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Latest Details
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Log in to retrieve additional aliases from SIMBAD. |
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| Name |
bet Cep |
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| AAVSO UID |
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| Constellation |
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| J2000.0 |
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| B1950.0 |
21 28 01.38 +70 20 27.5 |
| Proper motion |
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| Galactic coord. |
107.539 +14.026 |
Other names
(Internal only)
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8 Cep |
1RXS J212838.8+703352 |
AAVSO 2127+70 |
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ADS 15032 A |
BD+69 1173 |
HD 205021 |
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HIP 106032 |
HR 8238 |
SAO 10057 |
(Not logged in) Add name
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| Variability type |
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BCEP |
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| Spectral type |
B2IIIeV |
| Mag. range |
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3.16 - 3.27 V |
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| Discoverer |
-- |
| Epoch |
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| Outburst |
-- |
| Period |
0.1904881 d (4.57171 h) |
| Rise/eclipse dur. |
50% (2.286 h) |
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Remarks
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Some references may be clicked to view in new window. Roll over index number to view submission details.
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1 |
GCVS Team |
VB A (A 6m, 0.204", 47.2deg, 1977.9; B 7.84m, A2V, 13.6", 250deg). SB1 (Porb = 10.893d) [W.S.Fitch, ApJ 158, 269, 1969.]. P var. Max(Vr) = 2417359.715 + 0.1904795d*E (JD2415750 - 22000); Max(Vr) = 2422203.790 + 0.1904844d*E + 2.9440d*10**(-11)*E**2 + 3.2671d*10**(-17)*E**3 (JD2422000 - 42630) [O.Struve, D.H.McNamara, S.M.Kung, C.Beymer, ApJ 118, 39, 1953.]. Elements given in the Table satisfy observations in 1967 - 69. |
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References
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External Links
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Location
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Catalog Data
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Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
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2MASS
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J = 3.64 | H = 3.75 | K = 3.90 | J - K = -0.26 |
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AllWISE
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W1 = 3.56 | W2 = 2.69 | W3 = 3.93 | W4 = 3.88 | W1 - W2 = 0.86 | W3 - W4 = 0.05 |
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Images
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Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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There are currently no supporting documents on file for this star.
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Revision History
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Currently approved revision is checked. Click revision number to view details of that revision.
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2 |
Admin, VSX
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2010-01-05 04:43 UTC |
Position updated from the GCVS version of November 2009. |
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1 |
Admin, VSX
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2005-12-18 01:33 UTC |
Initial upload. |
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