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Observing >> Variable Star Observing and Radio Astronomy

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RobK
sage


Reged: 07/06/08

Loc: Bright, Vic, Australia
New possible nova in Scorpius, PNV J17335943-36062 new
      #5900767 - 06/03/13 11:04 PM

Never rains but it pours! Koichi Nishiyama, Kurume,Japan and Fujio Kabashima, Miyaki,Japan, have discovered a new possible nova in Scorpius, mag 11.1, on 03 June 2013. The object has several confirmations but needs a spectrum to confirm it as a nova (or not!). Robin?

http://www.cbat.eps.harvard.edu/unconf/followups/J17335943-3606216.html
http://www.aavso.org/possible-nova-scorpius-pnv-j17335943-3606216

Here's a link to an image (Koichi Itagaki):
http://www.k-itagaki.jp/images/sco.jpg

Cheers -

Rob


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Rich (RLTYS)Moderator
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Reged: 12/18/04

Loc: New York (Long Island)
Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: RobK]
      #5901176 - 06/04/13 06:08 AM

Rob, once again thanks for the info.

Rich (RLTYS)


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robin_astro
sage


Reged: 12/18/05

Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: RobK]
      #5901252 - 06/04/13 08:11 AM

Quote:

The object has several confirmations but needs a spectrum to confirm it as a nova (or not!). Robin?





Christian Buil beat me to it :-) looks like a classical nova
http://www.astrosurf.com/buil/forum/_pnvj17335943-3606216_20130603_960_cbuil.png

Cheers
Robin


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robin_astro
sage


Reged: 12/18/05

Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: robin_astro]
      #5901522 - 06/04/13 11:02 AM

And another from your part of the world this time, Rob
http://www.spectro-aras.com/forum/viewtopic.php?f=6&t=609

Robin


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RobK
sage


Reged: 07/06/08

Loc: Bright, Vic, Australia
Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: robin_astro]
      #5901575 - 06/04/13 11:28 AM

Quote:

And another from your part of the world this time, Rob
http://www.spectro-aras.com/forum/viewtopic.php?f=6&t=609





Thanks Robin. Yeah, Terry's doing a great job on all sorts of objects.

Rob


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RobK
sage


Reged: 07/06/08

Loc: Bright, Vic, Australia
Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: RobK]
      #5902600 - 06/04/13 08:39 PM

Officially confirmed, "CBET 3542 : 20130604 : NOVA SCORPII 2013 = PSN J17335943-3606216" has been issued.
http://www.cbat.eps.harvard.edu/cbet/RecentCBETs.html

Rob


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nytecam
Postmaster


Reged: 08/20/05

Loc: London UK
Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: RobK]
      #5903203 - 06/05/13 03:46 AM

Thanks Rob - I'll give it a go when it clears trees in my SE horizon

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nytecam
Postmaster


Reged: 08/20/05

Loc: London UK
Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: robin_astro]
      #5906243 - 06/06/13 03:11 PM

Quote:

Quote:

The object has several confirmations but needs a spectrum to confirm it as a nova (or not!). Robin?


Christian Buil beat me to it :-) looks like a classical nova
http://www.astrosurf.com/buil/forum/_pnvj17335943-3606216_20130603_960_cbuil.png
Cheers Robin


Hi Robin - did a quick check and this one and it's theoretically ~2 deg above my southern meridian horizon and actually invisible in trees and bushes How's it for you 'tup north

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RobK
sage


Reged: 07/06/08

Loc: Bright, Vic, Australia
Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: nytecam]
      #5907366 - 06/07/13 06:37 AM Attachment (27 downloads)

Clear tonight and finally got an image of the nova. Just! The nova is bright in infrared which is not good news if you've got an unmodded DSLR. Very faint, not like the bright response of CCDs. I wouldn't have got the faintest trace of this one in my normal 55mm nova search fields.

