1 Aqr
HIP 101936; 1 Aqr
DoubleStar
Aqr
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.16
Spectral Type
K1III
Star Color
Orange
(B-V 1.06)
Distance
326.2 ly
Position & Identifiers
RA
20h 39m 24.9s
Dec
+00° 29' 11.0"
Constellation
Aqr
HR
7897
HIP
101936
Flamsteed
1 Aqr
Double Cat
14108
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
65.0″
Companion Mag
12.3
Position Angle
225°
Star Colors
A: Orange
Discoverer
HJ 2984
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 65.0″ · PA: 225° · 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
Both companions optical.
Survey Image
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