PEER-REVIEWED ARTICLES  [† =Student-led]

1. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS). I. Motivation, sample, data reduction and results overview 

Marino S., Matra L., Hughes A. M., et al. including Sefilian A. A., 2026, Astronomy & Astrophysics (accepted)

2. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS). II. The radial structure of debris discs

Han Y., Mansell E., Jennings J., et al. including Sefilian A. A., 2026, Astronomy & Astrophysics (accepted)

3. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS). III. The vertical structure of debris discs

Zawadzki B., Fehr A., Hughes A. M., et al. including Sefilian A. A., 2026, Astronomy & Astrophysics (accepted)

4. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS). IV. CO gas imaging and overview 

Mac Manamon S., Matra L., Marino S., et al. including Sefilian A. A., 2026, Astronomy & Astrophysics (accepted)

5. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS). V. Comparison between scattered light and thermal emission 

Milli J., Olofsson J., Bonduelle M., et al. including Sefilian A. A., 2026, Astronomy & Astrophysics (accepted)

6. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS). VI. Asymmetries and offsets

Lovell J. B., Hales A. S., Kennedy G. M., et al. including Sefilian A. A., 2026, Astronomy & Astrophysics (accepted)

7. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS). VII. Optically thick gas with broad CO Gaussian local line profiles in the HD 121617 disc 

Brennan A., Matra L., Mac Manamon S., et al. including Sefilian A. A., 2026, Astronomy & Astrophysics (accepted)

8. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS). VIII. A dust arc and non-Keplerian gas kinematics in HD 121617

Marino S., Gupta V., Weber P., et al. including Sefilian A. A., 2026, Astronomy & Astrophysics (accepted)

9. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS). IX. Gas-driven origin for the continuum arc in the debris disc of HD 121617

Weber P., Perez S., Baruteau C., et al. including Sefilian A. A., 2026, Astronomy & Astrophysics (accepted)

10. The ALMA survey to Resolve exoKuiper belt Substructures (ARKS). X. Interpreting the peculiar dust rings around HD 131835

Jankovic M. R., Pawellek N., Zander J., et al. including Sefilian A. A., 2026, Astronomy & Astrophysics (accepted)

11. JWST/MIRI coronagrahic search for planets in systems with gapped exoKuiper belts and proper motion anomalies  [pdf]
    Bendahan-West R., Marino S., Carter A. L. et al. including Sefilian A. A., 2026, Monthly Notices of the Royal Astronomical Society (accepted)

12. The polar debris disc around 99 Herculis: A potential signpost  for polar circumbinary planets [pdf]
    Smallwood J. L., DeRocco W., Qin Z. & Sefilian A. A., 2026, Monthly Notices of the Royal Astronomical Society: Letters, arXiv: 2510.08698

13. Testing the impact of planet-stirring, self-stirring, and mixed-stirring on debris disc architecture: A case study of HD 16743 [pdf]
    Marshall J. P., Muñoz-Gutiérrez M. A., Sefilian A. A. & Peimbert A., 2026, Monthly Notices of the Royal Astronomical Society (submitted), arXiv: 2509.22822

14. JWST/MIRI imaging of the warm dust component of the Epsilon Eridani debris disk [pdf]
    Wolff S. G., Gáspár A., Rieke G., Leisenring J. M.,  Sefilian A. A., et al., 2025, The Astronomical Journal, 170, 244 (22pp)

15. ALMA reveals an eccentricity gradient in the Fomalhaut debris disk [pdf]
    Lovell J. B., Lynch E. M., Chittidi J., Sefilian A. A., et al., 2025, The Astrophysical Journal, 990, 145 (18pp)

16. The influence of cold Jupiters in the formation of close-in planets. II. Collisional growth of planetesimals [pdf]
    † Best M., Sefilian A. A., Charalambous C., Silbee K. & Petrovich C., 2025, The Astrophysical Journal, arXiv: 2509.02745 (19pp)

17. The vertical structure of debris discs and the role of disc gravity: A primer using a simplified model [pdf]
    Sefilian A. A., Kratter K. M., Wyatt M. C., Petrovich C., Thébault P., Malhotra R., & Faramaz-Gorka V., 2025, Monthly Notices of the Royal Astronomical Society, 543, 3123 (29pp) 

