[vsnet-rcb 857] Re: [VSS] Re: V854 Cen Apparent Decline Onset & Decline Continues

[Peter Williams]

Hello All,

 

Further to the below emails, the RCB star V854 Cen has continued to decline and seems set to continue to a deep decline.  An additional visual observations:

 

CENV854CEN     20200404.484     100         WPX

 

Tks and regards

 

Peter Williams

Heathcote NSW

20x80mm binoculars

 

 

 

 

From: vsnet-rcb [mailto:vsnet-rcb-bounces at ooruri.kusastro.kyoto-u.ac.jp] On Behalf Of Peter Williams
Sent: Thursday, 2 April 2020 10:15 PM
To: VariableStarsSouth at googlegroups.com
Cc: vsnet rcb <vsnet-rcb at ooruri.kusastro.kyoto-u.ac.jp>
Subject: [vsnet-rcb 856] Re: [VSS] Re: V854 Cen Apparent Decline Onset

 

Hi Andrew and All,

 

Thanks for the confirmation of V854 Cen apparent decline onset.  I noticed it fainter on Monday but was awaiting the next clear night to confirm (and still waiting singing in the rain).  My understanding is if V854 Cen falls below 8.5 then it will most likely continue to a deep minimum.  Otherwise, it may stall between 8.0 and 8.5 then return to maximum.

 

Recent visual observations to add to your below list in vsnet format:

 

CENV854              20200327.963     74           WPX

CENV854              20200330.465     79           WPX

 

 

Tks and regards

 

Peter Williams 

Heathcote NSW

 

 

From: variablestarssouth at googlegroups.com <mailto:variablestarssouth at googlegroups.com>  [mailto:variablestarssouth at googlegroups.com] On Behalf Of Mark Blackford
Sent: Thursday, 2 April 2020 8:19 PM
To: VariableStarsSouth at googlegroups.com <mailto:VariableStarsSouth at googlegroups.com> 
Subject: RE: [VSS] Re: V854 Cen Apparent Decline Onset

 

Hi Andrew,

 

Thanks for the heads up. The timing of this decline is quite favourable as V0854 Cen will be observable for many months to come. Unlike the last decline in September 2018 when solar conjunction curtailed observations before it started to brighten again. 

 

Cheers,

 

Mark

 

From: variablestarssouth at googlegroups.com <mailto:variablestarssouth at googlegroups.com>  [mailto:variablestarssouth at googlegroups.com] On Behalf Of Andrew Pearce
Sent: Thursday, 2 April 2020 8:03 PM
To: Variable Stars South
Subject: [VSS] Re: V854 Cen Apparent Decline Onset

 

Hi All

 

V854 Cen looks like it is maybe starting another decline based on my observations below

 

March 23.795  7.2

March 29.756  7.8

March 30.537  7.8

March 30.784  7.8

March 31.787  8.0

 

Regards

Andrew

 

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