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Now displaying: September, 2017

The show notes here at Libsyn are only a rough draft. For the most refined and complete set of show notes, please go to unseenpodcast.com . Thanks for listening.

Sep 16, 2017

Recorded: 15 September 2017

Released: 16 September 2017

Duration: 81 minutes, 31 seconds

 

Host Paul Carr welcomes Adam Smith and Sam Lichtenstein to talk about Przybylski’s Star, or HD 101065, possibly the weirdest thing in astrophysics - even weirder than Boyajian's Star, maybe.

Links

Przybylski's Star in Simbad

Jason Wright's blog series on Przybylski's Star

Antoni Przybylski (1961) - HD 101065-a G0 Star with High Metal Content

Antoni Przybylski (1977) - Is iron present in the atmosphere of HD 101065 ?

D.W. Kurtz (1982) - Rapidly oscillating Ap stars

Martinez and Kurtz (1990) - New observations and a frequency analysis of the extremely peculiar rapidly oscillating Ap star HD 101065

Cowley, et. al. (2000) - Abundances in Przybylski's star

Gopka, et. al. (2007) - On the possible nature of Bp-Ap Stars: an application to HD101065 and HR465

Renson and Manfroid (2009) - Catalogue of Ap, HgMn and Am stars

Joshi, et. al. (2016) - The Nainital-Cape Survey. IV. A search for pulsational variability in 108 chemically peculiar stars

Chen et. al. (2017) -  A new photometric study of Ap and Am stars in the infrared.

Dzuba, et. al. (2017) - Isotope shift and search for metastable superheavy elements in astrophysical data

 

War is a Racket

RIP Jerry Pournelle

Episode 80 discussion thread

Recommendations

Paul - Alban Berg String Quartet - late Mozart quartets

Sam - Salvation

Adam - Witcher 3

Credits

Host and Producer: Paul Carr

Music: DJ Spooky

Sep 4, 2017

Recorded: 4 September 2017

Released: 4 September 2017

Duration: 70 minutes, 11 seconds

Host Paul Carr welcomes long-time panelist Nick Nielsen to talk about some of the latest news in radios astronomy - both the serious science and the lurid headlines. Radio Bursts (FRBs) have been know for some years now, but a the only known repeating FRB, 121102, has been acting up lately.

 

Links

FRB 121102: Detection at 4 - 8 GHz band with Breakthrough Listen backend at Green Bank

BREAKTHROUGH LISTEN DETECTS REPEATING FAST RADIO BURSTS FROM THE DISTANT UNIVERSE

Jason Siegel: Five Reasons Why The Signals From Stephen Hawking's Breakthrough Initiative Aren't Aliens

Astronomer Jason Hessels on the repeating FRB

Astronomers have found the source of a deep space radio wave burst for the first time: We finally know the galactic culprit

The Most Mysterious Star in the Galaxy

exoplanets.eu

 

Credits:

Host and Producer: Paul Carr

Music: DJ Spooky

 

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