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Latest Details
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Name
  KP Cyg  
AAVSO UID
000-BDN-362 (27 observations)  
Constellation
Cygnus Sequence
J2000.0
20 05 40.75 +41 15 45.0  (301.41981 +41.26251) Search nearby
B1950.0 20 03 57.07 +41 07 06.1
Proper motion
RA: -5.3 +/- 2.6 mas/yDec: -6.5 +/- 2.6 mas/ySource: UCAC4
Galactic coord. 77.259 +5.036
Other names

(Internal only)
AN 332.1929 ASASSN-V J200540.76+411544.5 ZTF J200540.74+411545.1
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Variability type
CWB
Spectral type A8-F7
Mag. range
12.5 - 14.2 p
Discoverer --
Epoch
03 Oct 2017 (HJD 2458030.3765) Ephemeris
Outburst --
Period 0.8559225 d  (20.54214 h)
Rise/eclipse dur. 22%  (4.519 h)
Remarks
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1 GCVS Team Delta(S) = 0.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
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
External Links
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Location    Go   
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 11.10H = 10.87K = 10.77J - K = 0.33
AllWISE W1 = 10.75W2 = 10.76W3 = 11.24W1 - W2 = -0.01
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 20 05 40.75 +41 15 45.0 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
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.