Presented by Sara Beckwith help from

Doug Welch & David Benn

99th AAVSO Annual MeetingOctober 29, 2010

– An easy-to-use variable star data visualization and analysis tool that was developed as part of the Citizen Sky project.

– Open-source project hosted on SourceForge under GPL license.

– Amazing volunteer effort by David Benn (Lead Developer) with help from fellow “VStar Team” members.

– Requires Java 1.6– Download from AAVSO, Citizen

Sky, or SourceForge websites

– Load data from AID/file – Observations Plot/List– Means Plot/List– Zoom with mouse or buttons– Change visible series– Observations Detail

– Save Plot or Table– Print Plot or Table– Plot Information– Filter– Preferences– Help

– Phase Plot– Polynomial Fit– Period Search

– Observation Tool– General Tool– Custom Filter– Period Analysis– Observation Source

– 5-Star Analysis– VStar Plugin Documentation– http://sourceforge.net/projects/

vstar/– www.citizensky.org/teams/vstar-

software-development

– David Benn (Lead Programmer)– Nico Camargo (Icon Artist)