Dziban
HIP 86614; Psi1 Dra; 31 Dra
Excellent (68/100)
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 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 D: optical
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 Fusion
Stellar Notes
CPM with HR 6637, not shared with components C,D.
Dsiban; Dziban.
Survey Image
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