Kitalpha
HIP 104987; Alpha Equ; 8 Equ
HIP 104987; Alpha Equ; 8 Equ
Star
Equ
Visible
Level 1
Naked eye / Binoculars
Physical Properties
Magnitude
3.92
Spectral Type
G6IV + B9.5V
Star Color
Yellow
(B-V 0.53)
Distance
190.2 ly
Position & Identifiers
RA
21h 15m 49.4s
Dec
+05° 14' 52.0"
Constellation
Equ
HR
8131
HIP
104987
Bayer
Alpha
Flamsteed
8 Equ
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Separation
0.0″
Companion Mag
4.7
Companion Sp
A5V
Position Angle
104°
Star Colors
A: Yellow
B: Yellow-white
Discoverer
WRH 35
Eyepiece View
15x
Dawes: 1.9″
TFOV: 3.3°
Realistic = true angular size
Sep: 0.0″ · PA: 104° · N up, E left
Unresolved · 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
Sep. 0.08". May be only single star.
98.81d, K1 15.67k/s, K2 12.49k/s, V0 -17.8k/s, m1sin3i 0.102, m2sin3i 0.127, asini 21.3. | Unresolved by speckle interferometry. vsini both components =<50k/s.
Oxygen deficient relative to magnesium. Also classified G2II-III + A4V.
Kitalpha; Kitel Phard; Kitalphar.
Survey Image
Loading survey image…