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A Test of Substellar Evolutionary Models with High-precision Ages from Asteroseismology and Gyrochronology for the Benchmark System HR 7672AB

  • Authors: Yaguang Li, 亚光 李, Michael C. Liu, Trent J. Dupuy, Daniel Huber, Jingwen Zhang, 婧雯 张, Daniel Hey, R. R. Costa, Jens Reersted Larsen, J. M. Joel. Ong, 加冕 王, Sarbani Basu, Travis S. Metcalfe, Yixiao Zhou, 一啸 周, Jennifer van Saders, Timothy R. Bedding, Marc Hon, Hans Kjeldsen, Tiago L. Campante, Mário J. P. F. G. Monteiro, Mia Sloth Lundkvist, Mark Lykke Winther, Ashley Chontos, Nicholas Saunders, Theron W. Carmichael, Antonin Bouchez, Carlos Alvarez, Samuel A. U. Walker, Aldo G. Sepulveda, Howard Isaacson, Andrew W. Howard, Steven R. Gibson, Samuel Halverson, Kodi Rider, Arpita Roy, Ashley D. Baker, Jerry Edelstein, Chris Smith, Benjamin J. Fulton, Josh Walawender

Yaguang Li et al 2026 The Astrophysical Journal 1002 .

  • Provider: AAS Journals

Caption: Figure 2.

Replicated echelle diagrams showing structures of regular frequency spacings from KPF data. (a) Echelle diagrams of the original power spectrum. (b) Echelle diagram after deconvolving with the spectral window and then smoothing with a 1 μHz width Gaussian filter. (c) Collapsed echelle diagram by summing the power along the y-axis of panel (b). (d) Same as panel (b) but highlighting the oscillation modes. (e) Deconvolved power spectrum of the residual time series after subtracting oscillation modes.

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