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This is the official page for research related to the most mysterious star in our Galaxy.

The star KIC 8462852 is also known as Tabby’s Star, or the WTF star for "Where’s the Flux?".  

News and Updates

December 04, 2018

Community training on data analysis available through Las Cumbres Education Program

We are new partners in the LCO education program! Our project will use reddit as a communal gathering place to teach the public how to build a light curve using astronomical images.  Follow the links below for details!      

April 10, 2018

Announcing: Evangeline!

"Evangeline" is now the name for the second dip in March 2018!! Click on the link below for details.

April 05, 2018

Announcing: Caral-Supe!

"Caral-Supe" is now the name for the first dip in March 2018!! Click on the link below for details.

January 03, 2018

New Paper: "The first post-Kepler brightness dips of KIC 8462852"

[Abridged abstract:] We present a photometric detection of the first brightness dips of the unique variable star KIC 8462852 since the end of the Kepler space mission in 2013 May. Our regular photometric surveillance started in October 2015, and a sequence of dipping began in 2017 May continuing on through the end of 2017, when the star was no longer visible from Earth. We distinguish four main 1–2.5% dips, named “Elsie,” “Celeste,” “Skara Brae,”  and “Angkor” , which persist on timescales from several days to weeks. Our main results so far are: (i) there are no apparent changes of the stellar spectrum or polarization during the dips; (ii) the multiband photometry of the dips shows differential reddening favoring non-grey extinction. Click on link below for press release and additional information. 

January 03, 2018

New Paper: "Non-grey dimming events of KIC 8462852 from GTC spectrophotometry"

[Abridged abstract:] We report ground-based spectrophotometry of KIC 8462852, during its first dimming events since the end of the Kepler mission. The dimmings show a clear colour-signature, and are deeper in visual blue wavelengths than in red ones.. Click on link below for press release and additional information. 

September 18, 2017

Announcing "Angkor"!

The September 2017 dip has been christened "Angkor". Read more about it in the WTF blog update 85/n.     

August 08, 2017

Announcing "Skara Brae"!

The August 2017 dip has been christened "Skara Brae". Read more about it in the WTF blog update 52/n.     

July 06, 2017

Announcing "Celeste"!

The June 2017 dip has been christened "Celeste". Read more about it in the WTF blog update 24/n.     

June 17, 2017

Another dip observed in June 2017

At the time of this post, the June 2017 dip continues. Read more about it in the WTF blog.     

June 03, 2017

Announcing "Elsie"!

The May 2017 dip has been christened "Elsie". Read more about it in the WTF blog update 6/n.     

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