Dziban
HIP 86614; Psi1 Dra; 31 Dra
Observable Double Star
Excellent (68/100)
Sep: 30.2", Companion: mag 5.6
HIP 86614; Psi1 Dra; 31 Dra
DoubleStar
Dra
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
4.58
Spectral Type
F5IV-V
Star Color
Yellow-white
(B-V 0.42)
Distance
60.4 ly
Position & Identifiers
RA
17h 41m 56.3s
Dec
+72° 08' 56.0"
Constellation
Dra
HR
6636
HIP
86614
Bayer
Psi1
Flamsteed
31 Dra
Double Cat
10759
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
30.2″
Companion Mag
5.6
Companion Sp
F8V
Position Angle
16°
Star Colors
A: Yellow-white
B: Yellow
Discoverer
STF2241
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 30.2″ · PA: 16° · 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
CPM with HR 6637, not shared with components C,D.
Dsiban; Dziban.
Survey Image
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