HIP 83150 — Double Star in Triangulum Australe
Observe
1Physical Properties
Magnitude
5.79
Spectral Type
ApSi
Star Color
Yellow-white
(B-V -0.10)
2Position & Identifiers
RA
16h 59m 33.8s
Dec
-69° 16' 06.0"
Constellation
Triangulum Australe
(TrA)
HR
6276
HIP
83150
HD
152564
SAO
253756
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3How easy to split?
Primary
5.8 mag
Companion
8.2 mag
Separation
1.0″
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| Telescope | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| 80 mm refractor 80mm refr. | V. hard | V. hard | V. hard |
| 150 mm Newton 150mm Newt. | Hard | Hard | Hard |
| Celestron C8 (203 mm SCT) C8 203mm | Hard | Hard | Hard |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
To reach "Medium" at Bortle 3, you'd need at least a 270 mm reflector.
4Visibility
Set a location in User Settings to see visibility data.
Best season
Apr – Jun
(peak: May)
5Multiple Star System
Separation
1.0″
Companion Mag
8.2
Position Angle
187°
Star Colors
A: Yellow-white
B: Yellow-white
Discoverer
HDS2404
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
A: 5.8 · B: 8.2 · Sep: 1.0″ · PA: 187° · N up, E right
Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
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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
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.
Atria
HIP 82273; Alpha Trianguli Australis
Bright naked-eye star, mag 1.9
Star
mag 1.92
1.0°
Triangulum Australe
NGC 6362
Globular cluster — dense ball of ancient stars
Globular Cluster
mag 8.3
3.7°
Ara
NGC 6392
Bright spiral galaxy
Galaxy
mag 12.27
3.9°
Apus
S TrA
Pulsating variable, period 6.3d
Variable Star
mag 6.41
8.0°
Triangulum Australe
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