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The Missing Satellite Problem Outside of the Local Group. I. Pilot Observation (2018)
Journal Article
Tanaka, M., Chiba, M., Hayashi, K., Komiyama, Y., Okamoto, T., Cooper, A. P., Okamoto, S., & Spitler, L. (2018). The Missing Satellite Problem Outside of the Local Group. I. Pilot Observation. Astrophysical Journal, 865(2), Article 125. https://doi.org/10.3847/1538-4357/aad9fe

We present results from a pilot observation of nearby (~20 Mpc) galaxies with masses similar to that of the Milky Way (MW) to address the missing satellite problem. This is the first paper from an ongoing project to address the problem with a statist... Read More about The Missing Satellite Problem Outside of the Local Group. I. Pilot Observation.

Systematic search for tidal features around nearby galaxies (2018)
Journal Article
Morales, G., Martínez-Delgado, D., Grebel, E. K., Cooper, A. P., Javanmardi, B., & Miskolczi, A. (2018). Systematic search for tidal features around nearby galaxies. Astronomy & Astrophysics, 614, Article A143. https://doi.org/10.1051/0004-6361/201732271

Context. In hierarchical models of galaxy formation, stellar tidal streams are expected around most, if not all, galaxies. Although these features may provide useful diagnostics of the Λ CDM model, their observational properties remain poorly constra... Read More about Systematic search for tidal features around nearby galaxies.

xGASS: total cold gas scaling relations and molecular-to-atomic gas ratios of galaxies in the local Universe (2018)
Journal Article
Catinella, B., Saintonge, A., Janowiecki, S., Cortese, L., Davé, R., Lemonias, J. J., …Wang, J. (2018). xGASS: total cold gas scaling relations and molecular-to-atomic gas ratios of galaxies in the local Universe. Monthly Notices of the Royal Astronomical Society, 476(1), 875-895. https://doi.org/10.1093/mnras/sty089

We present the extended GALEX Arecibo SDSS Survey (xGASS), a gas fraction-limited census of the atomic hydrogen (H I) gas content of 1179 galaxies selected only by stellar mass (M⋆ = 109–1011.5 M⊙) and redshift (0.01 < z < 0.05). This includes new Ar... Read More about xGASS: total cold gas scaling relations and molecular-to-atomic gas ratios of galaxies in the local Universe.