Vrtilek, Saeqa
Fellowship Advisor Smithsonian Astrophysical Observatory staffOptical tomography of X-ray binaries; physics of accretion disks and jets; multiwavelength studies of X-ray binaries and planetary nebulae; science education/public outreach; 3d modeling and classification of XRBs
Background And Education
Education And Training
- B.S., Massachusetts Institute of Technology
- M.A., Brandeis University
- M.Phil., Columbia University
- Ph.D., Columbia University
Research And Grants
Investigator On
Publications
Selected Publications
-
Article
- Dickey, John M., Vrtilek, S. D., McCollough, Michael, Boroson, Bram, Tomsick, John A., Bailyn, Charles, Blanchard, Jay M., and Johnson, Charlotte. 2023. "Spectral Energy Distributions of Southern Binary X-Ray Sources." The Astrophysical Journal Supplement Series, 268 35. https://doi.org/10.3847/1538-4365/ace4b9. 2023
- de Beurs, Zoe L., Islam, N., Gopalan, G., and Vrtilek, S. D. 2022. "A Comparative Study of Machine-learning Methods for X-Ray Binary Classification." The Astrophysical Journal, 933 116. https://doi.org/10.3847/1538-4357/ac6184. 2022
- Brumback, McKinley C., Hickox, Ryan C., Fürst, Felix S., Pottschmidt, Katja, Tomsick, John A., Wilms, Jörn, Staubert, Rüdiger, and Vrtilek, Saeqa. 2021. "A Broadband X-Ray View of the Precessing Accretion Disk and Pre-eclipse Dip in the Pulsar Her X-1 with NuSTAR and XMM-Newton." The Astrophysical Journal, 909 186. https://doi.org/10.3847/1538-4357/abe122. 2021
- Dickey, John M., Weston, J. H. S., Sokoloski, J. L., Vrtilek, Saeqa D., and McCollough, Michael. 2021. "Radio Spectral Index Analysis of Southern Hemisphere Symbiotic Stars." The Astrophysical Journal, 911 30. https://doi.org/10.3847/1538-4357/abe774. 2021
- Kim, Dong-Woo, Traynor, Liam, Paggi, Alessandro, O'Sullivan, Ewan, Anderson, Craig, Burke, Douglas, D'Abrusco, Raffaele, Fabbiano, Giuseppina, Fruscione, Antonella, Lauer, Jennifer, McCollough, Michael, Morgan, Douglas, Mossman, Amy, Vrtilek, Saeqa, and Trinchieri, Ginevra. 2020. "Temperature profiles of hot gas in early-type galaxies." Monthly Notices of the Royal Astronomical Society, 492 2095–2118. https://doi.org/10.1093/mnras/stz3530. 2020
- Kim, Dong-Woo, Anderson, Craig S., Burke, Douglas J., D'Abrusco, Raffaele, Fabbiano, Giuseppina, Fruscione, Antonella, Lauer, Jennifer, McCollough, Michael, Morgan, Douglas, Mossman, Amy, O'Sullivan, Ewan, Paggi, Alessandro, Vrtilek, Saeqa, and Trinchieri, Ginevra. 2019. "Chandra Early-type Galaxy Atlas." The Astrophysical Journal Supplement Series, 241 36. https://doi.org/10.3847/1538-4365/ab0ca4. 2019
- Kim, Dong-Woo, Anderson, Craig, Burke, Doug, Fabbiano, Giuseppina, Fruscione, Antonella, Lauer, Jen, McCollough, Michael, Morgan, Doug, Mossman, Amy, O'Sullivan, Ewan, Paggi, Alessandro, Vrtilek, Saeqa, and Trinchieri, Ginevra. 2018. "Disturbed Fossil Group Galaxy NGC 1132." The Astrophysical Journal, 853 129. https://doi.org/10.3847/1538-4357/aaa43a. 2018
- Brauer, Kaley, Vrtilek, Saeqa Dil, Peris, Charith, and McCollough, Michael. 2018. "Phase-resolved spectroscopy of the low-mass X-ray binary V801 Ara." Monthly Notices of the Royal Astronomical Society, 478 4894–4904. https://doi.org/10.1093/mnras/sty1429. 2018
