Vibrational instability of a 3000 solar mass star and the R136a problem

Details Vibrational instability of a 3000 solar mass star and the R136a problem Vibrational instability of a 3000 solar mass star and the R136a problem

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...108...49l&link_type=abstract

Astronomy and Astrophysics, vol. 108, no. 1, Apr. 1982, p. 49, 50.

Astronomy and Astrophysics

Astrophysics

6

Magellanic Clouds, Stellar Evolution, Stellar Oscillations, Supermassive Stars, Iue, Radial Velocity, Stellar Mass

Scientific paper

Recent published IUE observations of the central object of the Tarantula Nebula in LMC seem to support the hypothesis of the existence of a supermassive star. Linear calculations of radial oscillations of a 3000 solar mass star show an amplification time of 145 yr, very short compared to the characteristic evolutionary time. The escape velocity of the outer layers is reached after 2200 yr.

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