The Astrophysical Journal · 1967 · 155 citations · 0 references
Natural SciencesAstronomyObservational AstronomySurveyingX-ray AstronomyObservational TechniquesX-ray Data AnalysisX-ray DetectionX-ray DetectorsX-ray OpticsX-ray SpectroscopyCountersLarge-area X-ray DetectorsX-ray Background Source CountsX-ray Surveys
X-ray scanning of Cygnus region with large area proportional counters flown on attitude-controlled sounding rocket