Peacock
HIP 100751; Alpha Pav
HIP 100751; Alpha Pav
DoubleStar
Pav
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
1.94
Spectral Type
B3V
Star Color
Blue
(B-V -0.20)
Distance
178.6 ly
Position & Identifiers
RA
20h 25m 38.9s
Dec
-56° 44' 06.0"
Constellation
Pav
HR
7790
HIP
100751
Bayer
Alpha
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Components
3
Component IDs
AB
Separation
249.4″
Companion Mag
9.1
Position Angle
80°
Star Colors
A: Blue
Discoverer
HJ 5193
Eyepiece View
32x
Dawes: 1.9″
TFOV: 1.6°
Realistic = true angular size
Sep: 249.4″ · PA: 80° · 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
BC, 9.2, 10.2v sep. 17.6".
B0.5, B2, 11.753d, K 7.2k/s, V0 +2.0k/s, asini 1.16.
Color excess E(B-V) = +0.02.
Member of Pleiades group.
Lyman alpha and Lyman beta observed from COPERNICUS.
Peacock.
Diam. = 0.00077 - 0.00080".
Survey Image
Loading survey image…