[vsnet-alert 24779] Re: [cvnet-outburst] AY Lac in outburst! (since Oct. 8)

[Jeremy Shears]

Thanks for the alert, Patrick. Just observed:

AY Lac    Oct 8.778     13.83C

Jeremy Shears



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From: cvnet-outburst at yahoogroups.com <cvnet-outburst at yahoogroups.com> on behalf of Patrick Schmeer pasc1312-aavso at yahoo.de [cvnet-outburst] <cvnet-outburst at yahoogroups.com>
Sent: 08 October 2020 10:16
To: vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp <vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp>; vsnet-outburst at ooruri.kusastro.kyoto-u.ac.jp <vsnet-outburst at ooruri.kusastro.kyoto-u.ac.jp>; cvnet-outburst at yahoogroups.com <cvnet-outburst at yahoogroups.com>; baavss-alert at yahoogroups.com <baavss-alert at yahoogroups.com>
Subject: [cvnet-outburst] AY Lac in outburst! (since Oct. 8)



AY Lacertae (UGWZ:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=16667

Patrick Wiggins reports that AY Lac is active in CCD images
that were taken today by him on my request (in the course
of our CV monitoring programme).

The current outburst can also be seen in recent ASAS-SN Sky
Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al.
2017PASP..129j4502K) data:
https://asas-sn.osu.edu/light_curves/57596b7a-f011-4a25-9d86-e5674f0b368f
LACAY 20201007.270 <17.29g ASN
LACAY 20201007.394 <16.55g ASN
LACAY 20201008.283  13.83g ASN
LACAY 20201008.395  13.72g ASN

Only two previous outbursts were recorded:
In late August and early September 1927 (C. Hoffmeister)
and on 11-29 August 1966 (H. Gessner), see IBVS 5441 at
https://konkoly.hu/pub/ibvs/5401/5441.pdf

Time-resolved photometry is urgently required.
Spectroscopy, multiband photometry, and precise
astrometry are also encouraged.

Clear skies,
Patrick

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Posted by: Patrick Schmeer <pasc1312-aavso at yahoo.de>
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