HIP 81854
HIP 81854
DoubleStar
UMi
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.98
Spectral Type
F4V
Star Color
Yellow-white
(B-V 0.42)
Distance
108.7 ly
Position & Identifiers
RA
16h 43m 06.0s
Dec
+77° 30' 51.0"
Constellation
UMi
HR
6267
HIP
81854
Double Cat
10214
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
2.4″
Companion Mag
10.2
Position Angle
175°
Star Colors
A: Yellow-white
B: Orange
Discoverer
KU 1
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.4″ · PA: 175° · N up, E left
Unresolved · 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
AB, CPM.
Survey Image
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