HIP 20804
HIP 20804
DoubleStar
Tau
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.88
Spectral Type
B8IV
Star Color
White
(B-V 0.05)
Distance
1,087 ly
Position & Identifiers
RA
04h 27m 28.8s
Dec
+11° 12' 45.0"
Constellation
Tau
HR
1402
HIP
20804
Double Cat
3228
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Separation
0.1″
Companion Mag
7.9
Position Angle
69°
Star Colors
A: White
Discoverer
BU 1186
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
Period possibly 19.83d or 20.43d.
Survey Image
Loading survey image…