54 Her
HIP 82802; 54 Her
DoubleStar
Hercules
(Her)
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.35
Spectral Type
K4III
Star Color
Red
(B-V 1.41)
Distance
163 ly
Position & Identifiers
RA
16h 55m 22.2s
Dec
+18° 26' 00.0"
Constellation
Hercules
(Her)
HR
6293
HIP
82802
Flamsteed
54 Her
Double Cat
10262
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
2.4″
Companion Mag
9.6
Position Angle
183°
Star Colors
A: Red
Discoverer
BU 954
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.4″ · PA: 183° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
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 Fusion
Stellar Notes
AC, CPM. C, 12.5v at 93".
Light Travel Time Machine
Relativistic Travel
Survey Image
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