HIP 66400
Observable Double Star
Excellent (69/100)
Sep: 10.2", Companion: mag 6.6
HIP 66400
DoubleStar
Hya
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
5.78
Spectral Type
A7III
Star Color
Yellow-white
(B-V 0.22)
Distance
155.3 ly
Position & Identifiers
RA
13h 36m 48.4s
Dec
-26° 29' 42.0"
Constellation
Hya
HR
5120
HIP
66400
Double Cat
8966
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
10.2″
Companion Mag
6.6
Position Angle
190°
Star Colors
A: Yellow-white
B: Yellow-white
Discoverer
H N 69
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 10.2″ · PA: 190° · 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
AB binary. B is A7IV.
Hyades group.
0.010".
Survey Image
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