18. Dust populations from 30 to 1000 au in the debris disk of HD 120326: Panchromatic view with VLT/SPHERE, ALMA, and HST/STIS [pdf]

Desgrange C., Milli J., Chauvin G., et al. including Sefilian A. A., 2025, Astronomy & Astrophysics, 698, A183 (25pp) 

19. A JWST MIRI MRS view of the η Tel debris disk and its brown dwarf companion [pdf]

Chai Y., Chen C. H., Worthen K., Li A., Sefilian A. A., et al., 2024, The Astrophysical Journal, 976, 167 (22pp) 

20. The Large Interferometer For Exoplanets (LIFE): a space mission for mid-infrared nulling interferometry[pdf]

Glauser A. M., Quanz S. P., Hansen J., et al. including Sefilian A. A., 2024, SPIE Proceedings Vol. 13095 (21pp)

21. Massive debris disks may hinder secular stirring by planetary companions: An analytic proof of concept  [pdf]

Sefilian A. A., 2024, The Astrophysical Journal, 966, 140 (10pp)

22. Why dust pressure matters in debris discs [pdf] 

Lynch E. M., Lovell J. B. & Sefilian A. A., 2024, Monthly Notices of the Royal Astronomical Society: Letters, 529, L147 (5pp)

23. The effect of sculpting planets on the steepness of debris-disc inner edges [pdf]

Pearce  T. D., Krivov A. V., Sefilian A. A., et al., 2024, Monthly Notices of the Royal Astronomical Society, 527, 3876 (24pp)

24. The influence of cold Jupiters in the formation of close-in planets. I. Planetesimal transport [pdf]

† Best M., Sefilian A. A. & Petrovich C., 2024, The Astrophysical Journal, 960, 89 (16pp)

25. Self-gravity of debris discs can strongly change the outcomes of interactions with inclined planets [pdf]

Poblete P. P., Löhne T., Pearce T. D. & Sefilian A. A., 2023, Monthly Notices of the Royal Astronomical Society, 526, 2017 (15 pp)

26. Formation of gaps in self-gravitating debris disks by secular resonance in a single-planet system. II. Toward a self-consistent model [pdf]

Sefilian A. A., Rafikov R. R. & Wyatt M. C., 2023, The Astrophysical Journal, 954, 100 (31 pp)

27. The case of HD 106906 debris disc: A binary's revenge [pdf]

Farhat M., Sefilian A. A. & Touma J. R., 2023, Monthly Notices of the Royal Astronomical Society, 521, 2067 (20 pp)

28. The vertical structure of debris discs and the impact of gas [pdf]

Olofsson J., Thébault P., Kral Q., et al. including Sefilian A. A., 2022, Monthly Notices of the Royal Astronomical Society, 513, 713 (22 pp)

29. Formation of gaps in self-gravitating debris disks by secular resonance in a single-planet system. I. A simplified model [pdf]

Sefilian A. A., Rafikov R. R. & Wyatt M. C., 2021, The Astrophysical Journal, 910, 13 (22 pp)

30. Potential softening and eccentricity dynamics in razor-thin, nearly Keplerian discs [pdf]

Sefilian A. A. & Rafikov R. R., 2019, Monthly Notices of the Royal Astronomical Society, 489, 4176 (20 pp)

31. Shepherding in a self-gravitating disk of trans-Neptunian objects [pdf]

Sefilian A. A. & Touma J. R., 2019, The Astronomical Journal, 157, 59 (16 pp)

Featured by AAS NOVA for being one of the most downloaded papers published in AAS journals in 2019 [Link]. For more in the media, click here.

DISSERTATIONS 

1. Secular dynamics of self-gravitating debris discs  [pdf]

Ph.D. Thesis, University of Cambridge, Supervisor: Prof. Roman. R. Rafikov

2. From planetesimal discs in wide binaries to the outer-remnants of planet formation: variations on the dynamics of small bodies with big companions [pdf]

M.Sc. Thesis, American University of Beirut, Supervisor: Prof. Jihad R. Touma