QS Aql
Observable Variable Star
Excellent (62/100)
Range: 5.9 - 6.0, Period: 2.5d, Type: EA
HIP 96840
VariableStar
Aql
Visible
Level 3
Medium telescope (6-8") - Monitor brightness changes
Physical Properties
Magnitude
6.01
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
B5V
Star Color
Blue-white
(B-V -0.08)
Position & Identifiers
RA
19h 41m 05.5s
Dec
+13° 48' 56.0"
Constellation
Aql
HR
7486
HIP
96840
Variable ID
QS Aql
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Visibility
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Comparison Stars for QS Aql (5.9–6.0)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
0.1″
Companion Mag
6.8
Companion Sp
A8IV
Position Angle
319°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
KUI 93
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.1″ · PA: 319° · 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
Primary of visual double, EA 5.93 - 6.05V, 2.513294d. Double unresolved in 1961 when period changed sharply.
Speckle interferometry 1985.5 gives sep. 0.178".
2.4968d, K 47.3k/s, V0 -14.2k/s, asini 1.62. Equal components.
Member of the local association (Pleiades group).
Survey Image
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