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Dr. Katherine Volk

๐Ÿ‘ค Speaker
530 total appearances

Appearances Over Time

Podcast Appearances

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

So known objects, we are always on the lookout

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

for when we know an object is going to go in front of a star, because then we can actually directly measure its size by timing how long it blocks out the star.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

There are also some surveys, which I should have mentioned, trying to count the number of tiny, like one kilometer Kuiper Belt objects.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

Now, we will never directly observe a one kilometer Kuiper belt object.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

They're too faint for reflected light to be a reasonable detection mechanism.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

But what you can do is you can stare at a patch of stars and hope that one happens to occult a star.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

And you can count how often that happens.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

You don't learn anything about the object other than its distance and its size.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

You'll never know its orbit.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

But you can still figure out that it's part of the Kuiper belt.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

There have been no...

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

100% accepted occultations of tiny hyperveiled objects.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

There's been a couple reported ones that are highly questioned.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

Again, that would be a source of heated debate in the community.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

There's a Taos survey going on.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

They're building telescopes in Hawaii right now.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

They did a preliminary survey, stared at stars for a very long time, didn't see any occultations.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

They placed some upper limits on how many one-kilometer objects there are.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

But they're going to be up and running in a year or two, I think.

2017 LPL Evening Lectures
Are There Unseen Planets Lurking in the Kuiper Belt? by Kathryn Volk - November 1, 2017

And within five years or something, they should actually observe an event.