The ASAS-SN Catalog of Variable Stars III: Variables in the Southern TESS Continuous Viewing Zone. (arXiv:1901.00009v2 [astro-ph.SR] UPDATED)

The ASAS-SN Catalog of Variable Stars III: Variables in the Southern TESS Continuous Viewing Zone. (arXiv:1901.00009v2 [astro-ph.SR] UPDATED)
<a href="http://arxiv.org/find/astro-ph/1/au:+Jayasinghe_T/0/1/0/all/0/1">T. Jayasinghe</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Stanek_K/0/1/0/all/0/1">K. Z. Stanek</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Kochanek_C/0/1/0/all/0/1">C. S. Kochanek</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Shappee_B/0/1/0/all/0/1">B. J. Shappee</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Holoien_T/0/1/0/all/0/1">T. W. -S. Holoien</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Thompson_T/0/1/0/all/0/1">Todd A. Thompson</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Prieto_J/0/1/0/all/0/1">J. L. Prieto</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Dong_S/0/1/0/all/0/1">Subo Dong</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Pawlak_M/0/1/0/all/0/1">M. Pawlak</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Pejcha_O/0/1/0/all/0/1">O. Pejcha</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Shields_J/0/1/0/all/0/1">J. V. Shields</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Pojmanski_G/0/1/0/all/0/1">G. Pojmanski</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Otero_S/0/1/0/all/0/1">S. Otero</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Hurst_N/0/1/0/all/0/1">N. Hurst</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Britt_C/0/1/0/all/0/1">C. A. Britt</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Will_D/0/1/0/all/0/1">D. Will</a>

The All-Sky Automated Survey for Supernovae (ASAS-SN) provides long baseline
(${sim}4$ yrs) light curves for sources brighter than V$lesssim17$ mag across
the whole sky. The Transiting Exoplanet Survey Satellite (TESS) has started to
produce high-quality light curves with a baseline of at least 27 days,
eventually for most of the sky. The combination of ASAS-SN and TESS light
curves probes both long and short term variability in great detail, especially
towards the TESS continuous viewing zones (CVZ) at the ecliptic poles. We have
produced ${sim}1.3$ million V-band light curves covering a total of
${sim}1000 , rm deg^2$ towards the southern TESS CVZ and have systematically
searched these sources for variability. We have identified ${sim} 11,700$
variables, including ${sim} 7,000$ new discoveries. The light curves and
characteristics of the variables are all available through the ASAS-SN variable
stars database (https://asas-sn.osu.edu/variables). We also introduce an online
resource to obtain pre-computed ASAS-SN V-band light curves
(https://asas-sn.osu.edu/photometry) starting with the light curves of the
${sim}1.3$ million sources studied in this work. This effort will be extended
to provide ASAS-SN light curves for ${sim}50;$million sources over the entire
sky.

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