J/other/JAD/26.1 CY Aqr CCD photometry 2019-2020 seasons (Wiedemair+, 2020)
CCD photometry of CY Aquarii VI. The 2019-2020 seasons.
Wiedemair C., Sterken C., Eenmaee T., Neito R., Oberhauser V., Moser D.,
Mair M., Lercher G.
<J. Astron. Data, 26, 1 (2020)>
=2020JAD....26....1W 2020JAD....26....1W (SIMBAD/NED BibCode)
ADC_Keywords: Stars, variable ; Photometry
Keywords: technique: photometric - stars: CY Aqr
Abstract:
Based on 28 partial nights of CCD monitoring, we derive 49 new times
of maximum light of the SX Phoenicis star CY Aquarii. These times
extend the linear ephemeris for a time interval covering the last
eight years.
Description:
Heliocentric Julian Date, differential magnitudes.
Objects:
-----------------------------------------------
RA (2000) DE Designation(s)
-----------------------------------------------
22 37 47.9 +01 32 03.8 CY Aqr = V* CY Aqr
-----------------------------------------------
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
tmax.dat 39 49 Times of maximum light of CY Aqr,
weight W and cycle number E
bruneck.dat 25 6116 Differential magnitudes Bruneck 2016-2017-2018
tartu.dat 25 3930 Differential magnitudes Tartu Observatory
2017-2018
--------------------------------------------------------------------------------
See also:
J/other/JAD/16.1 : GSC 8613-2122 UBVRI and uvby light curves (Tuvikene+, 2010)
J/other/JAD/16.2 : New times of maximum of CY Aqr (Tuvikene+, 2010)
J/other/JAD/17.2 : CY Aqr differential light curves (Sterken+, 2011)
J/other/JAD/18.2 : CY Aqr multiband photometry: 2011 season (Sterken+, 2012)
J/other/JAD/22.1 : CCD photometry of CY Aqr 2012-2015 (Wiedemair+, 2016)
J/other/JAD/24.4 : CY Aqr CCD photometry 2016-2017-2018 (Wiedemair+, 2018)
Byte-by-byte Description of file: tmax.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 11 F11.5 d HJD Heliocentric Julian Date (HJD-2400000)
14 I1 --- W weight
17- 22 I6 --- E Cycle number
26 A1 --- Band [V-] Photometric filter band
29- 39 A11 --- Site Observing site
--------------------------------------------------------------------------------
Byte-by-byte Description of file: bruneck.dat tartu.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 11 F11.5 d HJD Heliocentric Julian Date (HJD-2400000)
13- 18 F6.3 mag Dmag1 Differential magnitude CY Aqr minus C1
20- 25 F6.3 mag Dmag2 ? Differential magnitude C1 minus C2
--------------------------------------------------------------------------------
Acknowledgements:
Christiaan Sterken, csterken(at)vub.ac.be
References:
Turvikene et al., Paper I 2010JAD....16....1T 2010JAD....16....1T, Cat. J/other/JAD/16.1
Sterken et al., Paper II 2011JAD....17....2S 2011JAD....17....2S, Cat. J/other/JAD/17.2
Sterken et al., Paper III 2012JAD....18....2S 2012JAD....18....2S, Cat. J/other/JAD/18.2
Wiedemair et al., Paper IV 2016JAD....22....1W 2016JAD....22....1W, Cat. J/other/JAD/22.1
Wiedemair et al., Paper V 2018JAD....24....4W 2018JAD....24....4W, Cat. J/other/JAD/24.4
(End) Patricia Vannier [CDS] 02-Dec-2020