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Latest Details
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Name
  CW Cep  
AAVSO UID
000-BDL-237 (1064 observations)  
Constellation
Cepheus Sequence
J2000.0
23 04 02.22 +63 23 48.8  (346.00925 +63.39689) Search nearby
B1950.0 23 02 01.13 +63 07 37.4
Proper motion
RA: -0.92 +/- 0.81 mas/yDec: -0.79 +/- 0.62 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 111.247 +2.988
Other names

(Internal only)
BD+62 2163 HD 218066 HIP 113907
IOMC 4282000061 SAO 20401  
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Variability type
EA/DM
Spectral type B0.5+B0.5IV-Vea
Mag. range
7.6 - 8.04 V
Discoverer --
Epoch
22 Sep 1955 (HJD 2435373.4496) Ephemeris
Outburst --
Period 2.72914 d
Rise/eclipse dur. 13%  (8.5 h)
Remarks
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1 2012IBVS.6011....1D Eccentric orbit.
2 GCVS Team VB A (B 12.29m, 20", 310deg). Min II 8.01; Min II - Min I = 0.478P (1972 yr). There is a sinusoidal term in the elements: +0.0250d*sin(0.0626deg*E - 28.3deg). Apsidal motion with P = 43a.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Bob Nelson's O-C files, 2016 --
2 R. Diethelm, 2012, IBVS 6011 2012IBVS.6011....1D
3 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
4 S.Soderhjelm, AsAp Suppl 25, 151, 1976. 1976A&AS...25..151S
5 CALEB - Catalog and AtLas of Eclipsing Binaries --
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 = 6.70H = 6.67K = 6.58J - K = 0.12
AllWISE W1 = 6.52W2 = 6.37W3 = 6.07W4 = 5.32W1 - W2 = 0.15W3 - W4 = 0.75
APASS-DR9 B = 7.78V = 7.54B - V = 0.23
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 23 04 02.22 +63 23 48.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 ASCC 125 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
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.