What are variable stars and why are astronomers interested in them?
February 28, 2017
Predicted Dates of Maxima and Minima of 381 Long Period Variables for 2017
AAVSO Bulletin 80: Predicted Dates of Maxima and Minima of 381 Long Period Variables for 2017
Elizabeth O. Waagen, Senior Technical Assistant (Science Operations) AAVSO, 49 Bay State Road, Cambridge, MA 02138 USA
Letter to Users of 2017 Bulletin
February 2017
Dear Observers,
Previous Months JANUARY, FEBRUARY, MARCH, APRIL, MAY, JUNE, JULY
AUGUST 2017
CT Lacertae
CT Lacertae (CT Lac) is a SRB type Long Period Variable (LPV) that has @1200 observations Visual and CCD B, R, R and Ic bands in the AAVSO International Database (AID).
Why Observe LPV's?
AAVSO Bulletin 79 - Predicted Dates of Maxima and Minima for 381 Long Period Variables for 2016 is published and available on the AAVSO website. This publication covers the interval 1 January 2016 through 28 February 2017. All Bulletin-related materials may be found via the main Bulletin page.
