ls research/

Interests

Johnson, O.A., Kozak, S., Ulrich, O., et al. (2025). A LOw Frequency pulsar, FRB, and Technosignature Survey (LOFTS). A&A in prep
Johnson, O.A., Keane, E.F., McKenna, D.J., et al. (2025). Radio Observations of a Candidate Redback Millisecond Pulsar: 1FGL J0523.5-2529. OAJ accepted [arXiv:2508.15435]
Johnson, O.A., Keane, E.F., Ashe, C.K., et al. (2025). Non-detection of Low-frequency Radio Emission from MTP0015 and MTP044. Research Notes of the AAS
Johnson, O.A., Saxena, A., Sivasankar, P., et al. (2024). Leveraging Machine Learning to Interpret and Analyze Mars Spectrometer Data. FDL Technical Reviews 2024
Johnson, O.A., Gajjar, V., Keane, E.F., et al. (2023). A Simultaneous Dual-site Technosignature Search Using International LOFAR Stations. AJ [arXiv:2310.15704] [link]

Susarla, S., Johnson, O.A., McKenna, D., et al. (2025). Long-term timing results of ecliptic pulsars observed with I-LOFAR. A&A [arXiv:2505.09549]
Susarla, S., Ferguson, R., Johnson, O.A., et al. (2025). RRAT-like behaviour of PSR B0656+14 observed with I-LOFAR. A&A [arXiv:2507.04518]
DeBoer, D., Ashe, C., Johnson, O.A., et al. (2025). Lunar Farside Technosignature & Transients Telescope (LFT3). White Paper
Shila, K.A., Niedbalski, S., Connor, L., Kulkarni, S.R., Johnson, O.A., et al. (2025). GReX: An Instrument Overview and New Upper Limits on the Galactic FRB Population. PASP [arXiv:2504.18680]
Keane, E.F., Graber, V., Levin, L., Tan, C.M., Johnson, O.A., et al. (2025). A Square Kilometre Array Pulsar Census. OAJ accepted
Manunza, L., Vendrame, A., Pizzuto, L., Mulas, M., Perez, K.I., Johnson, O.A., et al. (2025). The first high frequency technosignature search survey with the Sardinia Radio Telescope. Acta Astronautica [arXiv:2410.09288]

For the most complete, up-to-date list see NASA/ADS.

Jan 2024 Low Frequency’s Place in SETI — PSETI Symposium, Penn State invited
Dec 2023 Technosignatures with NenuFAR — Science at Low Frequencies IX, UvA
Nov 2023 SETI Science at 30–190 MHz — BLUK Workshop, SKAO invited
Nov 2023 Technosignature Science at Low Frequencies — NASA Goddard invited
2023 Dual Site SETI Searches — International Astronautical Congress, Baku