HIP 109831
HIP 109831
DoubleStar
Lac
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.71
Spectral Type
A2Vnn
Star Color
White
(B-V 0.00)
Position & Identifiers
RA
22h 14m 44.4s
Dec
+42° 57' 14.0"
Constellation
Lac
HR
8489
HIP
109831
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Visibility
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Multiple Star System
Separation
1.4″
Companion Mag
10.1
Position Angle
299°
Star Colors
A: White
B: Yellow
Discoverer
DCH 119
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.4″ · PA: 299° · 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.
Survey Image
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