Breaking Correlation in the Inflow Parameters of Interstellar Neutral Gas in Direct-sampling Observations

Abstract We analyze the reasons for correlation between temperature, direction, and speed of interstellar neutral gas inflow into heliosphere, obtained in analyses observations performed by an onboard Interstellar Boundary Explorer (IBEX) instrument, IBEX-Lo. point out that this is combined result inability to measure atoms enter instrument restriction a short orbital arc around Sun during observation. demonstrate without capability speed, but with ability perform along longer arcs, or from at least two distant locations on orbit Sun, it possible break parameter correlation. This, however, requires adjusting boresight relative spacecraft rotation axis, such as planned camera board Mapping Acceleration Probe (IMAP), IMAP-Lo.