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Latest Details
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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 04.30 +62 14 34.6
Proper motion
RA: 7.697 +/- 0.059 mas/yDec: -8.818 +/- 0.054 mas/ySource: Gaia DR1
Galactic coord. 110.685 +2.269
Other names

(Internal only)
AAVSO 2258+61 ADS 16466 ASASSN-V J230205.70+623043.2
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
26 Oct 2015 (HJD 2457322.419) Ephemeris
Outburst --
Period 2.058306 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
Click reference title/citation to view in new window. Roll over index number to view submission details.
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 --
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 K = 7.10
AllWISE W1 = 6.98W2 = 7.06W3 = 7.16W1 - W2 = -0.08
APASS-DR9 B = 8.59V = 8.07g' = 8.43r' = 8.01i' = 7.97B - V = 0.51
SDSS-DR12 u = 9.59g = 13.90r = 10.35i = 10.05z = 9.23u - g = -4.31r - i = 0.30
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 23 02 05.62 +62 30 43.5 (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.
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.