The complex interstellar Na i absorption toward h and χ Persei

Keyphrases

• Line-of-sight 100%
• Perseus 80%
• Interstellar Medium 80%
• Absorption Spectra 40%
• Small-scale Variability 40%
• Absorption Feature 40%
• National Observatory 40%
• High-resolution 20%
• High Spatial Resolution 20%
• High Spectral Resolution 20%
• Binary Stars 20%
• High-resolution Data 20%
• Physical Condition 20%
• Open Clusters 20%
• Interstellar Gas 20%
• Hydra 20%
• Star-star 20%
• Moderate Resolution 20%
• Bright Stars 20%
• Spiral Arms 20%
• Proper Motions 20%
• Spectrograph 20%
• Multi-object Spectrograph 20%
• Single Axis 20%
• Velocity Components 20%
• Single-scale 20%
• Isolated Cloud 20%
• Small Cloud 20%

Physics

• Interstellar Matter 100%
• Observatory 50%
• High Resolution 50%
• Absorption Spectra 50%
• Spectrographs 50%
• Spiral Arms 25%
• Proper Motion 25%
• Binary Star 25%
• Open Cluster 25%
• Interstellar Gas 25%