156 citations · 1.3k across the 30 of their papers we have counts for
8 papers · 1 filter
The Breakthrough Listen Search for Intelligent Life: A 3.95-8.00 GHz Search for Radio Technosignatures in the Restricted Earth Transit Zone
Sofia Z. Sheikh, Andrew Siemion, J. Emilio Enriquez +5
We report on a search for artificial narrowband signals of 20 stars within the restricted Earth Transit Zone as a part of the ten-year Breakthrough Listen (BL) search for extraterr…
The Vanishing & Appearing Sources during a Century of Observations project: I. USNO objects missing in modern sky surveys and follow-up observations of a "missing star"
Beatriz Villarroel, Johan Soodla, Sébastien Comerón +19
In this paper we report the current status of a new research program. The primary goal of the "Vanishing & Appearing Sources during a Century of Observations" (VASCO) project is to…
Breakthrough Listen Follow-up of the Random Transiter (EPIC 249706694/HD 139139) with the Green Bank Telescope
Bryan Brzycki, Andrew P. V. Siemion, Steve Croft +16
The star EPIC 249706694 (HD 139139) was found to exhibit 28 transit-like events over an 87 day period during the Kepler mission's K2 Campaign 15 (Rappaport et al. 2019). These even…
Breakthrough Listen Observations of 1I/'Oumuamua with the GBT
J. E. Enriquez, A. Siemion, T. J. W. Lazio +10
We have conducted a search for radio emission consistent with an artificial source targeting 1I/'Oumuamua with the Robert C. Byrd Green Bank Telescope (GBT) between 1.1 and 11.6 GH…
Multiple Asteroid Systems: Dimensions and Thermal Properties from Spitzer Space Telescope and Ground-Based Observations
F. Marchis, J. E. Enriquez, J. P. Emery +13
Photometric lightcurves were also obtained for 14 of them during the Spitzer observations to provide the context of the observations and reliable estimates of their absolute magnit…
Composition, Mineralogy, and Porosity of Multiple Asteroid Systems from Visible and Near-infrared Spectral Data
Sean S. Lindsay, Franck Marchis, Joshua P. Emery +2
We provide a taxonomic and compositional characterization of Multiple Asteroid Systems (MASs) located in the main belt (MB) using visible and near-infrared (0.45-2.5 um) spectral d…
Characteristics and Large Bulk Density of the C-type Main-Belt Triple Asteroid (93) Minerva
F. Marchis, F. Vachier, J. Ďurech +11
From a set of adaptive optics (AO) observations collected with the W.M. Keck telescope between August and September 2009, we derived the orbital parameters of the most recently dis…
The Origin of (90) Antiope From Component-Resolved Near-Infrared Spectroscopy
Franck Marchis, J. Emilio Enriquez, Joshua P. Emery +3
The origin of the similary-sized binary asteroid (90) Antiope remains an unsolved puzzle. To constrain the origin of this unique double system, we recorded individual spectra of th…