11 Sgr
HIP 89153; 11 Sgr
DoubleStar
Sgr
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.98
Spectral Type
K0III
Star Color
Orange
(B-V 1.05)
Distance
233.0 ly
Position & Identifiers
RA
18h 11m 43.4s
Dec
-23° 42' 04.0"
Constellation
Sgr
HR
6801
HIP
89153
Flamsteed
11 Sgr
Double Cat
11133
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Visibility
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Multiple Star System
Separation
43.5″
Companion Mag
11.5
Position Angle
287°
Star Colors
A: Orange
Discoverer
HJ 5030
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 43.5″ · PA: 287° · 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
Companion, 11.52V, +0.66(B-V), +0.11(U-B), F8V:
Survey Image
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