Skip to main content


The membership database is currently undergoing upgrading/testing. Web functions that involve an interface with the member database (webobs, etc.) may experience intermittent problems. We hope to have this issue resolved within 24 hours (by 5pm Eastern Time on October 1st or 12:00 UT). Thank you for your patience.


The Superoutburst Period of KV Draconis

pdf    ps

Jeremy Shears

"Pemberton," School Lane, Bunbury, Tarporley, Cheshire CW6 9NR, England

Received April 27, 2009; revised June 5, 2009; accepted June 5, 2009

Analysis of observations of KV Dra between May 2000 and June 2009 has revealed nine superoutbursts. Assuming a linear ephemeris, the superoutburst period is 301 days, with a standard deviation of 28 days. Link to article on ADS

AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484