Beta Tuc
HIP 2484; Beta1 Tuc
HIP 2484; Beta1 Tuc
DoubleStar
Tuc
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
4.37
Spectral Type
B9V
Star Color
Blue-white
(B-V -0.07)
Distance
108.7 ly
Position & Identifiers
RA
00h 31m 32.7s
Dec
-62° 57' 29.0"
Constellation
Tuc
HR
126
HIP
2484
Bayer
Beta1
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Components
6
Component IDs
AC
Separation
2.6″
Companion Mag
13.5
Position Angle
153°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
B 7
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 2.6″ · PA: 153° · N up, E left
At limit · 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
CPM with HR 127 of which both are close binaries. Also CPM with HR 136. Faint companion at 14".
Pleiades group.
Survey Image
Loading survey image…