Discovered by:
- Koichi Nishiyama (Kurume, Japan) and Fujio Kabashima (Miyaki, Japan) (CBET 4295);
- All Sky Automated Survey for SuperNovae (ASAS-SN) (K. Z. Stanek et al., ATel #9343)
Discovery magnitude:
- Nishiyama and Kabashima - 10.7 unfiltered CCD (2 frames using a 135-mm f/4 camera lens (+FLI 09000 camera))
- ASAS-SN - V~13.3
Campaign continued through 2017. Also, updated in Special Notice #419 (20160809) to encourage spectroscopy.
August 3, 2016: Dr. Noel Richardson (University of Toledo) and colleagues have requested AAVSO assistance in optical monitoring of the bright, colliding-winds binary V1687 Cyg (WR 140, HD 193793) as part of their multi-wavelength campaign on this system.
July 13, 2016: Dr. Colin Littlefield (University of Notre Dame) and colleagues Drs. Peter Garnavich (Notre Dame), Erin Aadland (Minnesota State), and Mark Kennedy (University College Cork) have requested AAVSO assistance in monitoring the intermediate polar cataclysmic variable FO Aqr beginning immediately.
Dr. Littlefield, who with his colleagues recently published ATel #9216 and #9225, writes:
Thanks to all of our generous donors - WE MADE IT!
We not only met our Annual Campaign goal, but exceeded it by more than $1000.00.
THANK YOU to everyone who contributed.
Your continuing support makes it possible for the AAVSO to continue providing the data, tools and services scientists, educators, students, observers and the public rely on.
July 5, 2016: Further to AAVSO Alert Notice 539, Deanne Coppejans and colleagues request optical monitoring of the Z Cam dwarf nova RX And in support of their campaign to observe it with the Very Large Array (VLA) in their ongoing radio jet research.
Deanne writes in a post to the AAVSO Forum thread on this campaign: "We are going to try and catch RX And in quiescence again in the next three weeks. The optical coverage of it is still sparse, so any observations you take of it will be extremely useful."
AAVSO Newsletter 69, July 2016 is now available to members
The AAVSO Newsletter is a periodic, general forum that supports our various observing programs with lists of new targets, observing programming ideas, and general information that spans a wide area of interest. Guest writers contribute pieces that can range from current events to book reviews.
The Annual Report of the AAVSO describes the activities of the AAVSO over the past fiscal year, and provides general information about the organization.
