Journal
ASTRONOMY & ASTROPHYSICS
Volume 563, Issue -, Pages -Publisher
EDP SCIENCES S A
DOI: 10.1051/0004-6361/201423665
Keywords
novae; cataclysmic variables; surveys
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Funding
- National Aeronautics and Space Administration through the Planetary Science Division of the NASA Science Mission Directorate [NNX08AR22G]
- National Science Foundation [AST-1238877]
- UK Science and Technology Facilities Council
- Robert Martin Ayers Sciences Fund
- Division Of Astronomical Sciences
- Direct For Mathematical & Physical Scien [1238877] Funding Source: National Science Foundation
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Context. Nova Delphini 2013 was identified on the 14th of August 2013 and eventually rose to be a naked eye object. Aims. We sought to study the behaviour of the object in the run-up to outburst and to compare it to the pre-outburst photometric characteristics of other novae. Methods. We searched the Pan-STARRS 1 datastore to identify pre-outburst photometry of Nova Del 2013 and identified twenty-four observations in the 1.2 years before outburst. Results. The progenitor of Nova Delphini showed variability of a few tenths of a magnitude but did not brighten significantly in comparison with archival plate photometry. We also found that the object did not vary significantly on the approximately half hour timescale between pairs of Pan-STARRS1 observations.
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