3 Mon
Observable Double Star
Good (49/100)
Sep: 2.0", Companion: mag 8.0
HIP 28574; 3 Mon
DoubleStar
Mon
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
4.95
Spectral Type
B5III
Star Color
Blue-white
(B-V -0.12)
Distance
1087.2 ly
Position & Identifiers
RA
06h 01m 50.4s
Dec
-10° 35' 53.0"
Constellation
Mon
HR
2128
HIP
28574
Flamsteed
3 Mon
Double Cat
4615
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Visibility
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Multiple Star System
Separation
2.0″
Companion Mag
8.0
Position Angle
354°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
BU 16
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.0″ · PA: 354° · 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
Binary.
ADS 4615A.
Survey Image
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