08:20  J4-1  CONCEPTS FOR A NEXT-GENERATION VLBA

Jonathan D. Romney*

Long Baseline Observatory, Socorro, NM

08:40  J4-2  THE NEXT GENERATION VERY LARGE ARRAY LONG BASELINE OPTION

Robert J. Selina, Steven Durand*

National Radio Astronomy Observatory, Socorro, NM

09:00  J4-3  VLBA SCIENCE HIGHLIGHTS

Greg B. Taylor*

Physics and Astronomy, University of New Mexico, Albuquerque, NM

09:20  J4-4  VERY LONG BASELINE INTERFEROMETRY (VLBI) IN THE AGE OF FERMI AND GAIA

Frank K. Schinzel*¹, Leonid Petrov²

¹National Radio Astronomy Observatory, Socorro, New Mexico
²Astrogeo Center, Falls Church, VA

09:40  J4-5  Polarization Evolution of Parsec-scale Jets in Active Galactic Nuclei

Matthew L. Lister*

Physics and Astronomy, Purdue University, West Lafayette IN

10:20  J4-6  MASER OBSERVATIONS WITH VLBI

Ylva Pihlstrom*

Physics and Astronomy, University of New Mexico, Albuquerque

10:40  J4-7  Gravitational Lenses as High-resolution Telescopes

Anna Barnacka*

Harvard, Cambridge, MA

11:00  J4-8  ASTROMETRY WITH VLBI

Robert T. Zavala*¹, Gregory B. Taylor²

¹US Naval Observatory Flagstaff Station, Flagstaff, AZ
²Department of Astronomy, University of New Mexico, Albuquerque, NM

11:20  J4-9  TOWARDS THE ICRF3: COMPARING USNO 2016A VLBI GLOBAL SOLUTION TO GAIA AND ICRF2

Megan C. Johnson*, Julien Frouard, Alan L. Fey, Bryan N. Dorland, Valeri Makarov

Astrometry Department, United States Naval Observatory, Washington, DC