Name | DS Tuc A b | ||
Planet Status | Confirmed | ||
Discovered in | 2019 | ||
Mass | 0.0453 ( -0.0453 +0.0 ) MJ | ![]() |
+ |
Mass*sin(i) | — | ||
Semi-Major Axis | 0.0795 (± 0.003) AU | ![]() |
+ |
Orbital Period | 8.138268 (± 1e-05) day | ![]() |
+ |
Eccentricity | — | ||
ω | — | ||
Tperi | — | ||
Radius | 0.5085 (± 0.0152) RJ | ![]() |
+ |
Inclination | 88.73 (± 0.18) deg | ![]() |
+ |
Update | 2021-12-09 | ||
Detection Method | Primary Transit | ||
Mass Detection Method | Theoretical | ||
Radius Detection Method | Primary Transit | ||
Primary transit | 2458832.30997 (± 0.00026) JD | ![]() |
+ |
Secondary transit | — | ||
λ | 12.1 ( -2.1 +2.6 ) deg | ![]() |
|
Impact Parameter b | 0.4 ( -0.08 +0.07 ) | ![]() |
|
Time Vr=0 | — | ||
Velocity Semiamplitude K | 3.2 ( -2.2 +1.4 ) m/s | ![]() |
|
Calculated temperature | — | ||
Measured temperature | — | ||
Hottest point longitude | — | ||
Geometric albedo | — | ||
Surface gravity log(g/gH) | — | ||
Alternate Names | HD 222259 A b, TIC 4102214986 b |
Name | DS Tuc A | ||
Distance | 44.12 (± 0.06) pc | ![]() |
|
Spectral type | G6V | ||
Apparent magnitude V | 9.0 | ||
Mass | 0.959 (± 0.031) MSun | ![]() |
|
Age | 0.04 (± 5.0) Gyr | ![]() |
+ |
Effective temperature | 5597.0 ( -59.0 +28.0 ) K | ||
Radius | 0.872 (± 0.027) RSun | ![]() |
|
Metallicity [Fe/H] | -0.08 (± 0.06) | ![]() |
|
Detected Disc | — | ||
Magnetic Field | — | ||
RA2000 | 23:39:40.0 | ||
Dec2000 | -69:11:45 | ||
Alternate Names | |||
Planetary system | 1 planet |
X-ray flares of the young planet host DS Tuc A
2022
PILLITTERI I., ARGIROFFI C., MAGGIO A., MICELA G., BENATTI S. et al.
Astron. & Astrophys., 666, A198
paper arxiv
The Flaring TESS Objects of Interest: Flare Rates for all Two Minute Cadence TESS Planet Candidates
2022
HOWARD W.
MNRAS Letters, 512, L60
paper arxiv
Characterizing Undetected Stellar Companions with Combined Datasets
2021
WOOD M., MANN A. & KRAUS A.
Astron. J., 162, 128
paper arxiv
Constraints on the mass and atmospheric composition and evolution of the low-density young planet DS Tuc A b
2021
BENATTI S., DAMASSO M., BORSA F., LOCCI D., PILLITTERI I. et al.
Astron. & Astrophys., 650, A66
paper arxiv
A search for young exoplanets in Sectors 1-5 of the TESS Full-Frame-Images
2020
BATTLEY M., POLLACCO D. & ARMONSTRONG D.
MNRAS, 496, 1197
paper arxiv
Constraining the entropy of formation from young transiting planets
2020
OWEN J.
MNRAS, 498, 5030
paper arxiv
TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association
2019
NEWTON E., MANN A., TOFFLEMIRE B., PEARCE L., RIZZUTO A. et al.
ApJ. Letters, 880, L17
paper arxiv
A possibly inflated planet around the bright, young star DS Tuc A
2019
BENATTI S., NARDIELLO D., MALAVOLTA L., DESIDERA S., BORSATO L. et al.
Astron. & Astrophys., 630, A81
paper arxiv
A well aligned orbit for the 45 Myr old transiting Neptune DS Tuc Ab
2019
ZHOU G., WINN J., NEWTON E., QUINN S., RODRIGUEZ J. et al.
ApJ. Letters, submitted
arxiv
The Young Planet DS Tuc Ab has a Low Obliquity
2019
MONTET B., FEINSTEIN A., LUGER R., BEDELL M., GULLY-SANTIAGO M. et al.
Astron. J., 159, 112
paper arxiv