40 LMi
HIP 52422; 40 LMi
DoubleStar
LMi
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.51
Spectral Type
A4Vn
Star Color
Yellow-white
(B-V 0.17)
Position & Identifiers
RA
10h 43m 01.8s
Dec
+26° 19' 32.0"
Constellation
LMi
HR
4189
HIP
52422
Flamsteed
40 LMi
Double Cat
7899
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
23.8″
Companion Mag
12.6
Position Angle
108°
Star Colors
A: Yellow-white
Discoverer
BU 913
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 23.8″ · PA: 108° · 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
Companions optical.
Survey Image
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