3 Mon
Good (49/100)
HIP 28574; 3 Mon
DoubleStar
Monoceros
(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
1,087 ly
Position & Identifiers
RA
06h 01m 50.4s
Dec
-10° 35' 53.0"
Constellation
Monoceros
(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
At limit · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
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 Fusion
Stellar Notes
Binary.
ADS 4615A.
Light Travel Time Machine
Relativistic Travel
Survey Image
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