HIP 42430 — Double Star in Pyxis
Observe
1Physical Properties
Magnitude
5.05
Spectral Type
G6IV
subgiant
Star Color
Orange
(B-V 0.73)
Distance
52 ly
2Position & Identifiers
RA
08h 39m 08.0s
Dec
-22° 39' 43.0"
Constellation
Pyxis
(Pyx)
HR
3430
HIP
42430
HD
73752
SAO
176226
Double Cat
6914
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium | Hard+ | Hard+ |
| 50 mm finder 50mm finder | Easy | Easy | Easy |
| 150 mm telescope 150mm scope | Easy | Easy | Easy |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
Set a location in User Settings to see visibility data.
Best season
Dec – Feb
(peak: Jan)
5Multiple Star System Triple C: optical
Components
3 (triple)
Component IDs
AB
Separation
0.3″
Companion Mag
6.8
Position Angle
61°
Star Colors
A: Orange
B: Orange
Discoverer
BU 208
AB 5.3 G3V, 6.7 K0V, 145.0y, a = 1.700" or 140.0y, a = 1.8884". Combined mag., colors.
Separation over time
Period: 127.3 y
Eccentricity: 0.298
Now: 0.28", PA 83°
-0.00" in 5 years
Apparent separation over time, computed from ORB6 orbital elements. Steep curves indicate fast-changing pairs — catch them while they're splittable.
Explore
6
Size Comparison
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7
Compare Stars
8
Spectral Classification
9
Hertzsprung-Russell Diagram
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10
Stellar Lifecycle
11
Blackbody Spectrum
12
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
13
Stellar Fusion
Discover
14Stellar Notes
0.041".
15
Light Travel Time Machine
16
Relativistic Travel
Nearby in the Sky
Other targets within a few degrees — pan your scope a little and keep exploring.
Visibility scores assume a 150 mm Newton at Bortle 4.
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