XY Lyr
Good (58/100)
HIP 91373
VariableStar
Lyr
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
6.04
Range
5.60 - 6.60
Period
120 days
Variable Type
Semi-Regular Variable (Supergiant)
Spectral Type
M4.5-M5+II
Star Color
Red
(B-V 1.65)
Position & Identifiers
RA
18h 38m 06.5s
Dec
+39° 40' 05.0"
Constellation
Lyr
HR
7009
HIP
91373
Variable ID
XY Lyr
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Light Curve
Comparison Stars for XY Lyr (5.8–6.3)
Nearby stable stars for estimating brightness (AAVSO)
Loading comparison stars…
Size Comparison
Querying VizieR for stellar data…
Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
Loading HR diagram…
Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Fusion
Stellar Notes
Lc 5.80 - 6.35V, 7.3 - 7.8p.
H2O absorption.
Survey Image
Loading survey image…