Upsilon Carinae — Double Star in Carina
HIP 48002; Upsilon Carinae
Observe
1Physical Properties
Magnitude
6.26
Spectral Type
A8 IB
supergiant
Star Color
Yellow-white
(B-V 0.08)
Distance
1,411 ly
2Position & Identifiers
RA
09h 47m 06.7s
Dec
-65° 04' 21.0"
Constellation
Carina
(Car)
HR
3891
HIP
48002
HD
85123
SAO
250695
Bayer
Upsilon
Querying VizieR catalog...
3How easy to split?
Primary
6.3 mag
Companion
6.0 mag
Separation
5.0″
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| Telescope | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| 80 mm refractor 80mm refr. | Easy | Easy | Easy |
| 150 mm Newton 150mm Newt. | Easy | Easy | Easy |
| 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
Jan – Mar
(peak: Feb)
5Multiple Star System
Separation
5.0″
Companion Mag
6.0
Position Angle
128°
Star Colors
A: Yellow-white
B: Yellow-white
See HR 3890.
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
A: 6.3 · B: 6.0 · Sep: 5.0″ · PA: 128° · N up, E right
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
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
0.003".
Probably blended with HR 3890.
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.
Upsilon Car
HIP 48002; Upsilon Carinae
Easy double, sep 5.1″
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mag 3.01
0.0°
Carina
l Car
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Variable Star
mag 3.69
2.6°
Carina
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mag 11.66
2.8°
Carina
NGC 2808
Globular cluster — dense ball of ancient stars
Globular Cluster
mag 6.3
3.7°
Carina
V376 Car
Easy double, sep 40.1″
Double Star
mag 4.92
8.2°
Carina
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