Temperature
5542 K
5414 to 5597.5
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Stellar HostProfile
DS Tuc A
G6 V • 44.06 pc
Records
7
literature rows
Planets
1
system count
References
8
distinct source labels
HD: HD 222259 AHIP: HIP 116748 ATIC: TIC 410214986
Approximate color
from effective temperature
Canonical Summary
Adopted host values from one source row
Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.
Stellar source: Benatti et al. 2019 • System source: TICv8
Mass
0.96 Msun
0.94 to 1.01
Radius
0.87 Rsun
0.87 to 0.96
Age
0.04 Gyr
0.04 to 0.04
Distance
44.06 pc
single adopted value
Spectral Type
G6 V
Consistent across records
Planets
1
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 0.87 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
DS Tuc A
0.87 R☉
System Layout
Known planets
1 planets linked to this host
DS Tuc A b
Transit
◌
Discovery
2019
Period
8.14 days
Radius
5.70 R⊕
Mass
—
Eq. Temp
850 K
DS Tuc A and Its Young Planet
DS Tuc A is a G6 V star 144 light-years away. It is a very young star, with an age of 0.04 billion years. Its mass is 0.959 solar masses and its radius is 0.872 solar radii. Its temperature is 5540 K, cooler than the Sun's. One planet is known to orbit this host.
That planet, DS Tuc A b, was discovered by transit in 2019. It is a Jupiter-like planet, with a radius of 5.7 Earth radii, larger than Earth's. Its orbital period is 8.14 days.
Provenance
Underlying measurements and references
Evidence Summary
Rows
7
Stellar refs
7
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agedisputed
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
Spectral Typestable
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5414 | — | 0.95 | — | — | — | 44.06 | ExoFOP | TICv8 |
| — | — | — | — | — | — | 44.06 | Nordstrom et al. 2004 | TICv8 |
| 5414 | 0.94 | 0.95 | — | -0.15 | — | 44.06 | TICv8 | TICv8 |
| 5597.5 | — | 0.88 | — | -0.16 | — | 44.06 | Gaia DR2 | TICv8 |
| — | — | — | — | — | — | 44.06 | Henry et al. 1996 | TICv8 |
| 5542 | 0.96 | 0.87 | 0.04 | — | G6 V | 44.06 | Benatti et al. 2019 | TICv8 |
| 5428 | 1.01 | 0.96 | 0.04 | -0.14 | G6 V | 44.06 | Newton et al. 2019 | TICv8 |