HIP 100069
Observable Double Star
Good (54/100)
Sep: 2.9", Companion: mag 8.2
HIP 100069
DoubleStar
Cyg
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.84
Spectral Type
O9V
Star Color
White
(B-V 0.10)
Distance
465.9 ly
Position & Identifiers
RA
20h 18m 07.0s
Dec
+40° 43' 56.0"
Constellation
Cyg
HR
7767
HIP
100069
Double Cat
13672
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Components
5
Component IDs
AB
Separation
2.9″
Companion Mag
8.2
Companion Sp
B1.5
Position Angle
245°
Star Colors
A: White
B: Blue
Discoverer
STF2666
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.9″ · PA: 245° · N up, E left
At limit · 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
AB binary. C, at 34", 11.11V, +0.19(B-V), -0.29(U-B), B7Vp:, vsini 340k/s. D at about 45", 11.17V, +0.19(B-V), | -0.32(U-B), B8Vp:, physical, vsini 279k/s. Primary is speckle binary, sep. 0.047".
In HII reg. Ma 482.
Also classified O8.5V, O8.5III and O9V:((n)).
0.004".
Survey Image
Loading survey image…