15 Sge
HIP 98819; 15 Sge
DoubleStar
Sge
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
5.80
Spectral Type
G1V
Star Color
Yellow
(B-V 0.61)
Distance
54.4 ly
Position & Identifiers
RA
20h 04m 06.2s
Dec
+17° 04' 12.0"
Constellation
Sge
HR
7672
HIP
98819
Flamsteed
15 Sge
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Visibility
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Multiple Star System
Components
6
Component IDs
AC
Separation
163.2″
Companion Mag
9.5
Companion Sp
L4.5
Position Angle
291°
Star Colors
A: Yellow
Discoverer
STT 592
Eyepiece View
32x
Dawes: 1.9″
TFOV: 1.6°
Realistic = true angular size
Sep: 163.2″ · PA: 291° · 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.
Survey Image
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