Publications & Talks

Publications from the Lab

S.M. Raposa, S.P. Tan, W.M. Grundy, J.K. Steckloff, J. Hanley, S.C. Tegler, A.E. Engle, C.L. Thieberger, G.E. Lindberg (2024), Deriving the N2-CO Binary Phase Diagram Using Experimental Techniques and Thermodynamics. The Planetary Science Journal.5, 12, 275. [link]

A.E. Engle, J. Hanley, S.P. Tan, W.M. Grundy, S.C. Tegler, G.E. Lindberg, S.M. Raposa, J.K. Steckloff, C.L. Thieberger (2024), Ice Formation, Exsolution, and Multiphase Equilibria in the Methane–Ethane–Nitrogen System at Titan Surface Conditions. The Planetary Science Journal. 5, 10, 224. [link]

S.M. Raposa, A.E. Engle, W.M. Grundy, J. Hanley, S.P. Tan, O.M. Umurhan, J.K. Steckloff, C.L. Thieberger, S.C. Tegler (2024), Pressure Outbursts from Cooling Volatile Liquid Mixtures. Journal of Geophysical Research: Planets. 129, e2024JE008457. [link]

B.P. Blakley, W.M. Grundy, J.K. Steckloff, S.P. Tan, J. Hanley, A.E. Engle, S.C. Tegler, G.E. Lindberg, S.M. Raposa, K.J. Kogac, C. Thieberger (2023), The Equilibrium Vapor Pressures of Ammonia and Oxygen Ices at Outer Solar System Temperatures. Planetary & Space Science. 244, 105863. [link]

S.C. Tegler, W.M. Grundy, M.J. Loeffler, P.D. Tribbett, J. Hanley, A.V. Jasko, H. Dawson, K.J. Koga, A.O. Madden-Watson, M.D. Gomez, J.K. Steckloff, G.E. Lindberg, S.P. Tan, S.M. Raposa, A.E. Engle, C.L. Thieberger (2023), Optical Constants of Ices Important to Planetary Science from Laboratory Reflectance Spectroscopy. The Planetary Science Journal. 5, 2, 31. [link]

W.M. Grundy, S.C. Tegler, J.K. Steckloff, S.P. Tan, M.J. Loeffler, A.V. Jasko, K.J. Koga, S.M. Raposa, A.E. Engle, C.L. Thieberger, J. Hanley, G.E. Lindberg, M.D. Gomez, A.O. Madden-Watson (2023), Laboratory Measurement of Volatile Ice Vapor Pressures with a Quartz Crystal Microbalance.  Icarus, 115767. [link]

S.M. Raposa, S.P. Tan, W.M. Grundy, G.E. Lindberg, J. Hanley, J.K. Steckloff, S.C. Tegler, A.E. Engle, C.L. Thieberger (2022), Non-Isoplethic Measurement on the Solid-Liquid-Vapor Equilibrium of Binary Mixtures at Cryogenic Temperatures. Journal of Chemical Physics, 157, 064201. [link]

G.E. Lindberg, J.L. Baker, J. Hanley, W.M. Grundy, C. King (2021), Density, Enthalpy of Vaporization and Local Structure of Neat n-Alkane Liquids. Liquids, 1, 47-59. [link]

A.E. Engle, J. Hanley, S. Dustrud, G.E. Lindberg, W.M. Grundy, G. Thompson, S.C. Tegler (2021), Phase Diagram for the Methane-Ethane System and its Implications for Titan. The Planetary Science Journal, 2, 3, 118. [link]

J.K. Steckloff, J.M. Soderblom, K.K. Farnsworth, V.F. Chevrier, J. Hanley, A. Soto, J.J. Groven, W.M. Grundy, L.A. Pearce, S.C. Tegler, A. Engle (2020), Stratification Dynamics of Titan's Lakes via Methane Evaporation. The Planetary Science Journal, 1, 2, 26. [link]

S.C. Tegler, T.D. Stufflebeam, W.M. Grundy, J. Hanley, S. Dustrud, G.E. Lindberg, A. Engle, T.R. Dillingham, D. Matthew, D. Trilling, H. Roe, J. Llama, G. Mace, E. Quirico (2019), A New Two-molecule Combination Band as a Diagnostic of Carbon Monoxide Diluted in Nitrogen Ice on Triton. Astronomical Journal, 158, 17T. [link]

Cook, J.C., and 27 co-authors (2019),  The distribution of H2O, CH3OH, and hydrocarbon-ices on Pluto: Analysis of New Horizons spectral images.  Icarus 331, 148-169. [link]

