Theta Her
HIP 87808; Theta Her; 91 Her
Star
Her
Visible
Level 1
Naked eye / Binoculars
Physical Properties
Magnitude
3.86
Spectral Type
K1IIa CN2
Star Color
Red
(B-V 1.35)
Distance
752.4 ly
Position & Identifiers
RA
17h 56m 15.2s
Dec
+37° 15' 02.0"
Constellation
Her
HR
6695
HIP
87808
Bayer
Theta
Flamsteed
91 Her
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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
Possibly 5 yr. period in He 10830 emission.
Survey Image
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