Kaustav Kashyap Das
PhD candidate, Astrophysics, Caltech
Hello! I am a fifth-year PhD candidate in the Astrophysics Department at Caltech, working with the Zwicky Transient Facility (ZTF) collaboration. My advisor is Professor Mansi Kasliwal.
I study core-collapse supernova explosions.
Research and Academic Interests
I primarily using data from wide-field sky surveys such as the Zwicky Transient Facility (ZTF). I currently lead the Complete Astronomical Transient Survey within 150 Mpc (CATS150)—the largest volume-limited survey of transients in the nearby universe.
My research focuses on core-collapse supernovae, with a particular interest in understanding the population of low-luminosity supernovae and what they reveal about massive stars and their evolution.
Research Publications
(First-author)
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KK Das, M. M. Kasliwal et al. (2025b). arXiv:2506.20068. Low-Luminosity Type IIP Supernovae from the Zwicky Transient Facility Census of the Local Universe. II: Lightcurve Analysis
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KK Das, M. M. Kasliwal et al. (2025a). PASP, 937, 14.
Low-Luminosity Type IIP Supernovae from the Zwicky Transient Facility Census of the Local Universe. I: Luminosity Function, Volumetric Rate
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KK Das, C. Fremling et al. (2024). ApJL, 969, 11.
SN 2023zaw: an ultra-stripped, nickel-poor supernova from a low-mass progenitor
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KK Das, M. M. Kasliwal et al. (2023). ApJ, 972, 91.
Probing pre-supernovae mass loss using a sample of double-peaked Type Ibc SNe from the Zwicky Transient Facility
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KK Das, M. M. Kasliwal et al. (2022). ApJ, 959, 12.
Probing the low-mass end of core-collapse supernovae using a sample of strongly-stripped Calcium-rich Type IIb Supernovae from the Zwicky Transient Facility
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KK Das, K. Sankharva, P. Jain (2021). Journal of Cosmology and Astroparticle Physics, 2021 (07), 035.Explaining excess dipole in NVSS data using superhorizon perturbation
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KK Das, C. Zucker et al. (2020). MNRAS, 498, 5863.
Constraining the distance to the North Polar Spur with Gaia DR2
ADS link