श्रवण तारा vs अभिजित् तारा

Property श्रवण तारा अभिजित् तारा
पदनाम 53Alp Aql 3Alp Lyr
नक्षत्रमंडल Aquila Lyra
वर्णक्रम वर्ग Class A — A-type (White) Class A — A-type (White)
आभासी परिमाण +0.76 +0.03
निरपेक्ष परिमाण 2.21 0.60
दूरी 16.7 ly 25.0 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 A-type stars forming part of the Summer Triangle asterism along with Deneb.
  • ◆ Vega is at 25 light-years; Altair is even closer at 16.7 light-years.
  • ◆ Altair rotates extremely rapidly (once every 10.4 hours), making it noticeably oblate; Vega also rotates fast but less extremely.
  • ◆ Vega is about four times more luminous than Altair.
  • ◆ Vega has a prominent debris disk suggesting possible planetary formation; Altair's disk is less prominent.

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