Blue straggler stars in old open clusters exhibit a Kraft break in rotation, with rapid rotators above the break and slow rotators below, indicating their envelopes behave like those of single stars.
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7 Pith papers cite this work. Polarity classification is still indexing.
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2026 7verdicts
UNVERDICTED 7roles
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Blue straggler stars in old open clusters predominantly appear near the terminal-age main sequence because mass transfer from asymptotic giant branch donors enriches their cores with helium.
Gaia-HELIX is a new catalogue of 28,394 bona-fide Hα emitters identified in Gaia DR3 XP spectra, after removing 95% of initial candidates that were M-type star mimics.
Oblique shocks in massive star clusters accelerate cosmic rays to multi-PeV energies, reproducing the LHAASO-observed knee as a sequence of rigidity-dependent cutoffs from combined supernova and wind shocks.
Three new hot Jupiters (periods 1.8-4 days, radii 1.22-1.58 RJup, masses 0.36-0.87 MJup) around evolved stars aged 4-9 Gyr, extending the sample for hot Jupiter evolutionary studies.
New spectroscopic measurements of RGB stars in nine open clusters confirm mass-dependent extra-mixing processes and indicate that initial 17O and 18O abundances may vary.
Student teams at an ESO school obtained spectroscopic and photometric data on binary stars and blue stragglers, confirming alignment due to tides, cluster membership via abundances, delta Scuti pulsation, and a binary central star in a planetary nebula.
citing papers explorer
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TOI-3664 b, TOI-4034 b & TOI-6564 b: Three new hot Jupiters around stars approaching the terminal age main sequence
Three new hot Jupiters (periods 1.8-4 days, radii 1.22-1.58 RJup, masses 0.36-0.87 MJup) around evolved stars aged 4-9 Gyr, extending the sample for hot Jupiter evolutionary studies.