Spectroscopy and direct imaging of the planetary nebula IC 4593¹

Physics & Astronomy

• planetary nebulae 100%
• nebulae 93%
• halos 75%
• stars 56%
• ionized gases 47%
• spectroscopy 43%
• neon 43%
• sulfur 39%
• condensation 36%
• strings 35%
• helium 32%
• argon 32%
• nitrogen 30%
• carbon 27%
• oxygen 25%
• gases 21%
• excitation 20%
• temperature 12%

Earth & Environmental Sciences

• spectroscopy 69%
• neon 56%
• erg 56%
• objection 55%
• helium 44%
• argon 44%
• gas 42%
• condensation 38%
• sulfur 31%
• oxygen 26%
• nitrogen 24%
• carbon 23%
• loss 22%
• temperature 15%
• effect 9%