[vsnet-alert 16446] Re: Next HST observations: BB Ari

[Boris Gaensicke]

Dear All,

the last few measurements of BB Ari show it brightening by
about a magnitude over its quiescent level.

This is bad news:If this is the onset of a normal outburst, it
will not be back in quiescence for Friday's HST observations.

If at all possible, please try to get additional V-band (or
unfiltered, if it is otherwise too faint) snapshots to monitor
the behaviour of the star over the next few days - those
data will be extremely important for deciding how to
proceed.

Best wishes,

Boris


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