(cba:news) Fwd: Observing campaign on TT Ari

Joe Patterson jop at astro.columbia.edu
Fri Dec 8 18:50:02 EST 2017

Hi CBAers,

Over the next ~5 days or so, Deanne and Christian will be studying TT 
Ari intensively at radio (and likely other) wavelengths.  At 11th 
magnitude, it's the world's easiest target.  I'll write when the exact 
times of observation are known; but any pobservations over the next week 
will be helpful.

joe p

-------- Forwarded Message --------
Subject: 	Observing campaign on TT Ari
Date: 	Mon, 4 Dec 2017 21:45:18 +0200
From: 	Deanne Coppejans <deanne.coppejans at gmail.com>
To: 	Joe Patterson <jop at astro.columbia.edu>
CC: 	Christian Knigge <c.knigge at soton.ac.uk>

Dear Joe

We have an AAVSO observing campaign on TT Ari over the next two weeks 
(https://www.aavso.org/aavso-alert-notice-608 ). I was wondering if you 
could alert the CBA to it please?

The campaign is to get high cadence, multi-wavelength observations of TT 
Ari to determine the source of the flaring radio emission. In particular 
we have two 4h epochs of VLA observations of TT Ari over 10-12 December. 
The exact time and date are not set yet, and we will only know these two 
days in advance. I will announce the time on the AAVSO campaign forum 
and will let you know as soon as we know the exact time.

In particular, we are looking for strictly simultaneous photometry in a 
range of bands (as high cadence as possible).

Thank you very much for your help.

Best wishes,

Deanne Coppejans
Postdoctoral Associate
Northwestern University
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