The Helix Nebula viewed in HCO⁺: Large-scale mapping of the J = 1 → 0 transition

Keyphrases

• Helix 100%
• Nebulae 100%
• HCO+ 100%
• Large-scale Mapping 100%
• Dense Gas 33%
• Velocity Components 16%
• Plume 16%
• Arizona 16%
• Kinematic Structure 16%
• Noise Level 16%
• Stellar Evolution 16%
• Gas Tracer 16%
• Spatial Resolution 16%
• White Dwarfs 16%
• Central Star 16%
• High Velocity 16%
• Chemical Model 16%
• Column Density 16%
• Line-of-sight 16%
• Velocity Resolution 16%
• Cm(III) 16%
• Planetary Nebulae 16%
• Blue Shift 16%
• Radio Observatories 16%
• Optical Image 16%
• Mapping Project 16%
• Polyatomic Molecules 16%
• Complex Kinematics 16%

Earth and Planetary Sciences

• Nebulae 100%
• Arizona 50%
• Spatial Resolution 50%
• Stellar Evolution 50%
• Line of Sight 50%
• Planetary Nebulae 50%
• Polyatomic Molecule 50%

Physics

• Nebula 100%
• White Dwarf 50%
• Line of Sight 50%
• Planetary Nebula 50%
• Stellar Remnants 50%
• Radio Observatories 50%
• Polyatomic Molecule 50%