AAVSO: American Association of Variable Star Observers

Proposal #100

Proposer (1750) Shawn Dvorak (sdvorak@cfl.rr.com) obscode: DKS
Assigned To(3663) Dirk Terrell
Date SubmittedJan. 19, 2019

The NL/GWLIB star V386 Ser was reported undergoing its first-ever high-amplitude outburst on 18 Jan (http://www.cbat.eps.harvard.edu/unconf/followups/J15472959-0532144.html). Time series of at least a few hours, as frequently as possible, will be valuable for detecting any superhumps that develop over the next several weeks. This object is quite bright, reportedly at V=10.8, so a BSM instrument may be sufficient for the first few days of the outburst, but it will likely experience a number of fades and rebrightenings that will require a larger telescope.

Target RA (H.HH) Dec (D.DD) Magnitude Telescope Observation Frequency Expiration Date Proprietary Term
V386 Ser 15.600458 -16.70711 19.0–10.8 No


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