Y Sgr
Observable Variable Star
Excellent (60/100)
Range: 5.4 - 6.1, Period: 5.8d
HIP 89968
VariableStar
Sgr
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
5.75
Spectral Type
F8I
Star Color
Orange
(B-V 0.94)
Position & Identifiers
RA
18h 21m 23.1s
Dec
-18° 51' 36.0"
Constellation
Sgr
HR
6863
HIP
89968
Variable ID
Y Sgr
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Visibility
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Comparison Stars for Y Sgr (5.4–6.1)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
10.6″
Companion Mag
17.1
Position Angle
204°
Star Colors
A: Orange
Discoverer
EVS 35
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 10.6″ · PA: 204° · 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
CDelta 5.40 - 6.10V, 5.77335d.
Possibly long period.
Survey Image
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