Sigma Puppis(? Puppis) este o stea in constelatia Puppis. A fost traditional denumita Hadir.
Sigma Puppis apartine clasei spectrale K si are o magnitudine aparenta de +3.3. Se afla la aproximativ 134 ani-lumina de Pamant.
Full story at http://www.astronomy.info.com.ro/2010/06/sigma-puppis/
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