HIP 42549
HIP 42549
DoubleStar
Cnc
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.44
Spectral Type
G9III
Star Color
Orange
(B-V 1.02)
Position & Identifiers
RA
08h 40m 22.1s
Dec
+19° 40' 12.0"
Constellation
Cnc
HR
3428
HIP
42549
Double Cat
6921
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Visibility
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Multiple Star System
Components
4
Component IDs
AC
Separation
20.7″
Companion Mag
10.4
Position Angle
55°
Star Colors
A: Orange
Discoverer
STF1254
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 20.7″ · PA: 55° · 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
ACD a physical group: C, 7.70V, +0.20(B-V), +0.16(U-B), Am, vsini <45k/s. D, 9.39V, +0.41(B-V), +0.03(U-B), F5V at | 83". B, 10.37V, +0.59(B-V), +0.11(U-B), G0IV-V at 21", CPM.
NGC 2632 #283.
Also classified K0III.
Survey Image
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