Omega Ser
HIP 77578; Omega Ser; 34 Ser
DoubleStar
Serpens
(Ser)
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.23
Spectral Type
G8III
Star Color
Orange
(B-V 1.02)
Distance
121 ly
Position & Identifiers
RA
15h 50m 17.5s
Dec
+02° 11' 47.0"
Constellation
Serpens
(Ser)
HR
5888
HIP
77578
Bayer
Omega
Flamsteed
34 Ser
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Visibility
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Multiple Star System
Separation
74.8″
Companion Mag
10.3
Companion Sp
K0
Position Angle
300°
Star Colors
A: Orange
B: Orange
Discoverer
SKF1311
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 74.8″ · PA: 300° · 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
1 known planet
| Planet | Radius | Mass | Period | Distance |
|---|---|---|---|---|
| ome Ser b | 14.00R⊕ | 0.74M♃ | 278.6d | 250ly |
Habitable Zone
Size & Mass Comparison
Stellar Notes
UMa stream.
Also classified A6IVm.
Light Travel Time Machine
Relativistic Travel
Survey Image
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