23 posts · 16,778 views
A blog about science, religion, and the ridiculous interactions between them.
Jon Voisey
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- March 18, 2008
- 04:17 PM
- 880 views
Flare Research - Well damn...
by Jon Voisey in Angry Astronomer
In my attempt to determine whether or not close in planets can induce super flares on stellar type stars, one of the approaches I was taking was to attempt to determine whether or not close in planets could even perturb the stellar atmospheres. The reasoning behind this was that if they can't even do that much, then there's no real chance that they could do enough to cause these mega flares.In looking over the titles in the most recent Astrophysical Journal, one jumped out at me: The On/Off Nature Of Star-Planet Interactions.I figured that was worth a read. So what did ... Read more »
E Shkolnik, G Walker, & D Bohlender. (2003) Evidence for Planet‐induced Chromospheric Activity on HD 179949. The Astrophysical Journal, 597(2), 1092-1096. DOI: 10.1086/378583
- February 20, 2008
- 03:05 PM
- 1,004 views
Whyfore flares?
by Jon Voisey in Angry Astronomer
If you've been hanging around this blog for some time, you may remember that, shortly after I started this, I spent a summer in San Diego working on some research at SDSU with one of the professors here. The target of investigation was a cute little cluster named NGC 7142 and the program was a pretty straightforward photometric analysis (find the color-magnitude diagram, determine distance, age, identify variables...).That's been over and done with for awhile. But this semester I've begun some new work with Dr. Melott here at KU. Melott's primary interests lie in Astrobiology, name... Read more »
Bradley Schaefer, Jeremy R King, & Constantine P Deliyannis. (2000) Superflares on Ordinary Solar‐Type Stars. The Astrophysical Journal, 529(2), 1026-1030. DOI: 10.1086/308325
Eric Rubenstein, & Bradley E Schaefer. (2000) Are Superflares on Solar Analogues Caused by Extrasolar Planets?. The Astrophysical Journal, 529(2), 1031-1033. DOI: 10.1086/308326
- February 19, 2008
- 02:14 PM
- 948 views
Finding New Stuff with Big Sky Surveys
by Jon Voisey in Angry Astronomer
One of the coolest things about astronomy is that we live in a universe. A big universe. And that means that there's a lot of fun stuff to find out there. It's like a never ending easter egg hunt. Unfortunately, these eggs don't contain chocolate. But they do glow in the dark, so that's pretty cool.What's especially amazing sometimes, is that we are still trying to catalog our own galactic back yard. Phil Plait at Bad Astronomy addressed the reason for this (transcript), namely that things are pretty darn faint. So, even in our own galaxy, we can't really see terribly far. ... Read more »
S Koposov, J de Jong, V Belokurov, H‐W Rix, D Zucker, N Evans, G Gilmore, M Irwin, & E Bell. (2007) The Discovery of Two Extremely Low Luminosity Milky Way Globular Clusters. The Astrophysical Journal, 669(1), 337-342. DOI: 10.1086/521422
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