16 Dra
HIP 81290; 16 Dra
DoubleStar
Dra
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.53
Spectral Type
B9.5Vn
Star Color
Blue-white
(B-V -0.07)
Distance
326.2 ly
Position & Identifiers
RA
16h 36m 11.5s
Dec
+52° 54' 01.0"
Constellation
Dra
HR
6184
HIP
81290
Flamsteed
16 Dra
Double Cat
10129
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Visibility
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Multiple Star System
Components
4
Component IDs
AC
Separation
90.3″
Companion Mag
11.2
Position Angle
123°
Star Colors
A: Blue-white
B: Blue-white
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 90.3″ · PA: 123° · 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 6185.
Survey Image
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