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Possible Nova in Scorpius

7 Sep 2011, 12:56 UTC
Possible Nova in Scorpius
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Following the posting on the Central Bureau's Transient Object Confirmation Page about a possible transient in Sco (TOCP Designation: PNV J16364300-4132460) and AAVSO Special Notice #251, we performed some follow-up of this object remotely through the 2.0-m f/10.0 Ritchey-Chretien + CCD of "Faulkes Telescope South" (MPC Code - E10).On our images taken on September 07.50, 2011 we can confirm the presence of an optical counterpart with filtered R-Bessel CCD magnitude 9.1 (USNO-B1.0 Catalogue reference stars) at coordinates:R.A. = 16 36 44.29, Decl.= -41 32 37.7(equinox 2000.0; USNO-B1.0 catalogue reference stars).According to VIZIER there is a 15.08 R1 magnitude star at 0.060 arcseconds from the transient position (USNO-B1.0 0484-0459316).Our BRV image (click on it for a bigger version):Below you can see an animation showing a comparison between our confirmation image and the archive POSS2/UKSTU plate (R Filter - 1997). Click on the thumbnail for a bigger version: by Ernesto Guido, Nick Howes and Giovanni Sostero

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