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Table A.1

Summary of T8 0.80-m APT observations of 55 Cnc.

Observing Mean Julian date Seasonal mean Seasonal mean Seasonal mean Period Amplitude
season (HJD−2,400,000) Nobs (PC2by) (PC3by) (C3 − C2by) (days) (mag)
(1) (2) (3) (4) (5) (6) (7) (8)
2000-2001 2451972.7 81 0.07336 ± 0.00012 − 0.69247 ± 0.00011 0.76585 ± 0.00011
2001-2002 2452302.2 116 0.07306 ± 0.00010 − 0.69297 ± 0.00010 0.76604 ± 0.00008
2002-2003 2452671.5 135 0.07315 ± 0.00011 − 0.69314 ± 0.00012 0.76629 ± 0.00010
2003-2004 2453025.7 150 0.07232 ± 0.00012 − 0.69399 ± 0.00011 0.76631 ± 0.00010
2004-2005 2453388.4 157 0.07284 ± 0.00018 − 0.69326 ± 0.00017 0.76609 ± 0.00008 39.34 ± 0.85 0.00072 ± 0.00016
2005-2006 2453742.2 145 0.07197 ± 0.00014 − 0.69425 ± 0.00016 0.76623 ± 0.00009 46.23 ± 1.38 0.00065 ± 0.00017
2006-2007 2454118.8 132 0.07305 ± 0.00020 − 0.69337 ± 0.00019 0.76643 ± 0.00007 41.67 ± 0.84 0.00085 ± 0.00017
2007-2008 2454512.8 636 0.07250 ± 0.00006 − 0.69399 ± 0.00007 0.76649 ± 0.00004
2008-2009 2454849.2 61 0.07381 ± 0.00020 − 0.69248 ± 0.00021 0.76628 ± 0.00012 40.44 ± 0.75 0.00140 ± 0.00025
2009-2010 2455211.3 89 0.07343 ± 0.00013 − 0.69301 ± 0.00013 0.76644 ± 0.00010 34.94 ± 1.07 0.00065 ± 0.00022
2010-2011 2455581.5 112 0.07440 ± 0.00009 − 0.69226 ± 0.00011 0.76665 ± 0.00008
2011-2012 2455959.9 99 0.07436 ± 0.00010 − 0.69200 ± 0.00011 0.76637 ± 0.00008
2012-2013 2456318.9 74 0.07436 ± 0.00009 − 0.69244 ± 0.00011 0.76681 ± 0.00010
2013-2014 2456680.9 85 0.07405 ± 0.00010 − 0.69227 ± 0.00010 0.76631 ± 0.00006
2014-2015 2457035.9 53 0.07431 ± 0.00025 − 0.69198 ± 0.00031 0.76629 ± 0.00015
2015-2016 2457413.4 70 0.07380 ± 0.00034 − 0.69267 ± 0.00030 0.76646 ± 0.00016
2016-2017 2457755.3 48 0.07385 ± 0.00032 − 0.69299 ± 0.00029 0.76681 ± 0.00018 38.45 ± 1.36 0.00132 ± 0.00030

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