14 Cep
Observable Variable Star
Good (50/100)
Range: 5.6 - 5.7, Period: 3.1d, Type: Ell
HIP 108772; 14 Cep
VariableStar
Cep
Visible
Level 3
Medium telescope (6-8") - Monitor brightness changes
Physical Properties
Magnitude
5.56
Variable Type
Ellipsoidal Variable
Spectral Type
O9Vn
Star Color
White
(B-V 0.06)
Position & Identifiers
RA
22h 02m 04.6s
Dec
+58° 00' 02.0"
Constellation
Cep
HR
8406
HIP
108772
Flamsteed
14 Cep
Variable ID
LZ Cep
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Visibility
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Comparison Stars for 14 Cep (5.6–5.7)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
2.8″
Companion Mag
15.0
Companion Sp
O9V
Position Angle
358°
Star Colors
A: White
B: Blue
Discoverer
TRN 34
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.8″ · PA: 358° · N up, E left
At limit · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
Ell 5.56 - 5.66B, 3.070510d.
3.0705d, K1 98.0k/s, K2 207.4k/s, V0 -7.1k/s, m1sin3i 6.16, m2sin3i 2.91, a1sini 4.14, | a2sini 8.75. Mass transfer between components. Secondary overluminous for its mass.
NGC 457; Cep OB2.
Also classified O8.5III + O9V:.
Identifed as Mu Cep in "Uranometria Nova". This is as consistent with the Bayer Mu as HR 8316, but nearly | all other sources abide by the identification of Mu Cep as HR 8316. See HR 8316, HR 8371.
Survey Image
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