HIP 74750
Observable Double Star
Fair (25/100)
Sep: 1.2", Companion: mag 8.6
HIP 74750
DoubleStar
Cir
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.73
Spectral Type
B0.5Ve
Star Color
Blue-white
(B-V -0.08)
Position & Identifiers
RA
15h 16m 36.4s
Dec
-60° 54' 14.0"
Constellation
Cir
HR
5661
HIP
74750
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
1.2″
Companion Mag
8.6
Position Angle
164°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
B 1777
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.2″ · PA: 164° · 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
Component C, A5V, optical. Component B, RV -16k/s. CPM with HR 5664.
Sco-Cen assoc.
H alpha variable.
Survey Image
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