T Cep
Observable Variable Star
Showpiece (76/100)
Range: 5.2 - 11.3, Period: 388.1d, Type: EA
HIP 104451
VariableStar
Cep
Visible
Level 1
Naked eye / Binoculars - Monitor brightness changes
Physical Properties
Magnitude
7.33
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
M7IIIe
Star Color
Red
(B-V 1.49)
Distance
1630.8 ly
Position & Identifiers
RA
21h 09m 32.0s
Dec
+68° 29' 25.0"
Constellation
Cep
HR
8113
HIP
104451
Variable ID
T Cep
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Comparison Stars for T Cep (5.2–11.3)
Nearby stable stars for estimating brightness (AAVSO)
Loading comparison stars…
Size Comparison
Querying VizieR for stellar data…
Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
Loading HR diagram…
Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
M 5.2 - 11.3v. Period varies; mean period 388.14d, range 379 - 392.7d.
Weak-lined technetium star. SiO source. Also classified M5.5e-M8.8e.
Survey Image
Loading survey image…