Lambda Aqr
HIP 112961; Lambda Aqr; 73 Aqr
DoubleStar
Aqr
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
3.74
Variable Type
Slow Irregular Variable
Spectral Type
M1/2 III
Star Color
Red
(B-V 1.64)
Distance
382.3 ly
Position & Identifiers
RA
22h 52m 36.9s
Dec
-07° 34' 47.0"
Constellation
Aqr
HR
8698
HIP
112961
Bayer
Lambda
Flamsteed
73 Aqr
Variable ID
Lam Aqr
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Visibility
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Multiple Star System
Separation
0.6″
Companion Mag
8.3
Companion Sp
F5V
Position Angle
247°
Star Colors
A: Red
B: Yellow-white
Discoverer
SAO 1
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.6″ · PA: 247° · 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
Lb 3.70 - 3.80V.
Ultraviolet FeII emission.
Occultation diam. = 0.0074".
Survey Image
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