[vsnet-alert 21040] ALERT: KIC 8462852 (Boyajian's/Tabby's Star)

[Patrick Schmeer pasc1312-aavso@yahoo.de via vsnet-alert]

Stella Kafka (AAVSO) writes:

"The mysterious  KIC 8462852 (Tabby's star) seems
to be entering one of its rare dip, and observations are
urgently needed to capture the event. The object is at
V~11.88 and, according to Dr Tabby Boyajian, it has
dropped by 2% (in r) so far. 

Coordinates (J2000):  RA 20 06 15.46 , Dec +44 27 24.8

More information can be found here:
https://www.aavso.org/aavso-alert-notice-542

We would like time-series photometry with V filter, but
all photometry is welcome."

https://www.aavso.org/tabbys-star-kic-8462852-dipping-urgent-observations-are-requested

------------------------------------------------

Wikipedia article:
https://en.wikipedia.org/wiki/KIC_8462852

The International Variable Star Index:
https://www.aavso.org/vsx/index.php?view=detail.top&oid=410131

"Tabby's star is dimming again, and astronomers are
excited":
https://arstechnica.com/science/2017/05/tabbys-star-is-dimming-again-and-astronomers-are-excited/

Tabetha S. Boyajian on Twitter:
https://twitter.com/tsboyajian

Recent observations (AAVSO):
https://www.aavso.org/apps/webobs/results/?star=KIC%208462852&num_results=200

Multi-colour photometry and high-resolution
spectroscopy are urgently required.

Clear skies,
Patrick