Journals Digest RSS

E. Plachy et al 2021 ApJS 253 11

Analysis of 25 Cepheid stars observed by the TESS space mission in Sectors 1–5 demonstrate the potential and the limitations of TESS in observing various subtypes of Cepheid variables.

Katherine M. Xiang et al 2021 ApJ 909 125

Five new candidates have been identified for barred spiral galaxies whose bars are currently buckling. These candidates, found using a kinematic signature, more than double the number of candidate buckling bars.

Edwin S. Kite and Laura Schaefer 2021 ApJL 909 L22

A new model predicts that most rocky planets that have orbital periods of 10–100 days and that have radii within 0.1–0.2 Earth radii of the lower edge of the radius valley can still retain water-dominated atmospheres.

Matteo Messa et al 2021 ApJ 909 121

Observations of a sample of 100 extincted star clusters suggest that typical timescales for clearing the natal gas cloud are in between 3 and 5 Myr, roughly 1 Myr older than found in previous studies.

Brian P. Powell et al 2021 AJ 161 162

Analysis of TESS data has revealed TIC 168789840, the first known sextuple system consisting of three eclipsing binaries; they lie in a hierarchical structure of an inner quadruple system with an outer binary subsystem.

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