Pi Cnc
HIP 45170; Pi Cnc; 81 Cnc
HIP 45170; Pi Cnc; 81 Cnc
DoubleStar
Cnc
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
6.51
Spectral Type
G9V
Star Color
Orange
(B-V 0.73)
Distance
51.0 ly
Position & Identifiers
RA
09h 12m 17.6s
Dec
+14° 59' 46.0"
Constellation
Cnc
HR
3650
HIP
45170
Bayer
Pi
Flamsteed
81 Cnc
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Visibility
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Multiple Star System
Components
4
Component IDs
AP
Separation
90.5″
Companion Mag
14.2
Position Angle
117°
Star Colors
A: Orange
Discoverer
BUP 125
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 90.5″ · PA: 117° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
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 Notes
AP 7.2 G9V, 7.2 G9V, 2.65y, a = 0.126". Resolved by speckle interferometry 1983.94, sep. 0.17". Combined mag., | colors.
Survey Image
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