13 Lyr
Excellent (73/100)
HIP 92862; 13 Lyr
VariableStar
Lyr
Visible
Level 1
Naked eye / Binoculars - Monitor brightness changes
Physical Properties
Magnitude
4.04
Range
3.81 - 4.44
Period
46 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
M5III
Star Color
Red
(B-V 1.59)
Position & Identifiers
RA
18h 55m 20.1s
Dec
+43° 56' 46.0"
Constellation
Lyr
HR
7157
HIP
92862
Flamsteed
13 Lyr
Variable ID
R Lyr
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Visibility
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Light Curve
Comparison Stars for 13 Lyr (3.9–5.0)
Nearby stable stars for estimating brightness (AAVSO)
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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 Fusion
Stellar Notes
SRb 3.88 - 5.0V, 46.0d.
Variation in RV at one time interpreted as possibly due to a triple system: ab 41.3d, K 3.95k/s, V0 -36.6k/s, asini | 2.235; and abxc 5 yrs., K 4.55k/s, V0 -31.8k/s, asini 97.683.
Hyades group.
H2O absorption.
Survey Image
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