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TW Hydrae
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Star TW Hydrae

T Tauri star TW Hydrae is located 196 light years away from the Sun. It is a single star of spectral class K6, that has 80 % of solar mass. There is at least one exoplanet in this system.
Sun distance
196 light years

TW Hydrae

T Tauri star (spectral class K6)

Location

Ascension iconRight ascension: 11h 1m 51.825s
Declination iconDeclination: -34° 42' 17.256'' (southern hemisphere)
Parallax iconParallax: 16.629
Distance iconSun distance: 196.138 ly | 60.1 pc

Basic characteristic

icon weight
Mass: 80 % M Sun | 838 M Jupiter
radius icon
Size: 111 % R Sun | 11 R Jupiter
temperature iconTemperature: 4000 K | 0.69 T Sun
time iconAge: 0.008 billions years | 0 Sun
luminosity iconLuminosity: 0.28 L Sun

2 exoplanets

TW Hydrae disc n/a -
TW Hydrae b
unconfirmed
22 AU 23.7 M 4.3 R -

Photometry

5
10
15
20
25
30
35
K
2.1
H
1.6
J
1.2
Grp
0.8
I
0.8
G
0.6
V
0.5
Gbp
0.5
B
0.4
U
0.3
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).
More about TW Hydrae
Star TW Hydrae is is approximately 11 % bigger than the Sun and temperature on its surface is around 4000 K (3727 °C), which is about 69 % of Sun's temperature.
       TW Hydrae can be found in southern celestial hemisphere, however it is too dim to be seen with the naked eye or even a small telescope. 
Other designations of this star
TWA 1, TW Hya, CD−34° 7151, HIP 53911, Gaia DR3 5401795662560500352
External sources
icon study
Stable accretion in young stars: The cases of EX Lupi and TW Hya
Scientific study, Accepted: 04. 10. 2023
icon study
Deep Search For Molecular Oxygen in TW Hya
Scientific study, Accepted: 08. 09. 2023
gaia icon
Gaia database (Gaia DR3 5401795662560500352)
Archive from the Gaia mission
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