Abstract
view Abstract Citations (19) References (23) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Luminosity Jumps in Pre--Main-Sequence Stars Stahler, Steven W. Abstract Thermal relaxation in young stars is discussed, showing how luminosity jumps occur in those of sufficient mass. The essential character of the thermal relaxation process is shown to be internal heat transfer accompanied by nonhomologous contraction. A simple model of this heat transfer is used, in conjunction with a series of stellar atmospheric calculations, to provide a crude determination of the luminosity jump in a five solar mass star. The observational relevance of this phenomenon is discussed. Publication: The Astrophysical Journal Pub Date: December 1989 DOI: 10.1086/168186 Bibcode: 1989ApJ...347..950S Keywords: Pre-Main Sequence Stars; Stellar Evolution; Stellar Luminosity; Stellar Models; Hertzsprung-Russell Diagram; Protostars; Stellar Interiors; Stellar Mass; Stellar Temperature; Astrophysics; STARS: EVOLUTION; STARS: INDIVIDUAL CONSTELLATION NAME: FU ORIONIS; STARS: INDIVIDUAL CONSTELLATION NAME: RHO OPHIUCHI; STARS: INTERIORS; STARS: PRE--MAIN-SEQUENCE full text sources ADS | data products SIMBAD (4)
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