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Northern dwarf novae monitoring campaign

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weo
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Northern dwarf novae monitoring campaign

AAVSO Alert Notice 505 announces a new AAVSO observing campaign on several Northen dwarf novae. The purpose for monitoring these CVs is to detect the beginning of an outburst in time to trigger VLA observations to search for radio jets. Please see the Alert Notice for details.

Many thanks for your participation in this campaign - it will be crucial!

Good observing,

Elizabeth Waagen, AAVSO HQ

weo
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Message from PI Deanne Coppejans

[posted by Elizabeth Waagen]

Thank you all so much for your observations of RX And. The quick response time was great!

The timing of this outburst was such that we were concerned that RX And would not be visible from the VLA at the time of the optical peak, so we decided to trigger on a more optimally-timed outburst.

The observations you took are helping us to estimate the rise time and peak of outburst more accurately, so please keep it up smiley  We are still focusing on RX And and EM Cyg for now.

Best wishes,

Deanne

--
Deanne Coppejans   (de Bude`)
PhD student
Department of Astrophysics, Radboud University Nijmegen
Astronomy Department, University of Cape Town

weo
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Z Cam going into outburst? Confirmation needed NOW

Z Cam may be going into outburst, according to observations made very early this morning. If you are able to observe it tonight (2014 November 20-21), please report your observations IMMEDIATELY. Because timing is critical, observations from locations East of Greenwich - the farther East the better - will be especially crucial to knowing its status in time to decide whether to trigger VLA observations. Observations from all locations are definitely needed. (see Alert Notice 505 for details)

Many thanks and good observing,

Elizabeth Waagen, AAVSO HQ

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