Alert Notice 648: Semiregular variable reclassified as symbiotic: outburst of ASASSN-V J195442.95+172212.6 = Vend47 (Sge)
Note: Please continue coverage of ASASSN-V J195442.95+172212.6 (TCP J19544251+1722281 = Vend47) until further notice. - Elizabeth O. Waagen, 13 April 2020
August 14, 2018
Note: This campaign has been extended to October 2020 and the list of targets has been revised. Please see AAVSO Alert Notice 687 for details. - Elizabeth O. Waagen, December 4, 2019
July 31, 2018: Michael Stroh (Ph.D. candidate, University of New Mexico) requests AAVSO assistance in monitoring 19 LPVs in support of a VLA campaign studying SiO masers. AAVSO monitoring begins now and goes through October 2019.
In AAVSO Bulletin 81 there are two stars that exhibit double maxima: R Cen and R Nor. These stars therefore have primary and secondary maxima and minima. They are not included in the main Bulletin table.
AAVSO Bulletin 81 - Predicted Dates of Maxima and Minima of Long Period Variables for 2018 - is published in the format that was introduced in 2011.
AAVSO Bulletin 81: Predicted Dates of Maxima and Minima of
381 Long Period Variables for 2018
Letter to Users of 2018 Bulletin
Predicted Dates of Maxima and Minima of 381 Long Period Variables for 2018