HIP 77645
HIP 77645
DoubleStar
Nor
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
5.73
Spectral Type
B2II
Star Color
White
(B-V 0.06)
Position & Identifiers
RA
15h 51m 06.8s
Dec
-55° 03' 21.0"
Constellation
Nor
HR
5873
HIP
77645
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
16.2″
Companion Mag
9.1
Position Angle
12°
Star Colors
A: White
B: Yellow
Discoverer
DUN 193
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 16.2″ · PA: 12° · 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
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
Component B, K0V. Third component optical.
Doubtful member of the Sco-Cen cluster; upper Cen group of Sco-Cen assoc.; in Norma dark cloud.
Survey Image
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