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Name
T Cep
AAVSO UID
Constellation
J2000.0
B1950.0
21 08 52.83 +68 17 12.9
Proper motion
Galactic coord.
104.805 +13.845
Other names
(Internal only)
2MASS J21093180+6829268
AAVSO 2108+68
BD+67 1291
HD 202012
HIP 104451
HR 8113
IRC +70168
RAFGL 2721
SAO 19229
TIC 388000857
TYC 4460-2400-1
WISEA J210931.64+682926.7
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Variability type
M
Spectral type
M5.5e-M8.8e
Mag. range
5.2 - 11.0 V
Discoverer
Vitold Ceraski (1878)
Epoch
Outburst
--
Period
388.9 d
Rise/eclipse dur.
54% (210 d)
Remarks
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1
GCVS Team
P var. Max = 2414252 + 386.05d*E (JD2406900 - 20490); Max = 2431086 + 394.93d*E (JD2420490 - 32900); Max = 2440262 + 379.22d*E (JD2432900 - 42200); since JD2442200 Max = 2444171 + 392.7d*E. Mean value of the period is given in the Table. SiO maser.
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References
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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 = -0.50 H = -1.29 K = -1.82 J - K = 1.33
AllWISE
W4 = -3.07
APASS-DR9
B = 8.24 V = 7.09 g' = 7.40 r' = 6.72 B - V = 1.15
Images
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Supporting Documents
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Campaigns/Programs
Legacy LPV Program
LPV Program
LPV Humps
Revision History
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