Lambda CrA
HIP 91875; Lambda CrA
DoubleStar
CrA
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
5.13
Spectral Type
A2Vn
Star Color
White
(B-V 0.09)
Distance
135.9 ly
Position & Identifiers
RA
18h 43m 46.9s
Dec
-38° 19' 25.0"
Constellation
CrA
HR
7021
HIP
91875
Bayer
Lambda
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
29.5″
Companion Mag
10.0
Position Angle
213°
Star Colors
A: White
B: Orange
Discoverer
COO 227
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 29.5″ · PA: 213° · 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
Amp. 0.07V.
Component B, K0.
Survey Image
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