Skip to content
Vatican Observatory
  • About
    • Overview
    • Team
    • FAQ
  • Telescopes
    • Overview
    • Telescope Images
  • Latest
    • Overview
    • Resources
    • Press
    • Audio
    • Video
    • Research
    • Authors
      • FAQs
    • Newsletter
    • Tucson Meteor Cameras
  • Podcast
  • Education
    • Overview
    • Resource Center
    • Image Gallery
    • Summer School
    • Books
    • Software
    • Additional Resources
    • ACME
    • Ambassadors
  • Shop
  • Calendar
  • Support
    • Overview
    • Donate Now
    • Smart Ways to Give
    • Sacred Space Astronomy
      • View Content
    • Fr. Coyne Fundraiser
    • Bequests / Trusts
    • The Foundation
      • Newsletters
      • Annual Reports
  • Press
  • Specola Vaticana
  • Contact
    • Contact
  • About
    • Overview
    • Team
    • FAQ
  • Telescopes
    • Overview
    • Telescope Images
  • Latest
    • Overview
    • Resources
    • Press
    • Audio
    • Video
    • Research
    • Authors
      • FAQs
    • Newsletter
    • Tucson Meteor Cameras
  • Podcast
  • Education
    • Overview
    • Resource Center
    • Image Gallery
    • Summer School
    • Books
    • Software
    • Additional Resources
    • ACME
    • Ambassadors
  • Shop
  • Calendar
  • Support
    • Overview
    • Donate Now
    • Smart Ways to Give
    • Sacred Space Astronomy
      • View Content
    • Fr. Coyne Fundraiser
    • Bequests / Trusts
    • The Foundation
      • Newsletters
      • Annual Reports
  • Press
  • Specola Vaticana
  • Contact
    • Contact

Specola Guestbook | October 17, 1923: Julien Péridier

By Br. Robert Macke  |  3 Jan 2021

Share:
  • Share on Facebook
  • Share on Twitter
  • Share on LinkedIn
  • Share via Email

This entry is part 75 of 100 in the series Specola Guestbook

Since its founding in 1891, many people have passed through the doors of the Vatican Observatory.  A quick perusal of our guestbook reveals several Names, including Popes, Nobel laureates, astronauts, actors, and saints. Today’s guestbook entry is from October 17, 1923, when Julien Péridier made a visit.

Julien Péridier (1882-1967) [Source: U. Texas]

Next to his name, Julien Péridier F.R.A.S. (1882-1967) wrote, “Ingénieur E.C.P. 16 Rue Cassette, Paris [apt] K.”  (E.C.P. is probably “École Centrale Paris,” where Péridier studied.)

Péridier was an electrical engineer who worked primarily on public transportation systems in Paris. He was also an avid amateur astronomer.

In 1933, he would found an observatory at Le Houga. After his death, he willed the instruments from the observatory and his library to the McDonald Observatory (University of Texas).

In 1959 the Le Houga observatory was in a prime location to observe the occultation of the star Regulus by the planet Venus.  Using photoelectric photometry equipment, the team were able to produce a good light curve of the occultation which helped to provide insights to the nature of the Venusian atmosphere.

His own astronomical work involved variable stars, planetary physics, and stellar photometry.  He performed multicolor photometry on the Moon and various planets.

There is a crater on Mars that bears his name.

 

 

 

 

Share:
  • Share on Facebook
  • Share on Twitter
  • Share on LinkedIn
  • Share via Email

Sacred Space Astronomy

The Vatican Observatory’s official digital community and online magazine.

Become a Member

Recent Posts

Skyward by David Levy – March 2023

By David Levy  |  24 Mar 2023

Conjunction of the Moon and the Pleiades – March 25

By Robert Trembley  |  23 Mar 2023  |  Sacred Space Astronomy

The Northern Mountains

By Richard Hill  |  22 Mar 2023  |  Sacred Space Astronomy

Conjunction of the Moon and Venus – March 24

By Robert Trembley  |  22 Mar 2023  |  Sacred Space Astronomy

Archives

      • March
      • February
      • January
      • December
      • November
      • October
      • September
      • August
      • July
      • June
      • May
      • April
      • March
      • February
      • January
      • December
      • November
      • October
      • September
      • August
      • July
      • June
      • May
      • April
      • March
      • February
      • January
      • December
      • November
      • October
      • September
      • August
      • July
      • June
      • May
      • April
      • March
      • February
      • January
      • December
      • November
      • October
      • September
      • August
      • July
      • June
      • May
      • April
      • March
      • February
      • January
      • December
      • November
      • October
      • September
      • August
      • July
      • June
      • May
      • April
      • March
      • February
      • January
      • December
      • November
      • October
      • September
      • August
      • July
      • June
      • May
      • April
      • March
      • February
      • January
      • December
      • November
      • October
      • September
      • August
      • July
      • June
      • May
      • April
      • March
      • February
      • January
      • December
      • November
      • October
      • September
      • August
      • July
      • June
      • May
      • April
      • March
      • February
      • January
      • December
      • November
      • August
      • June
      • March
      • January
      • November
      • October
      • December
      • November
      • April
      • May
      • January
      • December
      • September
      • May
      • March
      • December
      • November
      • February

More Posts in this Series:
"Specola Guestbook"

78  |  What Do We Lose When We Sacrifice Science?

By Br. Guy Consolmagno  |  27 May 2021  |  Sacred Space Astronomy

69  |  To err is human… to admit it, is science

By Br. Guy Consolmagno  |  25 Mar 2021  |  Sacred Space Astronomy

74  |  Specola Guestbook | July 14, 1923: Fr. Ricardo Cirera, S.J.

By Br. Robert Macke  |  27 Dec 2020

76  |  Specola Guestbook | June 16, 1924: Knut Lundmark and Sten Asklöf

By Br. Robert Macke  |  10 Jan 2021

77  |  Specola Guestbook | October 14, 1924: Edward Phillips S.J.

By Br. Robert Macke  |  17 Jan 2021

Newsletter

Upcoming astronomical events, scientific breakthroughs, philosophical reflections… just a few reasons to subscribe to our newsletter!

Vatican Observatory
  • About
  • Telescopes
  • Latest
  • Podcast
  • Education
  • Shop
  • Calendar
  • Support
  • Press
  • Specola Vaticana
  • Contact
Privacy Policy  |   Cookie Policy  |   Disclosure Statement

Podcast:

  • Apple Podcasts Listen onApple Podcasts
  • Spotify Listen onSpotify
  • Google Podcasts Listen onGoogle Podcasts
  • Stitcher Listen onStitcher
  • Amazon Alexa Listen onAmazon Alexa
  • TuneIn Listen onTuneIn
Made by Longbeard