Bintang deret utama tipe-O

Ilustrasi bintang deret utama tipe-O

Bintang deret utama tipe-O (O V) adalah sejenis bintang deret utama (intinya membakar hidrogen) dengan tipe spektral O dan kelas luminositas V. Bintang-bintang ini massanya sekitar 15 sampai 90 kali lebih besar daripada matahari, dan dapat memiliki suhu permukaan sekitra 30.000 sampai 50.000 K. Mereka 40.000 sampai 1 juta kali lebih terang daripada matahari.

Spektrum bintang O5V

Standar "jangkar" (acuan) yang mendefinisikan clasifikasi MK jenis bintang ini adalah are S Monocerotis (O7 V) dan 10 Lacertae (O9 V).[1]

Referensi

  1. ^ Garrison, R. F. (1994-01-01). "A Hierarchy of Standards for the MK Process". 60: 3. 

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