HIP 106886
HIP 106886
Star
Cep
Visible
Level 2
Small telescope (4")
Physical Properties
Magnitude
5.62
Spectral Type
O6.5V((f))
Star Color
Yellow-white
(B-V 0.21)
Position & Identifiers
RA
21h 38m 57.6s
Dec
+57° 29' 21.0"
Constellation
Cep
HR
8281
HIP
106886
Double Cat
15184
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System C,D: optical
Components
5
Component IDs
AC
Separation
1.8″
Companion Mag
13.3
Companion Sp
O9V
Position Angle
319°
Star Colors
A: Yellow-white
B: Blue
Discoverer
BU 1143
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 Fusion
Stellar Notes
AC fixed. C, 8.05V, +0.23(B-V), -0.68(U-B), B1.5V at 12", vsini 80k/s. AD also fixed. D, 8.03V, +0.20(B-V), -0.72(U-B), | B2IV at 20", vsini 270k/s. In earlier sources C is brighter than D.
ADS 15184A, 3.7098d, K1 103.7k/s, K2 298k/s, V0 -6.4k/s, m1sin3i 18.7, m2sin3i 6.5, | a1sini 5.27, a2sini 15.
Cep OB2; exciting star of HII region S131; in cluster TR 37.
Survey Image
Loading survey image…