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Name
  mu. Cep  
AAVSO UID
000-BCP-244 (80975 observations)  
Constellation
Cepheus Sequence
J2000.0
21 43 30.46 +58 46 48.1  (325.87692 +58.78003) Search nearby
B1950.0 21 41 58.57 +58 33 00.5
Proper motion
RA: 5.36 +/- 0.17 mas/yDec: -3.51 +/- 0.18 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 100.595 +4.315
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
* mu Cep 2MASS J21433045+5846480 AAVSO 2140+58
ADS 15271 A ASASSN-V J214338.04+584815.7 ASASSN-V J214417.56+583911.3
AllWISE J214330.44+584648.8 BD+58 2316 Erakis
GALEX J214330.4+584648 GALEX J214330.5+584649 GC 30440
GSC 03979-01616 HD 206936 HIP 107259
HR 8316 Herschel's Garnet Star IRAS 21419+5832
IRC +60325 PPMX J214330.4+584648 RAFGL 2802
SAO 33693 TYC 3979-1616-1 VV 469
WDS J21435+5847A WISE J214330.91+584648.8 miu Cep
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Variability type
SRC
Spectral type M2Iae
Mag. range
3.43 - 5.1 V
Discoverer John Russell Hind (1848)
Epoch
14 Jun 1994 (HJD 2449518) Ephemeris
Outburst --
Period 835 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Usually between V= 3.5 and 4.5. Other period is 390 d.
2 Waagen, Elizabeth O. This star is Greek-letter mu Cep.
3 GCVS Team VB A (B 12.3m, 19.4", 262deg; C 12.7m, 41", 299deg). There is also the cycle with 4400d duration [I.A.Klyus, Perem. Zvezdy 21, 132, 1978.].
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References
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1 T. Jayasinghe, K. Z. Stanek, C. Kochanek, et al., 2019 (in preparation) --
2 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
3 Long-Term VRI Photometry of Small-Amplitude Red Variables. I. Light Curves
and Periods
2001PASP..113..983P
4 Brelstaff, T.; Lloyd, C.; Markham, T.; et al., 1997, The periods of Mu
Cephei
1997JBAA..107..135B
5 T.A.Polyakova, Perem. Zvezdy 20, 75, 1975. 1975PZ.....20...75P
External Links
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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 = -0.33H = -1.26K = -1.62J - K = 1.29
AllWISE W4 = -4.12
Images
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Supporting Documents
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Campaigns/Programs
 Binocular program
 Legacy LPV Program
 LPV Program
Revision History
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5 Otero, Sebastian Alberto 2020-05-24 13:34 UTC Position from the GCVS (November 2019 version).
4 Schmeer, Patrick 2020-05-04 07:50 UTC Gaia DR2 position. Discoverer changed (1997JBAA..107..135B).
3 Jansen, R 2016-08-13 12:44 UTC Added discoverer
2 Otero, Sebastian Alberto 2011-08-15 15:34 UTC Period and epoch from Percy, AAVSO and Hipparcos data since 1963.
1 Admin, VSX 2005-12-17 20:33 UTC Preserved original object data.