HIP 74273 — Star in Circinus
Observe
1Physical Properties
Magnitude
6.30
Spectral Type
G2V
Star Color
Yellow
(B-V 0.63)
2Position & Identifiers
RA
15h 10m 44.6s
Dec
-61° 25' 21.0"
Constellation
Circinus
(Cir)
HR
5632
HIP
74273
HD
134060
SAO
253043
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Hard | V. hard+ | V. 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
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Best season
Apr – Jun
(peak: May)
5Survey Image
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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
14
Exoplanets
2 known planets
View in 3D
View this system in the 3D Orrery
Interactive Keplerian orbits, procedural planet textures, habitable zone.
| Planet | Radius | Mass | Period | Distance |
|---|---|---|---|---|
| HD 134060 b | 3.16R⊕ | 10.1M⊕ | 3.3d | 78ly |
| HD 134060 c | 5.91R⊕ | 29.3M⊕ | 3.5yr | 78ly |
Habitable Zone
Size & Mass Comparison
About exoplanets — how we find them and which host stars you can observe
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.
Delta Cir
Hot blue O-type star
Star
mag 5.09
0.9°
Circinus
AX Cir
Pulsating variable, period 5.3d
Variable Star
mag 5.87
3.2°
Circinus
Rigil Kentaurus
HIP 71681; Alpha2 Centauri
Easy double, sep 8.1″
Double Star
mag 1.33
3.8°
Centaurus
NGC 5617
Rich open cluster
Open Cluster
mag 6.3
5.0°
Centaurus
NGC 5938
Barred spiral galaxy
Galaxy
mag 11.49
6.1°
Triangulum Australe
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Article
Circinus
Mythology, bright stars, and deep-sky highlights.
Constellation
