Skip to main content

semiregular

Alert Notice 648: Semiregular variable reclassified as symbiotic: outburst of ASASSN-V J195442.95+172212.6 = Vend47 (Sge)

August 14, 2018

Event: ASASSN-V J195442.95+172212.6 (TCP J19544251+1722281 = Vend47), originally classified as a semiregular variable, has been reclassified as a symbiotic variable as a result of its being discovered in outburst by Robert Fidrich during the course of his "Vendégcsillag-kereső" (Guest Star Hunter) nova patrol program. Subsequent spectroscopy confirmed the nature of the object as a symbiotic variable.

Alert Notice 645: Monitoring of LPVs for Maser Study

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.

AAVSO Bulletin 81 for 2018 - Introduction

AAVSO Bulletin 81: Predicted Dates of Maxima and Minima of
381 Long Period Variables for 2018

AAVSO Bulletin 81 for 2018

Predicted Dates of Maxima and Minima of 381 Long Period Variables for 2018

AAVSO Bulletin 80 for 2017

Predicted Dates of Maxima and Minima of 381 Long Period Variables for 2017

Pages

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