Voyager 1/UVS Lyman $\alpha$ measurements at the distant heliosphere (90-130AU): unknown source of additional emission

O. A. Katushkina, E. Quemerais, V. V. Izmodenov +2

In this work, we present for the first time the Lyman $\alpha$ intensities measured by Voyager 1/UVS in 2003-2014 (at 90-130 AU from the Sun). During this period Voyager 1 measured the…