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Latest Details
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Name
  AI Cep  
AAVSO UID
000-BCP-334 (372 observations)  
Constellation
Cepheus Sequence
J2000.0
21 46 22.59 +56 55 01.8  (326.59413 +56.91717) Search nearby
B1950.0 21 44 45.42 +56 41 07.3
Proper motion
RA: -5.028 +/- 0.072 mas/yDec: -3.428 +/- 0.066 mas/ySource: Gaia DR1
Galactic coord. 99.677 +2.649
Other names

(Internal only)
AAVSO 2143+56B ASASSN-V J214622.59+565501.8 BD+56 2640
HD 239767 HIP 107500 IOMC 3975000069
SAO 33744 SVS 505  
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Variability type
EB/DM
Spectral type B0.5V:p
Mag. range
9.18 - 9.86 V
Discoverer --
Epoch
27 Jul 1931 (HJD 2426550.341) Ephemeris
Outburst --
Period 4.225288 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team Min II 9.48.
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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 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)		 2012arXiv1210.0821A
3 Kh.Albo, Tartu Publ 34, N3, 1964. --
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 = 7.62H = 7.46K = 7.36J - K = 0.26
AllWISE W1 = 7.35W2 = 7.38W3 = 7.39W4 = 7.54W1 - W2 = -0.02W3 - W4 = -0.15
APASS-DR9 B = 10.33V = 9.69g' = 10.16r' = 9.54i' = 9.13B - V = 0.64
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 21 46 22.59 +56 55 01.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Stellar Association Membership
 Trumpler 37 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.

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