7 Aqr
HIP 103401; 7 Aqr
DoubleStar
Aqr
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.51
Spectral Type
gK5
Star Color
Red
(B-V 1.47)
Position & Identifiers
RA
20h 56m 54.0s
Dec
-09° 41' 51.0"
Constellation
Aqr
HR
8015
HIP
103401
Flamsteed
7 Aqr
Double Cat
14449
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Visibility
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Multiple Star System
Components
3
Component IDs
AC
Separation
2.2″
Companion Mag
11.4
Position Angle
166°
Star Colors
A: Red
Discoverer
BU 1034
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.2″ · PA: 166° · 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
AB fixed sep. B, 11.8v at 36".
Survey Image
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