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Details for Revision 2
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Name
  KP Cyg  
AAVSO UID
000-BDN-362 (27 observations)  
Constellation
Cygnus Sequence
J2000.0
20 05 40.73 +41 15 45.0  (301.41971 +41.26250) Search nearby
B1950.0 20 03 57.02 +41 07 05.7
Galactic coord. 77.259 +5.036
Other names

(Internal only)
AN 332.1929    
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Variability type
RRAB
Spectral type A8-F7
Mag. range
12.5 - 14.2 p
Discoverer --
Epoch
21 Jul 1930 (HJD 2426178.579) Ephemeris
Outburst --
Period 0.855936 d  (20.5425 h)
Rise/eclipse dur. 22%  (4.52 h)
Remarks
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1 GCVS Team Delta(S) = 0.
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References
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1 Maintz, G., 2020, KP Cygni und V830 Cygni 2020BAVSR..69...73M
2 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
3 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
4 S.M. Andrievsky, V.V. Kovtyukh, G. Wallerstein, S.A. Korotin, W. Huang,
2010, arXiv:1006.0511v1 [astro-ph.SR]
2010arXiv1006.0511A
5 M.Vogt, IBVS N468, 1970. 1970IBVS..468....1V
6 B.S.Whitney, PASP 68, 269, 1956. 1956PASP...68..269W
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Supporting Documents
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Stellar Association Membership
 Dolidze 38 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Bernhard, Klaus 2023-09-29 20:35 UTC Period and epoch from 2020BAVSR..69...73M. Gaia DR3 position.
4 Otero, Sebastian Alberto 2021-10-26 00:53 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
3 Admin, VSX 2010-06-07 00:12 UTC Update from [2010arXiv1006.0511A].
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.