Grey Bird Explorations

exploring music of the world, astrophysics, and all the fine things of life.

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  • It has been a while…

    I’m still in the Bay Area, day job and gamelan ensemble unchanged. More content coming soon (really!),

    pmmcgehee

    9 August 2025
    General
  • Welcome!

    Grey Bird Explorations is the restart of my online presence after a lengthy hiatus and period of transition. On these pages you will find a diverse and eclectic collection of posts and resources. I hope you find something that intrigues you as much as it does me!

    pmmcgehee

    24 June 2022
    General
  • Gamelan in Bali

    Since the spring of 2015 I have been studying and performing Balinese gamelan here in California. Until the end of 2019 I was active with the community ensemble Gamelan Merdu Kumala and also Gamelan Burat Wangi at California Institute for the Arts. In 2022 after my relocation to the Bay Area, I have resumed my…

    pmmcgehee

    24 June 2022
    Gamelan
  • Back after a long silence

    Since January of this year I’ve been living and working in the San Francisco Bay Area. While I am still significantly involved in the Vera C. Rubin Observatory science collaborations and handling the occasional on-line class, my new position is with the Linac Coherent Light Source at SLAC National Accelerator Laboratory. Here’s a short video…

    pmmcgehee

    19 May 2022
    Laser Coherent Light Source
  • Webinar: Mapping the Milky Way and Beyond

    After a lengthly hiatus I am back on line in the midst of the pandemic and related chaos. On Thursday, 8 October 2020, I presented an invited webinar concerning study of the Milky Way Galaxy structure and evolution at LIneA – Interinstitutional Laboratory of e-Astronomy, based in Rio de Janeiro, Brazil. This was live on…

    pmmcgehee

    17 October 2020
    Vera C. Rubin Observatory
  • The NSF Vera C. Rubin Observatory

    Under construction in the foothills of the Chilean Andes. Check out this new Promotional Video.

    pmmcgehee

    21 January 2020
    Vera C. Rubin Observatory
  • A Note at the End of Summer

    It is now a week into the start of my Fall term at College of the Canyons here in the Santa Clarita Valley. The main campus is just to the east of I-5 (“the 5” in LA speak) and a stone’s throw from the fictional “Wally World” amusement park. After the end of this year,…

    pmmcgehee

    17 August 2019
    Education and Public Outreach
  • Hawai’i

    It was 30 years ago when I first came to the summit of Maunakea. I had just moved to Hilo from Santa Fe, New Mexico having accepted an engineering position with the Caltech Submillimeter Observatory. In the intervening decades I came back and forth to that island, and that mountain, as an engineer and, later,…

    pmmcgehee

    23 July 2019
    Thirty Meter Telescope
  • Update on the Astrophysics Front

    As an observational astronomer I’ve been mostly focused on the topics of star formation and the interstellar medium within our own galaxy. Here’s a summary of what I’ve been up to recently. In May 2019 elected as co-chair for the LSST Stars, Milky Way, and Local Volume Science Collaboration. The overarching goals of the SMWLV…

    pmmcgehee

    23 June 2019
    Thirty Meter Telescope, Vera C. Rubin Observatory

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