HIP 865
HIP 865
DoubleStar
Tuc
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
6.64
Spectral Type
F2V+F6V
Star Color
Yellow-white
(B-V 0.37)
Position & Identifiers
RA
00h 10m 38.6s
Dec
-73° 13' 28.0"
Constellation
Tuc
HR
32
HIP
865
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
0.5″
Companion Mag
8.6
Companion Sp
F6V
Position Angle
194°
Star Colors
A: Yellow-white
B: Yellow
Discoverer
I 43
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.5″ · PA: 194° · 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, combined mag., color. Component B, 8.2 F3/5 IV, HD 662. C, 14v at 20".
Survey Image
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