Epsilon Dra
Observable Double Star
Good (55/100)
Sep: 3.1", Companion: mag 6.9
HIP 97433; Epsilon Dra; 63 Dra
DoubleStar
Dra
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
3.83
Spectral Type
G7IIIb Fe-1
Star Color
Orange
(B-V 0.89)
Distance
147.9 ly
Position & Identifiers
RA
19h 48m 10.4s
Dec
+70° 16' 04.0"
Constellation
Dra
HR
7582
HIP
97433
Bayer
Epsilon
Flamsteed
63 Dra
Double Cat
13007
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Visibility
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Multiple Star System
Separation
3.1″
Companion Mag
6.9
Position Angle
21°
Star Colors
A: Orange
Discoverer
STF2603
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 3.1″ · PA: 21° · N up, E left
Resolved · 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
Binary, companion K5III (AJ, 82, 431, 1977). However, Buscombe points out that the companion is F6V and this is more | consistent with the magnitude difference between the components, if physical.
0.012".
Tyl.
Survey Image
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