17 Hya
HIP 43822; 17 Hya
DoubleStar
Hya
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.67
Spectral Type
A2m
Star Color
Yellow-white
(B-V 0.22)
Distance
815.4 ly
Position & Identifiers
RA
08h 55m 29.6s
Dec
-07° 58' 16.0"
Constellation
Hya
HR
3553
HIP
43822
Flamsteed
17 Hya
Double Cat
7093
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Visibility
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Multiple Star System
Separation
4.0″
Companion Mag
6.9
Companion Sp
A7m
Position Angle
4°
Star Colors
A: Yellow-white
B: Yellow-white
Discoverer
STF1295
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 4.0″ · PA: 4° · 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
Binary with HR 3552. Colors for combined light. Blended mag., 6.08V. Levato indicates spectral classes G5III+A0V, both | vsini =<50k/s.
Survey Image
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