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Victoria Ashley Villar

Profile Photo
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Email
vav5084@psu.edu
Telephone
(814) 865-0418

525 Davey Laboratory
University Park,, PA 16802

Elsevier Pure Profile
IEE Research Themes
Integrated Energy Systems
Affiliate Researcher
Titles and Affiliations
Assistant Professor, Astronomy & Astrophysics

In the News

Research Keywords

 These keywords and phrases come from the publications and other research output of this person. See other researchers related to these topics by clicking on any keyword.

Merger
Binary Stars
Supernovae
Neutron Stars
LIGO (observatory)
Light Curve
Gravitational Waves
Ejecta
Observatory
Luminosity
Radio
Gamma Ray Bursts
Electromagnetism
Gamma Radiation
Interferometer
Explosion
Erg
Galaxies
Explosions
Telescopes

Recent Publications

Identifying Tidal Disruption Events with an Expansion of the FLEET Machine-learning Algorithm

Gomez, S., Villar, V. A., Berger, E., Gezari, S., van Velzen, S., Nicholl, M., Blanchard, P. K. & Alexander, K. D., Jun 1 2023, In: Astrophysical Journal. 949, 2, 113.

Research output: Contribution to journal › Article › peer-review

The First Two Years of FLEET: An Active Search for Superluminous Supernovae

Gomez, S., Berger, E., Blanchard, P. K., Hosseinzadeh, G., Nicholl, M., Hiramatsu, D., Villar, V. A. & Yin, Y., Jun 1 2023, In: Astrophysical Journal. 949, 2, 114.

Research output: Contribution to journal › Article › peer-review

SBI++: Flexible, Ultra-fast Likelihood-free Inference Customized for Astronomical Applications

Wang, B., Leja, J., Villar, V. A. & Speagle, J. S., Jul 1 2023, In: Astrophysical Journal Letters. 952, 1, L10.

Research output: Contribution to journal › Article › peer-review

A Negative Long Lag from the Optical to the UV Continuum in Fairall 9

Yao, P. Z., Secunda, A., Jiang, Y. F., Greene, J. E. & Villar, A., Aug 1 2023, In: Astrophysical Journal. 953, 1, 43.

Research output: Contribution to journal › Article › peer-review

Target-of-opportunity Observations of Gravitational-wave Events with Vera C. Rubin Observatory

Andreoni, I., Margutti, R., Salafia, O. S., Parazin, B., Villar, V. A., Coughlin, M. W., Yoachim, P., Mortensen, K., Brethauer, D., Smartt, S. J., Kasliwal, M. M., Alexander, K. D., Anand, S., Berger, E., Bernardini, M. G., Bianco, F. B., Blanchard, P. K., Bloom, J. S., Brocato, E., Bulla, M., & 35 othersCartier, R., Cenko, S. B., Chornock, R., Copperwheat, C. M., Corsi, A., D’Ammando, F., D’Avanzo, P., Datrier, L. É. H., Foley, R. J., Ghirlanda, G., Goobar, A., Grindlay, J., Hajela, A., Holz, D. E., Karambelkar, V., Kool, E. C., Lamb, G. P., Laskar, T., Levan, A., Maguire, K., May, M., Melandri, A., Milisavljevic, D., Miller, A. A., Nicholl, M., Nissanke, S. M., Palmese, A., Piranomonte, S., Rest, A., Sagués-Carracedo, A., Siellez, K., Singer, L. P., Smith, M., Steeghs, D. & Tanvir, N., 2022, In: Astrophysical Journal, Supplement Series. 260, 1, 18.

Research output: Contribution to journal › Article › peer-review

A fast-rising tidal disruption event from a candidate intermediate-mass black hole

Angus, C. R., Baldassare, V. F., Mockler, B., Foley, R. J., Ramirez-Ruiz, E., Raimundo, S. I., French, K. D., Auchettl, K., Pfister, H., Gall, C., Hjorth, J., Drout, M. R., Alexander, K. D., Dimitriadis, G., Hung, T., Jones, D. O., Rest, A., Siebert, M. R., Taggart, K., Terreran, G., & 19 othersTinyanont, S., Carroll, C. M., DeMarchi, L., Earl, N., Gagliano, A., Izzo, L., Villar, V. A., Zenati, Y., Arendse, N., Cold, C., de Boer, T. J. L., Chambers, K. C., Coulter, D. A., Khetan, N., Lin, C. C., Magnier, E. A., Rojas-Bravo, C., Wainscoat, R. J. & Wojtak, R., Dec 2022, In: Nature Astronomy. 6, 12, p. 1452-1463 12 p.

Research output: Contribution to journal › Article › peer-review

Searching for Anomalies in the ZTF Catalog of Periodic Variable Stars

Chan, H. S., Villar, V. A., Cheung, S. H., Ho, S., O'Grady, A. J. G., Drout, M. R. & Renzo, M., Jun 1 2022, In: Astrophysical Journal. 932, 2, 118.

Research output: Contribution to journal › Article › peer-review

Extragalactic Millimeter Transients in the Era of Next-generation CMB Surveys

Eftekhari, T., Berger, E., Metzger, B. D., Laskar, T., Villar, V. A., Alexander, K. D., Holder, G. P., Vieira, J. D., Whitehorn, N. & Williams, P. K. G., Aug 1 2022, In: Astrophysical Journal. 935, 1, 16.

