spectro-aras.com

Friends, We initiated a campaign requesting photometric and spectroscopic observations of the newly discovered eclipsing system ASASSN-21co. Archival data showcase a period of 11.9 years, with an eclipse duration of ~80 days. Recent ASAS-SN data have showcased that it just entered a new min, at V~11...

Friends, The AAVSO is organizing a FREE spectroscopy webinar on Saturday, 22 August between 18:00-20:00 UT. The schedule is listed here: https://www.aavso.org/2020-observing-section-series-specs And here is the link for free registration: https://us02web.zoom.us/webinar/register/8015919063790/WN_t8U...

Friends, We were notified that the classical nova V1047 Cen (Nova Cen 2005) is rebrightening, having reached approximately V=15.3. This was a fast and very red FeII nova in 2005 and it reached a visual magnitude of 8.5 at peak. I really don’t know what this current event is, but it provides a great ...

Friends, First, a thank you to Francois Teyssier for including me in this forum. My name is Stella Kafka, I am from Greece, and I have the privilege of being the AAVSO Director since 2015. My area of research is cataclysmic variables, with special interest on magnetic activity on CV donor stars and ...