TW Hor
Good (52/100)
HIP 14930
VariableStar
Hor
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
5.74
Range
5.52 - 5.95
Period
270 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
C5II
Star Color
Red
(B-V 2.28)
Position & Identifiers
RA
03h 12m 33.2s
Dec
-57° 19' 18.0"
Constellation
Hor
HR
977
HIP
14930
Variable ID
TW Hor
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Light Curve
Comparison Stars for TW Hor (5.5–6.0)
Nearby stable stars for estimating brightness (AAVSO)
Loading comparison stars…
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
SRb 5.52 - 5.95V, about 158d.
Also classified C7,2 (N0).
Survey Image
Loading survey image…