HIP 8983 — Double Star in Hydrus
Observe
1Physical Properties
Magnitude
6.06
Spectral Type
F0IV-V
subgiant
Star Color
Yellow-white
(B-V 0.37)
2Position & Identifiers
RA
01h 55m 46.4s
Dec
-60° 51' 41.0"
Constellation
Hydrus
(Hyi)
HR
571
HIP
8983
HD
11995
SAO
248464
Querying VizieR catalog...
3How easy to split?
Primary
6.1 mag
Companion
9.8 mag
Separation
128.8″
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| Telescope | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| 80 mm refractor 80mm refr. | Medium+ | Medium | Medium |
| 150 mm Newton 150mm Newt. | Easy | Easy | Medium+ |
| Celestron C8 (203 mm SCT) C8 203mm | 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
Sep – Nov
(peak: Oct)
5Multiple Star System
Separation
128.8″
Companion Mag
9.8
Position Angle
49°
Star Colors
A: Yellow-white
B: Orange
Discoverer
CVR1734
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
A: 6.1 · B: 9.8 · Sep: 128.8″ · PA: 49° · N up, E right
Resolved · 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.
Achernar
HIP 7588; Alpha Eridani
Bright naked-eye star, mag 0.5
Double Star
mag 0.46
4.3°
Eridanus
NGC 484
Elliptical galaxy
Galaxy
mag 12.23
5.1°
Tucana
Wurren
HIP 5348; Zeta Phoenicis
Eclipsing binary, period 1.7d
Variable Star
mag 3.92
8.4°
Phoenix
Kappa Tuc
Easy double, sep 4.6″
Double Star
mag 4.86
9.0°
Tucana
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