15 Hya
Observable Double Star
Fair (27/100)
Sep: 1.2", Companion: mag 7.4
HIP 43496; 15 Hya
DoubleStar
Hya
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.54
Spectral Type
A4m
Star Color
Yellow-white
(B-V 0.15)
Distance
296.5 ly
Position & Identifiers
RA
08h 51m 34.5s
Dec
-07° 10' 38.0"
Constellation
Hya
HR
3523
HIP
43496
Flamsteed
15 Hya
Double Cat
7050
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
1.2″
Companion Mag
7.4
Position Angle
118°
Star Colors
A: Yellow-white
B: Yellow
Discoverer
BU 587
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.2″ · PA: 118° · 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
ADS 7050. Uncertain which component varies. B-A discordant by over 2.0v.
AB binary. Other components optical.
ADS 7050A. vsini of secondary 45k/s.
Survey Image
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