- Paggi, Alessandro, Kim, Dong-Woo, Anderson, Craig, Burke, Doug, D'Abrusco, Raffaele, Fabbiano, Giuseppina, Fruscione, Antonella, Gokas, Tara, Lauer, Jen, McCollough, Michael, Morgan, Doug, Mossman, Amy, O'Sullivan, Ewan, Trinchieri, Ginevra, Vrtilek, Saeqa, Pellegrini, Silvia, Romanowsky, Aaron J., and Brodie, Jean. 2017. "Constraining the Physical State of the Hot Gas Halos in NGC 4649 and NGC 5846." The Astrophysical Journal, 844 5. https://doi.org/10.3847/1538-4357/aa7897. 2017
- Peris, Charith S., Remillard, Ronald A., Steiner, James F., Vrtilek, Saeqa D., Varnière, Peggy, Rodriguez, Jerome, and Pooley, Guy. 2016. "X-Ray Spectral Analysis of the Steady States of GRS1915 105." The Astrophysical Journal, 822 60. https://doi.org/10.3847/0004-637X/822/2/60. 2016
- Peris, Charith S., Vrtilek, Saeqa D., Steiner, James F., Vrtilek, Jan M., Wu, Jianfeng, McClintock, Jeffrey E., Longa-Peña, Penelope, Steeghs, Danny, Callanan, Paul, Ho, Luis C., Orosz, Jerome A., and Reynolds, Mark T. 2015. "Tomography of X-ray Nova Muscae 1991: evidence for ongoing mass transfer and stream-disc overflow." Monthly Notices of the Royal Astronomical Society, 449 1584–1592. https://doi.org/10.1093/mnras/stv407. 2015
- Boroson, Bram, Dil Vrtilek, Saeqa, and Raymond, John. 2014. "FUSE Observations of a Full Orbit of Scorpius X-1." The Astrophysical Journal, 793 59. https://doi.org/10.1088/0004-637X/793/1/59. 2014
- Vrtilek, Saeqa Dil and Boroson, Bram Seth. 2013. "Model independent means of categorizing X-ray binaries - I. Colour-colour-intensity diagrams." Monthly Notices of the Royal Astronomical Society, 428 3693–3714. https://doi.org/10.1093/mnras/sts312. 2013
- Connolly, S. D., Peris, C. S., and Vrtilek, S. D. 2013. "Variability of the Accretion Disk of V926 Sco Inferred from Tomographic Analysis." The Astrophysical Journal, 777 171. https://doi.org/10.1088/0004-637X/777/2/171. 2013
- Peris, C. S. and Vrtilek, S. D. 2012. "A tomographic study of V691 CrA (X1822-371)." Monthly Notices of the Royal Astronomical Society, 427 1043–1051. https://doi.org/10.1111/j.1365-2966.2012.22039.x. 2012
- Hung, Li-Wei, Hickox, Ryan C., Boroson, Bram S., and Vrtilek, Saeqa D. 2010. "Suzaku X-ray Spectra and Pulse Profile Variations During the Superorbital Cycle of LMC X-4." The Astrophysical Journal, 720 1202–1214. https://doi.org/10.1088/0004-637X/720/2/1202. 2010
- Neilsen, Joseph, Lee, Julia C., Nowak, Michael A., Dennerl, Konrad, and Vrtilek, Saeqa Dil. 2009. "Spectroscopic Signatures of the Superorbital Period in the Neutron Star Binary LMC X-4." The Astrophysical Journal, 696 182–191. https://doi.org/10.1088/0004-637X/696/1/182. 2009
- Neilsen, J., Steeghs, D., and Vrtilek, S. D. 2008. "The eccentric accretion disc of the black hole A0620-00." Monthly Notices of the Royal Astronomical Society, 384 849–862. 2008
- Vrtilek, S. D., Boroson, B. S., Hunacek, A., Gies, D., and Bolton, C. T. 2008. "Ultraviolet Observations of the X-Ray Photoionized Wind of Cygnus X-1 during X-Ray Soft/High State." The Astrophysical Journal, 678 1248–1262. https://doi.org/10.1086/586692. 2008
Contact
Location
- Smithsonian Astrophysical Observatory Academic Department