Asteroseismology of the Nearby K Dwarf σ Draconis Using the Keck Planet Finder and TESS

Autor: Marc Hon, Daniel Huber, Yaguang Li, Travis S. Metcalfe, Timothy R. Bedding, Joel Ong, Ashley Chontos, Ryan Rubenzahl, Samuel Halverson, Rafael A. García, Hans Kjeldsen, Dennis Stello, Daniel R. Hey, Tiago Campante, Andrew W. Howard, Steven R. Gibson, Kodi Rider, Arpita Roy, Ashley D. Baker, Jerry Edelstein, Chris Smith, Benjamin J. Fulton, Josh Walawender, Max Brodheim, Matt Brown, Dwight Chan, Fei Dai, William Deich, Colby Gottschalk, Jason Grillo, Dave Hale, Grant M. Hill, Bradford Holden, Aaron Householder, Howard Isaacson, Yuzo Ishikawa, Sharon R. Jelinsky, Marc Kassis, Stephen Kaye, Russ Laher, Kyle Lanclos, Chien-Hsiu Lee, Scott Lilley, Ben McCarney, Timothy N. Miller, Joel Payne, Erik A. Petigura, Claire Poppett, Michael Raffanti, Constance Rockosi, Dale Sanford, Christian Schwab, Abby P. Shaum, Martin M. Sirk, Roger Smith, Jim Thorne, John Valliant, Adam Vandenberg, Shin Ywan Wang, Edward Wishnow, Truman Wold, Sherry Yeh, Ashley Baker, Sarbani Basu, Megan Bedell, Heather M. Cegla, Ian Crossfield, Courtney Dressing, Xavier Dumusque, Heather Knutson, Dimitri Mawet, John O’Meara, Guđmundur Stefánsson, Johanna Teske, Gautam Vasisht, Sharon Xuesong Wang, Lauren M. Weiss, Joshua N. Winn, Jason T. Wright

Publikováno v: The Astrophysical Journal, Vol 975, Iss 1, p 147 (2024)

Asteroseismology of dwarf stars cooler than the Sun is very challenging owing to the low amplitudes and rapid timescales of oscillations. Here we present the asteroseismic detection of solar-like oscillations at 4-minute timescales ( ${\nu }_{\max }\

Externí odkaz: https://doaj.org/article/0036e169dbce4f8e89dc43015f8a3fcb

Keck Planet Finder: design updates

Autor: Tim Miller, Jim Thorne, Stephen Kaye, Yuzo Ishikawa, Truman Wold, Kodi A. Rider, Kyle Lanclos, Dale Sandford, Dave Rumph, Jacob Pember, Scott Lilley, Charles Beichman, Ean James, William T. S. Deich, Andreas Seifahrt, Tod Von Boeckmann, Anna Wolfenberger, Constance M. Rockosi, Jerry Edelstein, Arpita Roy, Adam Vandenberg, Christopher L. Smith, Edward H. Wishnow, Cindy Wang, Y. V. Gurevich, Maureen Savage, Thomas Brown, Samuel Halverson, Mavourneen Wilcox, Mike Raffanti, Benjamin J. Fulton, Steve Allen, Tobias Feger, Sharon Jelinsky, Abby Shaum, Qifan Wang, Julian Stuermer, Luke Gers, Jason Grillo, Steve Milner, David W. Coutts, Andrew W. Howard, Peter Wizinowich, Ryan A. Rubenzahl, Ben McCarney, Jason C. Y. Chin, Christian Schwab, Martin Sirk, Marie Weisfeiler, Steven R. Gibson, David Cowley, Timothy J. O'Hanlon, Kelleen Casey, M. Kassis, Ashley Baker, Roger Smith, Bruce Berriman, Adela Li

Publikováno v: Ground-based and Airborne Instrumentation for Astronomy VIII.

The Keck Planet Finder (KPF) is a fiber-fed, high-resolution, high-stability spectrometer in development at the UC Berkeley Space Sciences Laboratory for the W.M. Keck Observatory. KPF is designed to characterize exoplanets via Doppler spectroscopy w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6524c111618c2ef726505cfd38619bcf
https://doi.org/10.1117/12.2561783

Development of a vacuum-compatible manipulator to calibrate wide field UV imagers for CubeSats

Autor: Kodi A. Rider, Thomas J. Immel, Eltahry Elghandour, Jason Grillo

Publikováno v: Optical System Alignment, Tolerancing, and Verification XIII.

A vacuum-compatible manipulator was developed to calibrate the Miniaturized UltraViolet Imaging instrument (MUVI). The pointing resolution of the manipulator was evaluated, along with its ability to neutralize known optical misalignments. Field of Vi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5f15586cf36d665c37e026877c103c59
https://doi.org/10.1117/12.2568126