af·ter·glow 
(ăftər-glō′)
(ăftər-glō′)n.
1. The atmospheric glow that remains for a short time after sunset.
2. The light emitted after removal of a source of energy, especially:
a. The glow of an incandescent metal as it cools.
b. The emission of light from a phosphor after removal of excitation.
3. The comfortable feeling following a pleasant experience.
4. A lingering impression of past glory or success.