Request for spectra – ASASSN-18abl (at2018jsc) › Forums › Spectroscopy › Request for spectra – ASASSN-18abl (at2018jsc) This topic has 2 replies, 2 voices, and was last updated 5 years, 12 months ago by David Boyd. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts 13 December 2018 at 4:43 pm #574202 Robin LeadbeaterParticipant I have had a request for spectra of this star from Prof Subo Dong of the ASSASN team. This star was not thought to be variable but has brightened by suddenly by ~3 mag to ~ mag 12. I plan to try tonight but I have thin high cloud currently. https://wis-tns.weizmann.ac.il/object/2018jsc http://www.cbat.eps.harvard.edu/unconf/followups/J03005508+1802290.html An image here http://meineko.sakura.ne.jp/ccd/TCP_J03005508+1802290.jpg Robin 13 December 2018 at 8:44 pm #580395 Robin LeadbeaterParticipant An ALPY 600 spectrum in poor conditions (thin cloud) shows a blue continuum, weak H beta and gamma in absorption and no detectable H alpha 13 December 2018 at 10:52 pm #580396 David BoydParticipant LISA spectrum, 4500 sec integration, very similar to Robin’s above. According to a recent email to the CBA group by Tonny Vanmunster reporting observation of superhumps, it is a probably an AM CVn type dwarf nova. David Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Connect with :Login with Sheep CRM Log In