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Star Formation Mitosis: The Effects of Particle Splitting on the Star Formation Outcome
Shivan Khullar, Michael Y. Grudić, Christopher D. Matzner +3
Particle splitting can increase the dynamic range in Lagrangian astrophysical simulations by several orders of magnitude. However, such methods can introduce numerical noise that m…
Non-ideal MHD and protostellar feedback effects on disc formation and evolution in numerical simulations of star cluster formation
Nina Filippova, Stella S. R. Offner, Michael Y. Grudic +1
While recent surveys have resolved hundreds of nearby protostellar discs, numerical simulations assuming ideal magnetohydrodynamics (MHD) have historically struggled to achieve dis…
The bound origin of low-mass stellar binaries
A. Generozov, S. S. R. Offner, K. M. Kratter +3
Most main sequence stars, unlike our Sun, belong to multiple systems with two or more stars. How and when these multiples come together and become bound is uncertain, since the ear…
Gauging the Impact of Cosmic Ray Feedback on the Stellar Initial Mass Function
Margot Fitz Axen, Stella S. R. Offner, Philip F. Hopkins +1
Cosmic rays (CRs) drive ionization and influence gas dynamics in molecular clouds (MCs), potentially impacting the resulting star formation outcomes. Although previous simulations…
The Evolution of Star-Forming Gas in STARFORGE: From Clouds, to Cores, to Stars
Ananya Kaalva, Stella S. R. Offner, Nina Filippova +1
Star formation occurs within dense regions of giant molecular clouds (GMCs), however, exactly how gas collects and evolves to form individual stars and what role dense cores play r…
Assessing Zeeman Measurements of Magnetic Fields in Synthetic HI Observations
Duo Xu, Peter Martin, Stella Offner +3
Zeeman observations provide the only direct probe of line-of-sight (LOS) magnetic fields in the interstellar medium. To evaluate their accuracy and limitations, we generate synthet…