17 Lyr
HIP 93917; 17 Lyr
DoubleStar
Lyr
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.23
Spectral Type
F0V
Star Color
Yellow-white
(B-V 0.34)
Distance
191.9 ly
Position & Identifiers
RA
19h 07m 25.6s
Dec
+32° 30' 06.0"
Constellation
Lyr
HR
7261
HIP
93917
Flamsteed
17 Lyr
Double Cat
12061
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Visibility
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Multiple Star System
Components
10
Component IDs
AB
Separation
3.2″
Companion Mag
9.1
Companion Sp
M3V
Position Angle
281°
Star Colors
A: Yellow-white
B: Red
Discoverer
STF2461
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 3.2″ · PA: 281° · 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
AB binary. Other companions probably optical.
ADS 12061A, 49.09d, K 11.9k/s, V0 -35.2k/s, asini 7.05. Orbit questioned by Morbey and Griffin (1987, ApJ, 317, | 343).
0.028".
Survey Image
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