Education

 

• September 2022 - current

  • California Institute of Technology (Caltech)

  • The Division of Physics, Mathematics and Astronomy

  • M.S. in Astrophysics, 2024

  • PhD candidate, Astrophysics

• September 2019 - June 2022

  • University of California Los Angeles (UCLA)

  • Physics and Astronomy Department

  • B.S. in Astrophysics, Summa Cum Laude, Departmental Honors

 

Awards and Scholarships

 

• September 2019 - current

  • Ezoe Memorial Recruit Foundation Scholarship

• June 2023

  • Charles Geoffrey Hilton Excellence in Astronomy Award, UCLA

 

TA experiences

 

• Fall 2023 (Caltech), Ay 101 Physics of stars

• Winter 2023 (Caltech), Ay 102 Physics of the Interstellar Medium

 

Coding/Software experiences

 

• Python

• Modules for Experiments in Stellar Astrophysics (Fortran)

  • MESA summer school 2024

 

Talks

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• “A large sample of WD + MS binaries from Gaia DR3 as probes of binary interactions”, EUROWD24 (Universitat Politècnica de Catalunya), Barcelona, Spain - July 2024

• “A large and unexpected population of WD + MS binaries from Gaia DR3”, Workshop on stable mass transfer in binaries: from onset to remnants (Center for Computational Astrophysics, Flatiron institute), New York, USA - March 2024

• “Na Enhancement in Evolved Cataclysmic Variables”, ITC Luncheon (Institute for Theory and Computation at the Center for Astrophysics, Harvard University), Boston, USA - March 2023

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Publications

 

Yamaguchi N., El-Badry K., Sorabella N. M.,  “A search for self-lensing binaries with TESS and constraints on their occurrence rate”, arXiv:2410.13939, PASP 136 124202

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El-Badry, K., et al. 2023, “The fastest stars in the Galaxy”, arXiv:2306.03914, OJAp, 6, 28.

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Yamaguchi N., El-Badry K., Rees N. R., Sahaf S., Mazeh T., Andrae R., “Wide post-common envelope binaries from Gaia: orbit validation and formation models”, arXiv:2405.06020, PASP 136, 084202.

 

Yamaguchi N., El-Badry K., Ciardi D. R., Latham D. W., Masuda K., Bieryla A., Clark C. A., Condon S. S., “No longer impossible: the self-lensing binary KIC 8145411 is a triple”, arXiv:2405.00780, PASP, 136, 074201.

 

El-Badry K., Rix H., Latham D. W., Shahaf S., Mazeh T., Bieryla A., Buchhave L. A., Andrae R., Yamaguchi N., Isaacson H., Howard A. W., Savino A., Ilyin I. V., “A population of neutron star candidates in wide orbits from Gaia astrometry”, arXiv:2405.00089

 

Yamaguchi, N., El-Badry, K., Fuller, J., Latham, D. W., Cargile, P. A., Mazeh, T., Shahaf, S., Bieryla, A., Buchhave, L. A., Hobson, M., “Wide post-common envelope binaries containing ultramassive white dwarfs: evidence for efficient envelope ejection in massive AGB stars”, arXiv:2309.15905, MNRAS, 527, 11719.

 

Margot, J., et al. 2023, “A Search for Technosignatures Around 11,680 Stars with the Green Bank Telescope at 1.15-1.73 GHz”, arXiv:2308.02712, AJ, 166, 206M

 

El-Badry, K., Shen, J. K., Chandra, V., Bauer, E., Fuller, F., Strader, J., Chomiuk, L., Naidu, R., Caiazzo, I., Rodriguez, A. C., Nagarajan, P., Yamaguchi, N., Vanderbosch, Z. P., Roulston, B. R., Gaensicke, B., Han, J. J., Burdge, K. B., Filippenko, A. V., Brink, T. G., Zheng, W., 2023, “The fastest stars in the Galaxy”, arXiv:2306.03914, OJAp, 6, 28.

 

Yamaguchi, N., El-Badry, K., Rodriguez, A. C., Gull, M., Roulston, B., Vanderbosch, Z. P., 2023, “Sodium enhancement in evolved cataclysmic variables”, arXiv:2304.13750, MNRAS, 524, 740.Yamaguchi, N., Furlanetto, S. R., Trapp, A. C., 2023 “The extent of intergalactic metal enrichment from galactic winds during the Cosmic Dawn”, arXiv:2209.09345, MNRAS, 520, 2922