Omega For
Observable Double Star
Excellent (64/100)
Sep: 11.0", Companion: mag 7.7
HIP 11918; Omega For
DoubleStar
For
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
4.90
Spectral Type
B9.5V
Star Color
Blue-white
(B-V -0.05)
Position & Identifiers
RA
02h 33m 50.7s
Dec
-28° 13' 57.0"
Constellation
For
HR
749
HIP
11918
Bayer
Omega
Double Cat
1954
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Separation
11.0″
Companion Mag
7.7
Position Angle
246°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
HJ 3506
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 11.0″ · PA: 246° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
Querying VizieR for stellar data…
Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
Loading HR diagram…
Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
Companion 7.83V, +0.20(B-V), +0.15(U-B), A7V or A3Vm; vsini 167k/s. Probably optical.
Survey Image
Loading survey image…