[vsnet-alert 13368] Fwd: [VSS-members] Confirmation notice - Re: AAVSO Special Notice #240: Possible nova in Scorpius

Peter Nelson pnelson at dcsi.net.au
Thu Jun 2 21:29:57 JST 2011


> Images obtained in BVRI on 110602 around 11:30UT confirm the presence of this possible nova.
> 
> Astrometry using MaxIm and a UCAC2 background, giver the following J2000 position:
> 
> RA:		16 55 09.47
> DEC:	-38 38 04.4 
> 
> (Ave residual 0.1arc")
> 
> Magnitudes (untransformed) are:
> 
> B	12.58 +/- 0.04
> V	10.95 +/- 0.02
> R	09.70 +/- 0.01
> I	08.55 +/- 0.05
> 
> An image can be viewed on my website:
> www.ellinbankobservatory.com
> 
> Peter Nelson
> 
> On 02/06/2011, at 7:28 AM, aavso at aavso.org wrote:
> 
>> AAVSO Special Notice #240
>> 
>> Possible nova in Scorpius
>> June 1, 2011
>> 
>> John Seach (Chatsworth Island, NSW, Australia) has identified a transient object on 3 images taken with a digital SLR camera.  The coordinates are:
>> 
>> RA 16 55 11
>> Dec -38 38 12
>> J2000
>> 
>> The discovery magnitude on June 1.40UT was 9.5
>> No object was seen on images taken the previous night, and no minor planet, comet or variable star is known at that position.  He also does not see any DSS object at those coordinates.
>> 
>> Confirmation of this object is requested.  If you do see a new variable object at these coordinates, continue to monitor it; V-band time series would be useful at this early stage.
>> Arne
>> 
>> 
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>> 
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>> 
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>> 
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>> 
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> 
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