Forums / The Science / Data Analysis / Bonus variables near Epsilon Aurigae

Bonus variables near Epsilon Aurigae

Citizen Sky is now officially permanent part of the AAVSO. In the coming weeks we will be moving additional content to the AAVSO site and freezing this site as an archive of the 1st three years of the project. Please visit the new landing page for future updates.
thomask's picture
thomask
User offline. Last seen 41 weeks 5 days ago. Offline
Joined: 09/13/2009
Posts: 32
Teams: DSLR Documentation and Reduction
Posted: August 5, 2010 - 12:57pm

On the same images I have taken of epsilon Aurigae I have also found three weaker variables that I have analyzed. They are the cepheid RX Aur and the eclipsing variables SX Aur and TT Aur. SX and TT at magnitude 8-9 are little to faint for the dynamic range in the images, but the phase yet shows pretty well. I estimate that the error for these stars is +/- 0.10. RX is a bit brighter at magnitude 7 and for this star I got a nice graph and an error of about +/-0.05. The graphs and info in swedish is at: var.astronet.se/results2.html

Thomas Karlsson

Bikeman's picture
Bikeman
User offline. Last seen 49 weeks 3 hours ago. Offline
Joined: 07/21/2009
Posts: 289
Teams: DSLR Documentation and Reduction, Mira Fourier Coefficient Team, VStar Software Development
Posted: August 8, 2010 - 5:17am

Hi Thomas! Cool! I enclosed a finder chart which includes eta and zeta Aur, so it's quite easy to locate e.g. on your existing DSLR or CCD frames. CS Heinz

AttachmentSize
d24154.png 144.14 KB
thomask's picture
thomask
User offline. Last seen 41 weeks 5 days ago. Offline
Joined: 09/13/2009
Posts: 32
Teams: DSLR Documentation and Reduction
Posted: August 8, 2010 - 6:43am

And here is an extract from one of my images with star names inserted. This is as an example how my pictures look like.

AttachmentSize
epsaur_exempel.jpg 59.43 KB
Powered by Drupal