hypervelocity Stars in the Galactic Centre via Tidal Disruption of a Molecular Cloud
    A. Generozov, S. Nayakshin, A.-M. Madigan, 2022, MNRAS, 512, 4100

  6. A Lopsided Outer Solar System
    A. Zderic, M. Tiongco, A. Collier, H. Wernke, A. Generozov, A.-M. Madigan, 2021, AJ, 162, 278
    Appendix A; Validation of precession rate calculation.

  7. Galactic merger implications for eccentric nuclear disks: a mechanism for disk alignment
    A. Rodriguez*, A. Generozov, A.-M. Madigan, 2021, MNRAS, 503, 2713

  8. Mass ratio, the hills mechanism, and the galactic centre S-stars
    A. Generozov, 2021, MNRAS, 501, 3088

  9. A Stream of Hypervelocity Stars from the Galactic Center
    A. Generozov, 2020, ApJ, 904, 118

  10. The Hills Mechanism and the Galactic Center S-Stars
    A. Generozov, A.-M. Madigan, 2020, ApJ, 896, 137

  11. Mass Segregation in Eccentric Nuclear Disks: Enhanced Tidal Disruption Event Rates for High-mass Stars
    H. Foote*, A. Generozov, A.-M. Madigan, 2020, ApJ, 890, 175

  12. Implications from Late-Time X-ray Detections of Optically Selected Tidal Disruption Events: State Changes, Unification, and Detection Rates
    P.G. Jonker, N.C. Stone, A. Generozov, S. van Velzen, B.D. Metzger, 2020, ApJ, 889, 166
    Contribution: Section 3.3.

  13. A generalized Bondi accretion model for the galactic centre
    A. Yalinewich, R. Sari, A. Generozov, N.C. Stone, B.D. Metzger, 2018, MNRAS, 479, 4778
    Contribution: Idea for paper; validation of steady-state solutions with hydro code from Generozov et al. 2015.

  14. An overabundance of X-ray binaries in the galactic center from tidal captures
    A. Generozov, N.C. Stone, B.D. Metzger, J.P. Ostriker, 2018, MNRAS, 478, 4030

  15. The delay time distribution of tidal disruption flares
    N.C. Stone, A. Generozov, E. Vasiliev, B.D. Metzger, 2017, MNRAS, 480, 5060
    Contribution: Section 2.2.

  16. The influence of circumnuclear environment on the radio emission from TDE jets
    A. Generozov, P. Mimica, B.D. Metzger, N.C. Stone, D. Giannios, and M.A. Aloy, 2017, MNRAS, 464, 2481

  17. Circumnuclear media of quiescent supermassive black holes
    A. Generozov, N.C. Stone and B.D. Metzger, 2015, MNRAS, 453, 775

  18. Lyman edges in supermassive black hole binaries
    A. Generozov and Z. Haiman, 2014, MNRAS, 443, L64

  19. Physical properties of the inner shocks in hot, tilted black hole accretion flows
    A. Generozov, O. Blaes, P. Fragile, and K. Henisey, 2014, ApJ, 780, 81

Selected talks

Formation and evolution of young stars in the Galactic Center

Going local: the Galactic center as a case study of binaries in a galactic nucleus

The Hills mechanism and the Galactic center S-stars

Mass segregation and TDEs in eccentric nuclear disks

Formation of X-ray binaries in the Galactic center via tidal capture

Radio emission from TDE jets

Teaching

2018
Guest Lecturer, CU Boulder.
"Origin and Evolution of Planetary Systems."

2018
Instructor for Intro Astronomy Lab, Columbia University.

Outreach

2019
Northern Colorado Astronomical Society outreach lecture.
"A Tour of the Galactic Center."

2018--
Volunteer for PISEC at CU Boulder.
Interactive activities with high schools and elementary schools.

2013--2018
Columbia astronomy outreach.
Volunteer for public outreach nights, sidewalk astronomy, and family astro.

2017
Volunteer for "Kids' Week" at the Intrepid Air and Space Museum.
Showed a demo at this event.

2015
Columbia astronomy outreach lecture.
"On the Care and Feeding of Black Holes."

2015
Volunteer for Girls Science Day.
Showed physics demos to middle school girls.

2014
Volunteer for Saturday Science Starters.
Showed physics demos to middle school children.

Academic service

2020
Session chair.
AAS DDA meeting.

2019--
Peer reviewer.
ApJ, MNRAS, ISSI.

2019--2020
Organizer for dynamics "special topics" meeting at CU Boulder.

2019
Reviewer for an international research grants council.

2019--
Organizer for CU Boulder journal club.

2017
Mentor for Columbia astronomy undergraduate mentoring program.

2015--2016
Mentor for Columbia astronomy graduate mentoring program.

2015--2017
Organizer of Columbia astro-ph coffee.

2015--2016
Student representative on Columbia astronomy graduate admissions committee.

Awards

2022--
Zuckerman Postdoctoral Scholar

2012
UCSB Academic Excellence Award, highest academic honors.

2011
Barry M Goldwater Scholar.

2008--2012
UCSB Regents Scholar.

Students

2019--
Alexander Rodriguez, Undergraduate, University of Colorado Boulder. (Co-advised with Ann-Marie Madigan)

2018--2020
Hayden Foote, Undergraduate, University of Colorado Boulder. (Co-advised with Ann-Marie Madigan)

Software/Tools

zams_tidal_coupling:Tidal coupling constants for zero age main sequence stars. Available at https://github.com/alekseygenerozov/zams_tidal_coupling/