मघा तारा vs चित्रा तारा

Property मघा तारा चित्रा तारा
पदनाम 32Alp Leo 67Alp Vir
नक्षत्रमंडल Leo Virgo
वर्णक्रम वर्ग Class B — B-type (Blue-White) Class B — B-type (Blue-White)
आभासी परिमाण +1.36 +0.98
निरपेक्ष परिमाण -0.57 -3.44
दूरी 79.3 ly 250 ly
द्रव्यमान N/A N/A
त्रिज्या N/A N/A
तापमान N/A N/A
दीप्तिमानता N/A N/A

Key Differences

  • ◆ Both are hot B-type stars lying close to or on the ecliptic, frequently occulted by the Moon.
  • ◆ Spica is a spectroscopic binary with tidal distortion; Regulus is a fast-spinning quadruple system.
  • ◆ Spica is about 250 light-years away; Regulus is closer at about 79 light-years.
  • ◆ Spica's temperature (~25,300 K) is roughly twice that of Regulus (~12,460 K).
  • ◆ Hipparchus used Spica observations to discover the precession of the equinoxes around 130 BCE.

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