Hanley, J. (2017), Titan: Bubbles in focus. Nature Astronomy, 1, 0122. [link]

Protopapa, S., W.M. Grundy, S.C. Tegler, and J.M. Bergonio (2015),  Absorption coefficients of the methane-nitrogen binary ice system: Implications for Pluto.  Icarus 253, 179-188. [link]

S.C. Tegler, W.M. Grundy, C.B. Olkin, L.A. Young, W. Romanishin, D.M. Cornelison, and R. Khodadadkouchaki (2012), Ice Mineralogy Across and Into the Surfaces of Pluto, Triton, and Eris. Astrophysical Journal, 751, 76T.  [link]

W.M. Grundy, S.J. Morrison, M.J. Bovyn, S.C. Tegler, D.M. Cornelison (2011), Remote Sensing D/H Ratios in Methane ice: Temperature-Dependent Absorption Coefficients of CH3D in Methane Ice and in Nitrogen Ice, Icarus, 212, 941G. [link]

S.C. Tegler, D.M. Cornelison, W.M. Grundy, W. Romanishin, M.R. Abernathy, M.J. Bovyn, J.A. Burt, D.E. Evans, C.K Maleszewski, Z. Thompson, and F. Vilas (2010), Methane and Nitrogen Abundances on Pluto and Eris. Astrophysical Journal, 725, 1296T. [link]

Recent Conference Proceedings

J. Hanley, C. Thieberger, P. Corlies, J. Llama, H. Roe (2025), The Variability of Clouds on Titan: Observations and the Upcoming Saturnian Equinox. LPSC LVI, Abstract #1766.

J. Hanley, C. Thieberger, P. Corlies, J. Llama, G. van Belle (2024), Constraining the Variability of Haze and Methane on Titan. 56th DPS Meeting.

C. Thieberger, J. Hanley, A. Engle, W. Barea-Carrión, S. Tan, J. Steckloff, G. Lindberg, W. Grundy, and S. Tegler (2024), Laboratory Studies of Hydrocarbon Mixtures Relevant to Titan’s Lakes and Seas.  56th DPS Meeting.

W. Barea-Carrión, C. Thieberger, J. Hanley, A. Engle, S. Tan, J. Steckloff, G. Lindberg, W. Grundy, S. Tegler (2024), The Effect of Propane on Two Liquid Systems in Titan’s lakes. 56th DPS Meeting.

J. Steckloff, J. Soderblom, W. Grundy, K. Lazorcak, H. Vogler, G. Lindberg, S. Tan (2024), The Air is Hot Lava! Titan's Atmosphere Makes Methane Ice Unstable. 56th DPS Meeting.

W.M. Grundy, S.M. Raposa, A.E. Engle, S. Tan, G.E. Lindberg, O.M. Umurhan, J. Hanley, C.L. Thieberger, J.K. Steckloff, K.J. Koga, and S.C. Tegler, and D.E. Trilling (2024), Pressure Outbursts from Cooling Volatile Liquid Mixtures. LPSC LV, Abstract #2092.

A.N. Morgan, R. Wochner, S.C. Tegler, W.M. Grundy, J. Hanley, K.J. Koga, J.K. Steckloff, G.E. Lindberg, S.P. Tan, S.M. Raposa, A.E. Engle, C.L. Thieberger, D.E. Trilling (2024), Spectral Analysis of CO2/CO Ice Mixtures. LPSC LV, Abstract #1741.

S. Raposa, A. Engle, S. Tan, W. Grundy, S. Tegler, G. Lindberg, J. Hanley, J. Steckloff, C. Thieberger (2024), Laboratory Studies of Pluto’s Volatiles. Laboratory Astrophysics Workshop (ICE 2024).

S. Raposa, W. Grundy, S. Tan, S. Tegler, G. Lindberg, J. Hanley, J. Steckloff, A. Engle, C. Thieberger (2024), Phase Diagram Mapping of the N2+CH4+CO System to Better Understand Pluto's Glaciers. 55th DPS Meeting.

B.P. Blakley, W. Grundy, S. Tegler, S. Tan, A. Morgan, A. Engle, C. Thieberger (2024), Study of Uranian Satellite Volatiles. 55th DPS Meeting.

W.M. Grundy, S.C. Tegler, J.K. Steckloff, S.P. Tan, M.J. Loeffler, A.V. Jasko, K.J. Koga, S.M. Raposa , A.E. Engle, C.L. Thieberger, J. Hanley, G.E. Lindberg, M.D. Gomez, A.O. Madden-Watson (2023), Laboratory Measurement of Vapor Pressures of N2, CO, and CH4 Ices.  ACM 2023.

