4.4.5 Physical data

Hoffmeister, Cuno

doi:10.1007/10201941_46

Cited by 1 publication

(1 citation statement)

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“…KIC 7431243 was found to be a moderately blue source in the KIS (g − r=0.47, Greiss et al 2012) and in our survey it was found to show rapid flux changess superimposed upon an irregular variation ( Figure 5). KIC 7431243 matches the variable star V363 Lyr which was discovered as a Cataclysmic Variable (CV) by Hoffmeister (1967), whilst Kato et al (2001) found that it shows outbursts of duration 7-8 days every ∼21 days. There are several dozen known CVs in the Kepler field (see Scaringi et al 2013 andHowell et al 2013).…”

Section: Kic 7431243 (V363 Lyr): a Cataclysmic Variablementioning

confidence: 88%

RATS-Kepler – a deep high-cadence survey of the Kepler field

Ramsay¹,

Brooks²,

Hakala³

et al. 2013

Monthly Notices of the Royal Astronomical Society

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We outline the purpose, strategy and first results of a deep, high cadence, photometric survey of the Kepler field using the Isaac Newton Telescope on La Palma and the MDM 1.3m Telescope on Kitt Peak. Our goal was to identify sources located in the Kepler field of view which are variable on a timescale of a few mins to 1 hour. The astrophysically most interesting sources would then have been candidates for observation using Kepler using 1 min sampling. Our survey covered ∼42% of the Kepler field of view and we have obtained light curves for 7.1×10 5 objects in the range 13< g < 20.We have discovered more than 100 variable sources which have passed our two stage identification process. As a service to the wider community, we make our data products and cleaned CCD images available to download. We obtained Kepler data of 18 sources which we found to be variable using our survey and we give an overview of the currently available data here. These sources include a pulsating DA white dwarf, eleven δ Sct stars which have dominant pulsation periods in the range 24 min to 2.35 hrs, three contact binaries, and a cataclysmic variable (V363 Lyr). One of the δ Sct stars is in a contact binary.

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Section: Kic 7431243 (V363 Lyr): a Cataclysmic Variablementioning

confidence: 88%