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Astrophysics > Solar and Stellar Astrophysics

arXiv:1312.5890 (astro-ph)
[Submitted on 20 Dec 2013]

Title:Photometry of the progenitor of Nova Del 2013 (V339 Del) and calibration of a deep BVRI photometric

Authors:Ulisse Munari, Arne Henden
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Abstract:The Asiago plate archive has been searched for old plates covering the region of the sky containing Nova Del 2013 (V339 Del). The brightness of the progenitor was measured against a deep BVRI photometric sequence that we calibrated on purpose. The mean brightness of the progenitor on Asiago plates is <B>=17.27 and <V>=17.6, for a mean color (B-V) = -0.33. The recorded total amplitude of variation in B band is 0.9 mag. Color and variability are in agreement with a progenitor dominated by the emission from an accretion disc. The progenitor was marginally detected also by the APASS all sky survey on April 2012. We have stacked the CCD images from three individual visits and measured the progenitor at B=17.33+/-0.09 and V=17.06+/-0.10 mag.
Comments: IBVS 6087
Subjects: Solar and Stellar Astrophysics (astro-ph.SR)
Cite as: arXiv:1312.5890 [astro-ph.SR]
  (or arXiv:1312.5890v1 [astro-ph.SR] for this version)
  https://doi.org/10.48550/arXiv.1312.5890

Submission history

From: Ulisse Munari [view email]
[v1] Fri, 20 Dec 2013 11:10:45 UTC (1,526 KB)
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