J. Hanley, C.L. Thieberger, P. Corlies, J. Llama (2023), Constraining the Variability in Vertical Abundances of Haze and Methane on Titan. Titan Through Time VI.

A.E. Engle, J. Hanley, C.L. Thieberger, W.M. Grundy, S.C. Tegler , G.E. Lindberg , S.P. Tan , S.M. Raposa, J.K. Steckloff (2023), Exsolution and Other Phase Behaviors in the Methane–Ethane–Propane–Nitrogen System. Titan Through Time VI.

C. Thieberger, J. Hanley, A. Engle, S. Tan, W. Grundy, G. Lindberg, S. Raposa, J. Steckloff (2023), The Effects of Trace Species on Titan's Ternary System. Titan Through Time VI.

W.M. Grundy, S.C. Tegler, J.K. Steckloff, M.J. Loeffler, A.V. Jasko, K.J. Koga, S.M. Raposa, A.E. Engle, C.L. Thieberger, J. Hanley, G.E. Lindberg, S. Tan, M.D. Gomez (2023), Laboratory Measurement of Vapor Pressures of Volatile Ices. 54th LPSC, Abstract #2281.

J. Hanley, A.E. Engle, C. Thieberger, S. Tan, W.M. Grundy, G.E. Lindberg, S. Raposa, S.C. Tegler (2023), The Stability of Trace Species in the Liquids of Titan. 54th LPSC, Abstract #1849.

W.M. Grundy, S.C. Tegler , J.K. Steckloff , A.V. Jasko , K.J. Koga , M.J. Loeffler , S.M. Raposa , A.E. Engle , C.L. Thieberger , J. Hanley, G.E. Lindberg , S. Tan , M.D. Gomez, A.O. Madden-Watson (2023), Laboratory Measurement of Volatile Ice Vapor Pressures Using a Quartz Crystal Microbalance. 1st Workshop on Ices in the Solar System.

S.M. Raposa, W. M. Grundy, S. P. Tan , G. E. Lindberg , J. Hanley , J. K. Steckloff, S. C. Tegler , A. E. Engle, C. L. Thieberger (2023), Phase Behaviors of Pluto's Volatiles. 1st Workshop on Ices in the Solar System.

A.E. Engle, J. Hanley, C.L. Thieberger, W.M. Grundy, S.C. Tegler , G.E. Lindberg , S.P. Tan , S.M. Raposa, J.K. Steckloff (2023), Adding Propane to the Methane–Ethane–Nitrogen System at Titan-like Conditions. 1st Workshop on Ices in the Solar System.

J.K. Steckloff, G. Sarid , B.C. Johnson (2023), The Stochastic, Impact-Induced Crystallization of Primordial Amorphous Water Ice. 1st Workshop on Ices in the Solar System.

Outreach and Public Talks

J. Hanley and A.E. Engle, Pluto Pub Crawl Guest Astronomers, Lowell Observatory I Heart Pluto Festival, 2025.

S.M. Raposa and A.E. Engle, "Student-led study reveals extraterrestrial explosions may blow hot and cold," an NAU Review Article

C.L. Thieberger (2024), "Lightning Across the Solar System," Flagstaff Astronomy on Tap.

J. Hanley and C.L. Thieberger, NAU's Ice Lab Mixes Up Exotic Ices from Titan. Flagstaff KNAU Radio Interview, 2023.

A.E. Engle (2023), "Titan Underground: Karst Systems," Flagstaff Astronomy on Tap.

A.E. Engle (2023),  "Experimental Studies of Phase Behaviors in Hydrocarbon+Nitrogen Mixtures at Titan Surface-like Conditions," LPI Virtual
Seminar Series.

J. Hanley (2022),  "Ice Beyond Earth: Laboratory Investigations of Planetary Ices," International Space Science Institute (ISSI) Team Meeting.

J. Hanley and A. Bosh, Sol's Planets—We Talk To Two Lowell Planetary Scientists. Star Stuff: A Lowell Observatory Podcast, 2022.

A.E. Engle (2022), "Hydrocarbons in the Lakes of Titan," New Mexico State University Colloquium Series.

G.E. Lindberg (2021), "Searching for Life in the Rivers and Lakes of the Outer Solar System," Flagstaff Festival of Science.

A.E. Engle (2021), "Hydrocarbons in the Lakes of Titan," Phoenix Astronomical Society. 

J. Hanley (2020), "Great Conjunction Live Stream," Lowell Observatory.