Subdwarf
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://starfyi.com/iframe/glossary/subdwarf/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://starfyi.com/glossary/subdwarf/Add a dynamic SVG badge to your README or docs.
[](https://starfyi.com/glossary/subdwarf/)Use the native HTML custom element.
Subdwarfs are stars that lie below the main sequence on the HR diagram for their spectral type, meaning they are underluminous for their temperature. Hot subdwarfs (sdB, sdO) are evolved helium-burning stars that have lost their hydrogen envelopes; cool subdwarfs (sd M, sd K) are metal-poor main-sequence stars.
Category: Star Types & Classification