Cheers -

Rob


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Rich (RLTYS)Moderator
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Reged: 12/18/04

Loc: New York (Long Island)
Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: RobK]
      #5909329 - 06/08/13 08:07 AM Attachment (31 downloads)

Took this image this morning 6-8-13 with the Slooh Remote Observatory.

Rich (RLTYS)


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robin_astro
sage


Reged: 12/18/05

Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: nytecam]
      #5911292 - 06/09/13 01:11 PM

Hi Maurice,

Quote:

Hi Robin - did a quick check and this one and it's theoretically ~2 deg above my southern meridian horizon and actually invisible in trees and bushes How's it for you 'tup north




I did not bother to check after I saw Christian had got it, but no, it doesn't get above the horizon here though so I would not have got it anyway. (It was pretty impressive for Christian to get a decent spectrum of this fairly faint object which would have been at low elevation even from Southern France)

Cheers
Robin


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nytecam
Postmaster


Reged: 08/20/05

Loc: London UK
Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: robin_astro]
      #5911332 - 06/09/13 01:35 PM

Quote:

Hi Maurice,

Quote:

Hi Robin - did a quick check and this one and it's theoretically ~2 deg above my southern meridian horizon and actually invisible in trees and bushes How's it for you 'tup north




I did not bother to check after I saw Christian had got it, but no, it doesn't get above the horizon here though so I would not have got it anyway. (It was pretty impressive for Christian to get a decent spectrum of this fairly faint object which would have been at low elevation even from Southern France) Cheers Robin


Yes - remarkable result for Christian @ 43.6N [Toulouse] eg only 8 degs better than me so still very low in his sky

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Rich (RLTYS)Moderator
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Reged: 12/18/04

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Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: Rich (RLTYS)]
      #5912601 - 06/10/13 08:52 AM

Quote:

Took this image this morning 6-8-13 with the Slooh Remote Observatory.

Rich (RLTYS)




Based on this image I estimated the magnitude of N Sco 2013 at 13.4.

Rich (RLTYS)


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Rich (RLTYS)Moderator
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Reged: 12/18/04

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Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: Rich (RLTYS)]
      #5924932 - 06/17/13 06:51 AM Attachment (28 downloads)

Took this image of N Sco 2013 on the 15th. I'd estimate its magnitude at 14.0.

Rich (RLTYS)


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Rich (RLTYS)Moderator
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Reged: 12/18/04

Loc: New York (Long Island)
Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: Rich (RLTYS)]
      #5940959 - 06/26/13 07:01 AM Attachment (23 downloads)

Took this image of N Sco 2013 on 6/26. N Sco continues to fade, estimated mag 15.7.

Rich (RLTYS)


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Rich (RLTYS)Moderator
Post Laureate
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Reged: 12/18/04

Loc: New York (Long Island)
Re: New possible nova in Scorpius, PNV J17335943-36062 [Re: Rich (RLTYS)]
      #5979220 - 07/19/13 06:36 AM Attachment (22 downloads)

Most likely my last image of N Sco 2013. In red light I'd estimate this nova has faded to at least 17th mag. The AAVSO LCG shows the nova at about mag 17.5.

Rich (RLTYS)


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RobK
sage


Reged: 07/06/08

Loc: Bright, Vic, Australia
Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: Rich (RLTYS)]
      #5980966 - 07/20/13 07:38 AM

Heroic efforts on this one, well done Rich!

Cheers -

Rob


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Rich (RLTYS)Moderator
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Reged: 12/18/04

Loc: New York (Long Island)
Re: New possible nova in Scorpius, PNV J17335943-36062 new [Re: RobK]
      #6017130 - 08/10/13 07:54 AM

On 8/9/13 I once again imaged N Sco 2013 with the Slooh Remote Observatory. N Sco is now extremely faint but I was able to ID it. I can only take an educated guess as to its magnitude but I would say 18th mag possibly fainter.

Rich (RLTYS)


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