रोहिणी तारा vs स्वाति तारा

Property रोहिणी तारा स्वाति तारा
पदनाम 87Alp Tau 16Alp Boo
नक्षत्रमंडल Taurus N/A
वर्णक्रम वर्ग Class K — K-type (Orange) Class K — K-type (Orange)
आभासी परिमाण +0.87 -0.05
निरपेक्ष परिमाण -0.68 -0.31
दूरी 66.6 ly 36.7 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 orange K-type giants that have evolved off the main sequence.
  • Arcturus is the brightest star in the northern celestial hemisphere at magnitude −0.05.
  • Aldebaran is larger at ~44 R☉ versus Arcturus at ~25 R☉.
  • Arcturus is much closer at 36.7 light-years; Aldebaran is about 65 light-years away.
  • Arcturus has an unusually high proper motion and may be a remnant of a disrupted dwarf galaxy.

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