outputFile.printf("\n" + "Epoch astrometry\n");
// Combined astrometry data: terminal output
for (GaiaRoot element : epochAstrometryArrayList){
// Parse object into Source
LpcCentroid epochAstrometryData = (LpcCentroid)element;
// Parse source data
long sourceId = epochAstrometryData.getSourceId();
int nTransits = epochAstrometryData.getNTransits();
double alpha0 = epochAstrometryData.getAlpha0();
double delta0 = epochAstrometryData.getDelta0();
FovTransitInfo[] transitInfo = epochAstrometryData.getTransits();
// Terminal output: basic data
System.out.printf("Source ID: %20d; N transits: %4d; alpha ref: %15.5e; delta ref: %15.5e\n",
sourceId, nTransits, alpha0, delta0);
outputFile.printf("Source ID: %20d; N transits: %4d; alpha ref: %15.5e; delta ref: %15.5e\n",