HIP 87390
HIP 87390
DoubleStar
Sco
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.96
Spectral Type
M2III
Star Color
Red
(B-V 1.59)
Position & Identifiers
RA
17h 51m 32.8s
Dec
-40° 46' 21.0"
Constellation
Sco
HR
6643
HIP
87390
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Visibility
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Multiple Star System
Separation
21.6″
Companion Mag
12.5
Position Angle
181°
Star Colors
A: Red
Discoverer
HDO 281
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 21.6″ · PA: 181° · 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
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Survey Image
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