Lambda Ari
Observable Double Star
Excellent (62/100)
Sep: 37.3", Companion: mag 6.7
HIP 9153; Lambda Ari; 9 Ari
DoubleStar
Ari
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
4.79
Spectral Type
F0V
Star Color
Yellow-white
(B-V 0.28)
Distance
116.5 ly
Position & Identifiers
RA
01h 57m 55.7s
Dec
+23° 35' 46.0"
Constellation
Ari
HR
569
HIP
9153
Bayer
Lambda
Flamsteed
9 Ari
Double Cat
1563
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
37.3″
Companion Mag
6.7
Companion Sp
F7V
Position Angle
48°
Star Colors
A: Yellow-white
B: Yellow
Discoverer
H 5 12
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 37.3″ · PA: 48° · 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
ADS 1563B; Cst? 7.30 - 740V.
ADS 1563B, 7.40V, +0.58(B-V), +0.07(U-B), dG1, CPM; vsini =<25k/s.
Survey Image
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