Matches in SemOpenAlex for { <https://semopenalex.org/work/W2051612680> ?p ?o ?g. }
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- W2051612680 abstract "We derived the intermediate-mass (≃1.5–7 M⊙) disc fraction (IMDF) in the near-infrared JHK photometric bands as well as in the mid-infrared (MIR) bands for young clusters in the age range of 0 to ∼10 Myr. From the JHK IMDF, the lifetime of the innermost dust disc (∼0.3 au; hereafter the K disc) is estimated to be ∼3 Myr, suggesting a stellar mass (M*) dependence of K-disc lifetime (≃1.5-7 M⊙). However, from the MIR IMDF, the lifetime of the inner disc (∼5 au; hereafter the MIR disc) is estimated to be ∼6.5 Myr, suggesting a very weak stellar mass dependence (M*). The much shorter K-disc lifetime compared to the MIR-disc lifetime for intermediate-mass (IM) stars suggests that IM stars with transition discs, which have only MIR excess emission but no K-band excess emission, are more common than classical Herbig Ae/Be stars, which exhibit both. We suggest that this prominent early disappearance of the K disc for IM stars is due to dust settling/growth in the protoplanetary disc, and it could be one of the major reasons for the paucity of close-in planets around IM stars." @default.
- W2051612680 created "2016-06-24" @default.
- W2051612680 creator A5058763735 @default.
- W2051612680 creator A5074801588 @default.
- W2051612680 creator A5081663254 @default.
- W2051612680 creator A5087337770 @default.
- W2051612680 date "2014-06-24" @default.
- W2051612680 modified "2023-10-02" @default.
- W2051612680 title "Rapid evolution of the innermost dust disc of protoplanetary discs surrounding intermediate-mass stars" @default.
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