HIP 109745
HIP 109745
DoubleStar
Lac
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.53
Spectral Type
A0III
Star Color
White
(B-V 0.04)
Position & Identifiers
RA
22h 13m 49.3s
Dec
+45° 26' 27.0"
Constellation
Lac
HR
8487
HIP
109745
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Visibility
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Multiple Star System
Separation
1.5″
Companion Mag
9.4
Position Angle
16°
Star Colors
A: White
B: Yellow
Discoverer
DCH 118
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.5″ · PA: 16° · 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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