HIP 18805
HIP 18805
DoubleStar
Tau
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.67
Spectral Type
B5V
Star Color
White
(B-V 0.02)
Position & Identifiers
RA
04h 01m 46.1s
Dec
+09° 59' 52.0"
Constellation
Tau
HR
1243
HIP
18805
Double Cat
2938
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Components
3
Component IDs
AB
Separation
11.9″
Companion Mag
11.2
Position Angle
230°
Star Colors
A: White
B: Yellow-white
Discoverer
STT 70
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 11.9″ · PA: 230° · 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
Component B, F8V, optical. Third component mag. diff 6.13v, at 100".
Survey Image
Loading survey image…