HIP 85020
HIP 85020
DoubleStar
Sco
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
6.41
Spectral Type
B4Ia
Star Color
Yellow
(B-V 0.64)
Position & Identifiers
RA
17h 22m 39.4s
Dec
-37° 48' 18.0"
Constellation
Sco
HR
6450
HIP
85020
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
2.7″
Companion Mag
12.2
Companion Sp
B8V
Position Angle
115°
Star Colors
A: Yellow
B: Blue-white
Discoverer
B 908
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.7″ · PA: 115° · N up, E left
At limit · 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
V magnitudes scatter from 6.31 to 6.44, B-V from +0.61 to +0.89, U-B from +0.01 to -0.30.
Sco-Cen assoc.; in HII region.
NII and MgII indicate different spectral classes. Component B is G type.
Survey Image
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