Research output: Contribution to journal › Article › peer-review

Evidence for X-Ray Emission in Excess to the Jet-afterglow Decay 3.5 yr after the Binary Neutron Star Merger GW 170817: A New Emission Component

Hajela, A., Margutti, R., Bright, J. S., Alexander, K. D., Metzger, B. D., Nedora, V., Kathirgamaraju, A., Margalit, B., Radice, D., Guidorzi, C., Berger, E., MacFadyen, A., Giannios, D., Chornock, R., Heywood, I., Sironi, L., Gottlieb, O., Coppejans, D., Laskar, T., Cendes, Y., & 17 othersDuran, R. B., Eftekhari, T., Fong, W., McDowell, A., Nicholl, M., Xie, X., Zrake, J., Bernuzzi, S., Broekgaarden, F. S., Kilpatrick, C. D., Terreran, G., Villar, V. A., Blanchard, P. K., Gomez, S., Hosseinzadeh, G., Matthews, D. J. & Rastinejad, J. C., Mar 1 2022, In: Astrophysical Journal Letters. 927, 1, L17.

Research output: Contribution to journal › Article › peer-review

Photometrically Classified Superluminous Supernovae from the Pan-STARRS1 Medium Deep Survey: A Case Study for Science with Machine-learning-based Classification

Hsu, B., Hosseinzadeh, G., Villar, V. A. & Berger, E., Sep 1 2022, In: Astrophysical Journal. 937, 1, 13.

Research output: Contribution to journal › Article › peer-review

The Circumstellar Environments of Double-peaked, Calcium-strong Transients 2021gno and 2021inl

Jacobson-Galán, W. V., Venkatraman, P., Margutti, R., Khatami, D., Terreran, G., Foley, R. J., Angulo, R., Angus, C. R., Auchettl, K., Blanchard, P. K., Bobrick, A., Bright, J. S., Brout, D., Chambers, K. C., Couch, C. D., Coulter, D. A., Clever, K., Davis, K. W., De Boer, T. J. L., Demarchi, L., & 27 othersDodd, S. A., Jones, D. O., Johnson, J., Kilpatrick, C. D., Khetan, N., Lai, Z., Langeroodi, D., Lin, C. C., Magnier, E. A., Milisavljevic, D., Perets, H. B., Pierel, J. D. R., Raymond, J., Rest, S., Rest, A., Ridden-Harper, R., Shen, K. J., Siebert, M. R., Smith, C., Taggart, K., Tinyanont, S., Valdes, F., Villar, V. A., Wang, Q., Yadavalli, S. K., Zenati, Y. & Zenteno, A., Jun 1 2022, In: Astrophysical Journal. 932, 1, 58.

Research output: Contribution to journal › Article › peer-review

“Super-kilonovae” from Massive Collapsars as Signatures of Black Hole Birth in the Pair-instability Mass Gap

Siegel, D. M., Agarwal, A., Barnes, J., Metzger, B. D., Renzo, M. & Villar, V. A., Dec 1 2022, In: Astrophysical Journal. 941, 1, 100.

Research output: Contribution to journal › Article › peer-review

A Late-time Galaxy-targeted Search for the Radio Counterpart of GW190814

Alexander, K. D., Schroeder, G., Paterson, K., Fong, W., Cowperthwaite, P., Gomez, S., Margalit, B., Margutti, R., Berger, E., Blanchard, P., Chornock, R., Eftekhari, T., Laskar, T., Metzger, B. D., Nicholl, M., Villar, V. A. & Williams, P. K. G., Dec 10 2021, In: Astrophysical Journal. 923, 1, 66.

Research output: Contribution to journal › Article › peer-review

SN2017jgh: A high-cadence complete shock cooling light curve of a SN IIb with the Kepler telescope

Armstrong, P., Tucker, B. E., Rest, A., Ridden-Harper, R., Zenati, Y., Piro, A. L., Hinton, S., Lidman, C., Margheim, S., Narayan, G., Shaya, E., Garnavich, P., Kasen, D., Villar, V., Zenteno, A., Arcavi, I., Drout, M., Foley, R. J., Wheeler, J., Anais, J., & 52 othersCampillay, A., Coulter, D., Dimitriadis, G., Jones, D., Kilpatrick, C. D., Muñoz-Elgueta, N., Rojas-Bravo, C., Vargas-González, J., Bulger, J., Chambers, K., Huber, M., Lowe, T., Magnier, E., Shappee, B. J., Smartt, S., Smith, K. W., Barclay, T., Barentsen, G., Dotson, J., Gully-Santiago, M., Hedges, C., Howell, S., Cody, A., Auchettl, K., Bódi, A., Bognár, Z., Brimacombe, J., Brown, P., Cseh, B., Galbany, L., Hiramatsu, D., Holoien, T. W. S., Howell, D. A., Jha, S. W., Könyves-Tóth, R., Kriskovics, L., McCully, C., Milne, P., Muñoz, J., Pan, Y., Pál, A., Sai, H., Sárneczky, K., Smith, N., Sódor, Szabó, R., Szakáts, R., Valenti, S., Vinkó, J., Wang, X., Zhang, K. & Zsidi, G., Nov 1 2021, In: Monthly Notices of the Royal Astronomical Society. 507, 3, p. 3125-3138 14 p.

Research output: Contribution to journal › Article › peer-review

Late-time radio and millimeter observations of superluminous supernovae and long gamma-ray bursts: Implications for central engines, fast radio bursts, and obscured star formation

Eftekhari, T., Margalit, B., Omand, C. M. B., Berger, E., Blanchard, P. K., Demorest, P., Metzger, B. D., Murase, K., Nicholl, M., Villar, V. A., Williams, P. K. G., Alexander, K. D., Chatterjee, S., Coppejans, D. L., Cordes, J. M., Gomez, S., Hosseinzadeh, G., Hsu, B., Kashiyama, K., Margutti, R., & 1 othersYin, Y., May 1 2021, In: Astrophysical Journal. 912, 1, 21.

Research output: Contribution to journal › Article › peer-review