HIP 102780
HIP 102780
DoubleStar
Cap
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
6.21
Spectral Type
K3III
Star Color
Red
(B-V 1.42)
Position & Identifiers
RA
20h 49m 20.5s
Dec
-18° 02' 09.0"
Constellation
Cap
HR
7964
HIP
102780
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Visibility
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Multiple Star System
Separation
33.4″
Companion Mag
12.9
Position Angle
251°
Star Colors
A: Red
Discoverer
HJ 3000
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 33.4″ · PA: 251° · 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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