Portrait of Robert David Stein

Robert David Stein

Post-Doctoral Associate

301 405 1507
rdstein@umd.edu 1113 Physical Sciences Complex

I grew up in London, UK and did my undergraduate studies there at Imperial College. I then did my PhD at DESY Zeuthen in Germany, supervised by Anna Franckowiak. My PhD focused on multi-messenger astronomy, and I searched for sources of neutrinos using the IceCube (a neutrino observatory) and ZTF (an optical survey). I also worked on the IceCube public alert system. I then spent three years as a postdoc at Caltech working with Mansi M. Kasliwal, and searched for EM counterparts to gravitational waves as well as neutrinos. In addition to ZTF, I worked on WINTER, a new near-infrared telescope for which I jointly built the pipeline. I also developed tdescore, a powerful ML-based algorithm to discover Tidal Disruption Events (TDEs) in ZTF survey data. Since Fall 2024, I've been a Neil Gehrels Prize Postdoctoral Fellow at JSI. I'm still working on MMA with ZTF and WINTER. I've also been focused on using tdescore to discover new TDEs in real-time with ZTF and LSST.

Research Centers & Collaborations: Joint Space-Science Institute

Latest Papers

tdescore

| Zenodo
Author(s): Robert Stein
UMD Author(s): Robert David Stein


WINTER on S250206dm: A near-infrared search for an electromagnetic counterpart

| arXiv
Author(s): Frostig, D., Karambelkar, V.R., Stein, R.D., et. al
UMD Author(s): Robert David Stein


A Massive Black Hole 0.8 kpc from the Host Nucleus Revealed by the Offset Tidal Disruption Event AT2024tvd

| arXiv
Author(s): Yao, Y., Chornock, R., Ward, C., et. al
UMD Author(s): Robert David Stein


Optical polarization of stellar-fed active and quiescent supermassive black holes

| arXiv
Author(s): Jordana-Mitjans, N., Franckowiak, A., Ramírez-Ruiz, E., et. al
UMD Author(s): Robert David Stein


A fast X-ray transient from a weak relativistic jet associated with a type Ic-BL supernova

| Nature Astronomy
Author(s): Sun, H., Li, W.-X., Liu, L.-D., et. al
UMD Author(s): Robert David Stein


The case of AT2022wtn: a Tidal Disruption Event in an interacting galaxy

| arXiv
Author(s): Onori, F., Nicholl, M., Ramsden, P., et. al
UMD Author(s): Robert David Stein


A luminous and hot infrared through X-ray transient at a 5 kpc offset from a dwarf galaxy

| arXiv
Author(s): Somalwar, J.J., Ravi, V., Margutti, R., et. al
UMD Author(s): Robert David Stein


The slow brightening of WNTR23bzdiq / WTP19aalzlk: Possible onset of common-envelope evolution in an asymptotic giant branch star?

| arXiv
Author(s): Karambelkar, V.R., Kasliwal, M.M., De, K., et. al
UMD Author(s): Robert David Stein


Cryoscope: A Cryogenic Infrared Survey Telescope in Antarctica

| arXiv
Author(s): Kasliwal, M.M., Earley, N., Smith, R., et. al
UMD Author(s): Robert David Stein


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