Ashlesha
HIP 43109; Epsilon Hya; 11 Hya
HIP 43109; Epsilon Hya; 11 Hya
DoubleStar
Hya
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
3.38
Range
3.35 - 3.39
Variable Type
BY:
Spectral Type
G7III + A8III-IV:
Star Color
Orange
(B-V 0.68)
Distance
129 ly
Position & Identifiers
RA
08h 46m 46.6s
Dec
+06° 25' 08.0"
Constellation
Hya
HR
3482
HIP
43109
Bayer
Epsilon
Flamsteed
11 Hya
Variable ID
Eps Hya
Double Cat
6993
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Visibility
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Multiple Star System
Components
6
Component IDs
AB
Separation
0.2″
Companion Mag
5.6
Companion Sp
A8V
Position Angle
126°
Star Colors
A: Orange
B: Yellow-white
Discoverer
SP 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 Fusion
Stellar Notes
AB 3.8 G5III, 4.7 A8IV or F0V, 15.05y, a = 0.238". Speckle interferometric sep. 0.263-0.272", 1980-3. Combined mag., | colors. ABxC, 3.4, 7.8, dF7 at 3" from AB, 890y, a = 4.536". Component D, 12.7v at 19" from A, in hyperbolic orbit | about ABC, periastron distance, 29".
ADS 6993B, 5492d, K 7.3k/s, V0 +36.4k/s, asini 437. Secondary period 70d suspected. ADS 6993C, SB 9.9047d, K | 35.0k/s, V0 +31.2, asini 3.74.
Secondary has been classified dF7, later A8IV.
0.018".
Survey Image
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