[vsnet-alert 21797] Re: PNV J13532700-6725110: possible nova (9.1 mag) in Circinus (near the border with Musca)

walcom77 walcom77 at gmail.com
Sun Jan 21 04:57:17 JST 2018


My follow-up images & info about PNV J13532700-6725110 possible nova in Circinus

http://bit.ly/2romGRH

Our confirmation image (single unfiltered 60-sec exposure through a
0.43-m f/6.8 reflector + CCD; MPC Code Q62):

http://bit.ly/2Dlr6Ko

An animation showing a comparison between our confirmation image and
the archive POSS2/UKSTU Red plate (1997-03-31):

http://bit.ly/2DkMlw4

Kind Regards,

Ernesto Guido
http://remanzacco.blogspot.com
http://twitter.com/comets77

On Fri, Jan 19, 2018 at 8:38 PM, Patrick Schmeer
pasc1312-aavso at yahoo.de via vsnet-alert
<vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp> wrote:
> PNV J13532700-6725110  (N:)
>
> RA 13h53m27.00s, DEC -67°25'11.0" (J2000.0)
> 2018 Jan. 19.708 UT, 9.1 mag (CCD, unfiltered)
> Discoverer: John Seach (Chatsworth Island, NSW, Australia)
>
> "2018 01 19.708 UT
> Possible new nova in Circinus. Discovered by John Seach, Chatsworth
> Island, NSW, Australia. DSLR with 50 mm f/1.2 lens. Object visible
> on 3 images. No object identified at position on 3 images taken
> with same instrument on Jan 18.7 UT. No minor planet or variable
> star at position. No object on DSS2-red."
>
> Follow-up reports:
> http://www.cbat.eps.harvard.edu/unconf/followups/J13532700-6725110.html
>
> A Gaia DR1 source (position end figures 26.92s, 10.47"; G= 18.10 mag)
> is located only 0.7" from the reported position of the transient.
> Further designations: USNO-A2.0 0225-18431574 (B= 19.2, R= 17.7 mag),
> USNO-B1.0 0225-0595724, 2MASS J13532702-6725105, NOMAD1 0225-0600516,
> XPM 045-0587677. The nearest GALEX source (GALEX J135327.5-672500)
> is 11" away.
> According to ASAS-SN Sky Patrol observations (Shappee et al.
> 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) this
> eruption began very recently: 2018 Jan. 18.341 UT, V= 15.75 mag
> (probably contaminated by nearby stars); 19.339, 9.00.
> https://asas-sn.osu.edu/light_curves/c57f176f-f41b-4c47-be49-581739797b28
>
> Spectroscopy and precise astrometry are urgently required.
>
> Clear skies,
> Patrick
>



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