Searching for new young stars in the northern hemisphere: The Pisces Moving Group

Binks, A.S.; Jeffries, Robin; Ward, J.L.

Abstract

Using the kinematically unbiased technique described in Binks, Jeffries & Maxted (2015), we present optical spectra for a further 122 rapidly-rotating (rotation periods <6 days), X-ray active FGK stars, selected from the SuperWASP survey. We identify 17 new examples of young, probably single stars with ages of <200 Myr and provide additional evidence for a new northern hemisphere kinematic association: the Pisces Moving Group (MG). The group consists of 14 lithium-rich G- and K-type stars, that have a dispersion of only ~3 km s-1 in each Galactic space velocity coordinate. The group members are approximately co-eval in the colour-magnitude diagram, with an age of 30–50 Myr, and have similar, though not identical, kinematics to the Octans-Near MG. stars: low-mass, stars: pre-main-sequence

Citation

Binks, A., Jeffries, R., & Ward, J. (2018). Searching for new young stars in the northern hemisphere: The Pisces Moving Group. Monthly Notices of the Royal Astronomical Society, 473(2), 2465-2485. https://doi.org/10.1093/mnras/stx2252

• Journal Article Type: Article
• Acceptance Date: Aug 30, 2017
• Online Publication Date: Sep 9, 2017
• Publication Date: Jan 1, 2018
• Publicly Available Date: May 26, 2023
• Journal: Monthly Notices of the Royal Astronomical Society
• Print ISSN: 0035-8711
• Publisher: Oxford University Press
• Peer Reviewed: Peer Reviewed
• Volume: 473
• Issue: 2
• Pages: 2465-2485
• DOI: https://doi.org/10.1093/mnras/stx2252
• Keywords: stars, low-mass, pre-main-sequence
• Publisher URL: http://doi.org/10.1093/mnras/stx2252