HIP 66640
HIP 66640
DoubleStar
Boo
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
5.57
Spectral Type
F0V
Star Color
Yellow-white
(B-V 0.33)
Distance
296.5 ly
Position & Identifiers
RA
13h 39m 34.6s
Dec
+10° 44' 46.0"
Constellation
Boo
HR
5138
HIP
66640
Double Cat
8987
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
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
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.2″ · PA: 165° · N up, E left
Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
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 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".
Survey Image
Loading survey image…