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HIP 66640

HIP 66640 DoubleStar Boötes (Boo) Visible Level 6 Professional/Research - Requires steady seeing
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Physical Properties

Magnitude 5.57
Spectral Type F0V
Star Color Yellow-white (B-V 0.33)
Distance 297 ly

Position & Identifiers

RA 13h 39m 34.6s
Dec +10° 44' 46.0"
Constellation Boötes (Boo)
HR 5138
HIP 66640
Double Cat 8987

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Multiple Star System

Components 3
Component IDs AB
Separation 0.2″
Companion Mag 6.5
Position Angle 165°
Star Colors A: Yellow-white B: Yellow
Discoverer BU 612

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Stellar Notes

AB 6.3 F0IV, 6.3 F2IV, 22.35y, a = 0.208". Combined mag., colors. Masses 7 and 6 solar.
Also classified F1Vn, F2IV, F3Vn.
0.018".

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