Zeta Ursae Minoris — Star in Ursa Minor
Observe
1Physical Properties
Magnitude
4.32
Variable Type
Delta Scuti (Pulsating)
Spectral Type
A3Vn
Star Color
White
(B-V 0.04)
Distance
204 ly
2Position & Identifiers
RA
15h 44m 03.5s
Dec
+77° 47' 40.0"
Constellation
Ursa Minor
(UMi)
HR
5903
HIP
77055
HD
142105
SAO
8328
Bayer
Zeta
Flamsteed
16 UMi
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium+ | Medium+ | Medium |
| 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
Apr – Jun
(peak: May)
5Survey Image
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Explore
7
Size Comparison
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8
Compare Stars
9
Spectral Classification
10
Hertzsprung-Russell Diagram
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11
Stellar Lifecycle
12
Blackbody Spectrum
13
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
14
Stellar Fusion
Discover
15Stellar Notes
Delta Sct?
16
Light Travel Time Machine
17
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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