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Details for Revision 2
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Name
  NN Cep  
AAVSO UID
000-BDC-630 (633 observations)  
Constellation
Cepheus Sequence
J2000.0
23 02 05.62 +62 30 43.5  (345.52342 +62.51208) Search nearby
B1950.0 23 00 04.36 +62 14 34.2
Galactic coord. 110.685 +2.269
Other names

(Internal only)
AAVSO 2258+61 ADS 16466 BD+61 2384
HD 217796 HIP 113738 IOMC 4282000057
SAO 20381    
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Variability type
EA/DM
Spectral type A5
Mag. range
8.2 - 8.58 V
Discoverer --
Epoch
24 Sep 1980 (HJD 2444507.4033) Ephemeris
Outburst --
Period 2.058305 d
Rise/eclipse dur. 12%  (5.93 h)
Remarks
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1 GCVS Team Min II 8.52.
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References
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1 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)
2017ARep...61...80S
2 Bob Nelson's O-C files, 2016 --
3 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
4 J.S. Nichols et al., 2010, ApJS 188, 473 (online data) 2010ApJS..188..473N
5 N.Gueduer, Oemuer Guelmen, IBVS N1881, 1980. 1980IBVS.1881....1G
6 A.Gaspani, GEOS NC 241, 1980. --
7 CALEB - Catalog and AtLas of Eclipsing Binaries --
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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.
3 Otero, Sebastian Alberto 2020-05-24 18:56 UTC Period and epoch from the GCVS (November 2019 version).
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.