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Personal profile

Research Interests

Interstellar and circumstellar medium, star formation and feedback, Magellanic Clouds, dust disks around white dwarfs

Professional Information

I study interactions between stars and the interstellar medium, including HII regions, planetary nebulae, supernova remnants, superbubbles, and supergiant shells.  Multi-wavelength observations from radio to gamma ray are used to study the formation of massive stars, energy feedback, and physics of interfaces and shocks.

I also use X-ray and infrared observations of white dwarfs to diagnose unusual phenomena that could be associated with binary interactions or planetary systems.


PhD, Astronomy, University of California, Berkeley, 1981

Honors & Awards

Lindheimer Fellow, Northwestern University, 1984
Associate, Center for Advanced Study, U of Illinois, 2003


Fall 2013 - ASTR 401
Fall 2013 - ASTR 404

Office Address

122 Astronomy Building, MC-221
1002 W. Green St.
Urbana, IL 61801

Office Phone


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  • 1 Similar Profiles


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  • The Nature of Blue Stars with Mid-infrared Excesses in the Large Magellanic Cloud

    Ishioka, R., Chu, Y-H., Edmister, A., Gruendl, R. A., Zhang, L. & Zhu, J., Mar 1 2023, In: Astrophysical Journal, Supplement Series. 265, 1, 18.

    Research output: Contribution to journalArticlepeer-review

    Open Access
  • ALMA Band-1 (35-50GHz) receiver: First light, performance, and road to completion

    Huang, Y. D., Hwang, Y. J., Chiong, C. C., Yen, H. W., Koch, P. M., Huang, C. D., Liu, B., Chen, C. L., Tsai, J. J., Hsiung, W. L., Chi, L. P., Ho, C. T., Wang, C. C., Chien, C., Chu, Y. H., Ho, P., Kemper, F., Morata, O., Gonzalez, A., Iguchi, S., & 14 othersUzawa, Y., Iono, D., Nagai, H., Effland, J., Saini, K., Pospieszalski, M., Henke, D., Yeung, K., Finger, R., Tapia, V., Reyes, N., Siringo, G., Marconi, G. & Cabezas, R., 2022, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI. Zmuidzinas, J. & Gao, J-R. (eds.). SPIE, 121900K. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12190).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • An XMM-Newton EPIC X-Ray View of the Symbiotic Star R Aquarii

    Toalá, J. A., Sabin, L., Guerrero, M. A., Ramos-Larios, G. & Chu, Y. H., Mar 1 2022, In: Astrophysical Journal Letters. 927, 1, L20.

    Research output: Contribution to journalArticlepeer-review

    Open Access
  • Common envelope evolution in born-again planetary nebulae - Shaping the H-deficient ejecta of A 30

    Rodríguez-González, J. B., Santamaría, E., Toalá, J. A., Guerrero, A. A., Montoro-Molina, B., Rubio, G., Tafoya, D., Chu, Y. H., Ramos-Larios, G. & Sabin, L., Aug 1 2022, In: Monthly Notices of the Royal Astronomical Society. 514, 4, p. 4794-4802 9 p.

    Research output: Contribution to journalArticlepeer-review

  • The messy death of a multiple star system and the resulting planetary nebula as observed by JWST

    De Marco, O., Akashi, M., Akras, S., Alcolea, J., Aleman, I., Amram, P., Balick, B., De Beck, E., Blackman, E. G., Boffin, H. M. J., Boumis, P., Bublitz, J., Bucciarelli, B., Bujarrabal, V., Cami, J., Chornay, N., Chu, Y. H., Corradi, R. L. M., Frank, A., García-Hernández, D. A., & 49 othersGarcía-Rojas, J., García-Segura, G., Gómez-Llanos, V., Gonçalves, D. R., Guerrero, M. A., Jones, D., Karakas, A. I., Kastner, J. H., Kwok, S., Lykou, F., Manchado, A., Matsuura, M., McDonald, I., Miszalski, B., Mohamed, S. S., Monreal-Ibero, A., Monteiro, H., Montez, R., Baez, P. M., Morisset, C., Nordhaus, J., Mendes de Oliveira, C., Osborn, Z., Otsuka, M., Parker, Q. A., Peeters, E., Quint, B. C., Quintana-Lacaci, G., Redman, M., Ruiter, A. J., Sabin, L., Sahai, R., Contreras, C. S., Santander-García, M., Seitenzahl, I., Soker, N., Speck, A. K., Stanghellini, L., Steffen, W., Toalá, J. A., Ueta, T., Van de Steene, G., Van Winckel, H., Ventura, P., Villaver, E., Vlemmings, W., Walsh, J. R., Wesson, R. & Zijlstra, A. A., Dec 2022, In: Nature Astronomy. 6, 12, p. 1421-1432 12 p.

    Research output: Contribution to journalArticlepeer-review