Ed Asich
HIP 75458; Iota Dra; 12 Dra
HIP 75458; Iota Dra; 12 Dra
DoubleStar
Draco
(Dra)
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.29
Range
3.29 - 3.31
Variable Type
ORG
Spectral Type
K2III
Star Color
Red
(B-V 1.16)
Distance
101 ly
Position & Identifiers
RA
15h 24m 55.8s
Dec
+58° 57' 58.0"
Constellation
Draco
(Dra)
HR
5744
HIP
75458
Bayer
Iota
Flamsteed
12 Dra
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Visibility
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Multiple Star System
Separation
252.6″
Companion Mag
8.9
Position Angle
49°
Star Colors
A: Red
Discoverer
BUP 162
Eyepiece View
32x
Dawes: 1.9″
TFOV: 1.6°
Realistic = true angular size
Sep: 252.6″ · PA: 49° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Fusion
Exoplanets
2 known planets
| Planet | Radius | Mass | Period | Distance |
|---|---|---|---|---|
| iot Dra b | 12.40R⊕ | 11.82M♃ | 1.4yr | 102ly |
| iot Dra c | 12.20R⊕ | 15.60M♃ | 68.4yr | 102ly |
Habitable Zone
Size & Mass Comparison
Stellar Notes
Ed Asich; Eldsich; Al Dhiba; Al Dhihi.
Light Travel Time Machine
Relativistic Travel
Survey Image
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