अगस्ति तारा vs राजन्य तारा

Property अगस्ति तारा राजन्य तारा
पदनाम Alp Car 19Bet Ori
नक्षत्रमंडल N/A Orion
वर्णक्रम वर्ग Class F — F-type (Yellow-White) Class B — B-type (Blue-White)
आभासी परिमाण -0.62 +0.18
निरपेक्ष परिमाण -5.50 -6.93
दूरी 309 ly 863 ly
द्रव्यमान N/A N/A
त्रिज्या N/A N/A
तापमान N/A N/A
दीप्तिमानता N/A N/A

Key Differences

  • Canopus is an F-type bright giant; Rigel is a B-type blue supergiant — they differ greatly in spectral type.
  • Both are extremely luminous: Canopus ~10,700 L☉ and Rigel ~120,000 L☉.
  • Canopus is used for spacecraft navigation; Rigel is a landmark star in Orion.
  • Rigel is hotter at ~12,100 K versus Canopus at ~7,400 K.
  • Canopus is the second-brightest star in the sky; Rigel is the seventh-brightest.

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