40 Dra
HIP 88127; 40 Dra
DoubleStar
Dra
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
6.04
Spectral Type
F7
Star Color
Yellow
(B-V 0.51)
Distance
130 ly
Position & Identifiers
RA
18h 00m 03.4s
Dec
+80° 00' 03.0"
Constellation
Dra
HR
6809
HIP
88127
Flamsteed
40 Dra
Double Cat
11061
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
19.3″
Companion Mag
6.7
Star Colors
A: Yellow
B: Yellow
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
Binary with HR 6810.
10.5217d, K 46.2k/s, V0 +2.9k/s, msin3i 0.462, asini 6.36.
Survey Image
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