12.05.10- White Dwarf Lite?

 
 
   The Kepler space telescope may have bagged an unexpected prize during its hunt for exo-planets. Along with five published exoplanets illustrated above, Kepler snared two potentially bizarre objects. Dubbed KOI (Kepler Objects of Interest) -81 and 74, these companions actually appear dimmer passing behind the parent star rather than in front of it. This suggests a [...]

Astro-Event of the Week: Can You Spy Sirius B?

The elongated orbit of Sirius B.
   This week’s challenge is a tough one, and may deserve a re-visit or two over the coming decade  to yield success. Everyone knows that Sirius is this brightest star in the sky, but did you know that it has a tiny, elusive white dwarf companion? Tough to locate, this [...]

Astro-Challenge:Spy a White Dwarf!

This week, I’m going to introduce you to a unique but fascinating multiple star system, and one that’s definitely worth seeking out as it’s a good study in comparative stellar evolution; Omicron Eridani. This one will require a telescope of about 4′ aperture or greater, a go-to scope or a good finder chart, and patience. [...]