Iota Arietis — Double Star in Aries
Observe
1Physical Properties
Magnitude
5.10
Spectral Type
K1p
Star Color
Orange
(B-V 0.92)
2Position & Identifiers
RA
01h 57m 21.1s
Dec
+17° 49' 03.0"
Constellation
Aries
(Ari)
HR
563
HIP
9110
HD
11909
SAO
92721
Bayer
Iota
Flamsteed
8 Ari
Querying VizieR catalog...
3How easy to spot?
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Medium | Hard+ | 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
Set a location in User Settings to see visibility data.
Best season
Sep – Nov
(peak: Oct)
5Multiple Star System
Separation
0.1″
Companion Mag
6.4
Position Angle
-1°
Star Colors
A: Orange
Discoverer
OCC 182
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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
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14Stellar Notes
1567.66d, K 10.8k/s, V0 -4.9k/s, asini 217, 5.4, 6.4v, sep. 0.01", unresolved by speckle interferometry.
Also classified G2Ib-II.
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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