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Ancient Nova Shells of RX Pup Indicate Evolution of Mass Transfer Rate (2024)
Journal Article
Iłkiewicz, K., Mikołajewska, J., Shara, M. M., Faherty, J. K., & Scaringi, S. (2024). Ancient Nova Shells of RX Pup Indicate Evolution of Mass Transfer Rate. Astrophysical Journal Letters, 972(1), Article L14. https://doi.org/10.3847/2041-8213/ad6e5a

RX Pup is a symbiotic binary that experienced a nova outburst in the 1970s. Here we report a discovery of a ∼1300 yr old nova shell around the system and a possible detection of a ∼7000 yr old nova shell. Together with the nova shell ejected in the 1... Read More about Ancient Nova Shells of RX Pup Indicate Evolution of Mass Transfer Rate.

Burst-induced spin variations in the accreting magnetic white dwarf PBC J0801.2–4625 (2024)
Journal Article
Irving, Z. A., Altamirano, D., Scaringi, S., Veresvarska, M., Knigge, C., Castro Segura, N., …Iłkiewicz, K. (2024). Burst-induced spin variations in the accreting magnetic white dwarf PBC J0801.2–4625. Monthly Notices of the Royal Astronomical Society, 530(4), 3974-3985. https://doi.org/10.1093/mnras/stae1103

PBC J0801.2–4625 is an intermediate polar with a primary spin frequency of 66.08 d−1 and an unknown orbital period. The long-term All Sky Automated Survey for Supernovae (ASAS-SN) light curve of this system reveals four bursts, all of which have simi... Read More about Burst-induced spin variations in the accreting magnetic white dwarf PBC J0801.2–4625.

TESS Photometry of AM Her and AR UMa: Binary Parameters, Cyclotron Emission Modeling, and Mass Transfer Duty Cycles (2024)
Journal Article
Mason, P. A., Hakala, P., Wu, K., Barrett, P. E., Iłkiewicz, K., Littlefield, C., …Scaringi, S. (2024). TESS Photometry of AM Her and AR UMa: Binary Parameters, Cyclotron Emission Modeling, and Mass Transfer Duty Cycles. Astrophysical Journal, 965(1), Article 96. https://doi.org/10.3847/1538-4357/ad27d7

Transiting Exoplanet Survey Satellite (TESS) photometry of the polars AM Herculis (AM Her) and AR Ursae Majoris (AR UMa) is presented, along with high-speed photometry. AM Her shows a variety of high states with frequent transitions between them. TES... Read More about TESS Photometry of AM Her and AR UMa: Binary Parameters, Cyclotron Emission Modeling, and Mass Transfer Duty Cycles.

Evolution of spin in the intermediate polar CC sculptoris (2024)
Journal Article
Paice, J. A., Scaringi, S., Castro Segura, N., Sahu, A., Iłkiewicz, K., Coppejans, D. L., …Veresvarska, M. (2024). Evolution of spin in the intermediate polar CC sculptoris. Monthly Notices of the Royal Astronomical Society: Letters, 531(1), L82-L86. https://doi.org/10.1093/mnrasl/slae035

We report on spin variations in the intermediate polar and cataclysmic variable CC Scl, as seen by the Transiting Exoplanet Survey Satellite (TESS). By studying both the spin period and its harmonic, we find that the spin has varied since it was firs... Read More about Evolution of spin in the intermediate polar CC sculptoris.

The Peculiar Bursting Nature of CP Pup (2024)
Journal Article
Veresvarska, M., Scaringi, S., Hagen, S., De Martino, D., Done, C., Ilkiewicz, K., …Littlefield, C. (2024). The Peculiar Bursting Nature of CP Pup. Monthly Notices of the Royal Astronomical Society, 529(1), 664-672. https://doi.org/10.1093/mnras/stae573

The classical nova CP Puppis has been observed to have particularly puzzling and peculiar properties. In particular, this classical nova displays occasional bursts in its long-term ASAS-SN light curve. Here, we report on five sectors of TESS data dis... Read More about The Peculiar Bursting Nature of CP Pup.