Planet DS Tuc A b

Detailed information about planet DS Tuc A b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

DS Tuc A b

Planet Status

Confirmed

Discovered in

2019

Publication Status

Published in a refereed paper

Update

2021-12-09

Mass

0.0453 (\begin{matrix} + 0.0 \\ - 0.0453 \end{matrix})

M_J 2 publications

Constraints on the mass and atmospheric composition and evolution of the low-density young planet DS Tuc A b
TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association

Mass*sin(i)

—

Semi-Major Axis

0.0795 (\pm 0.003)

AU 2 publications

A possibly inflated planet around the bright, young star DS Tuc A
TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association

Orbital Period

8.138268 (\pm 1e-05)

day 2 publications

TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association
A possibly inflated planet around the bright, young star DS Tuc A

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

0.5085 (\pm 0.0152)

R_J 2 publications

A possibly inflated planet around the bright, young star DS Tuc A
TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association

Inclination

88.73 (\pm 0.18)

deg 2 publications

Constraints on the mass and atmospheric composition and evolution of the low-density young planet DS Tuc A b
A possibly inflated planet around the bright, young star DS Tuc A

Detection Method

Primary Transit

Mass Meas. Method

Theoretical

Radius Meas. Method

Primary Transit

Primary transit

2458832.30997 (\pm 0.00026)

JD 2 publications

TESS Hunt for Young and Maturing Exoplanets (THYME): A planet in the 45 Myr Tucana-Horologium association
A possibly inflated planet around the bright, young star DS Tuc A

Secondary transit

—

λ

12.1 (\begin{matrix} + 2.6 \\ - 2.1 \end{matrix})

deg 1 publication

Constraints on the mass and atmospheric composition and evolution of the low-density young planet DS Tuc A b

Impact Parameter b

0.4 (\begin{matrix} + 0.07 \\ - 0.08 \end{matrix})

1 publication

A possibly inflated planet around the bright, young star DS Tuc A

Time V_r=0

—

Velocity Semiamplitude K

3.2 (\begin{matrix} + 1.4 \\ - 2.2 \end{matrix})

m/s 1 publication

Constraints on the mass and atmospheric composition and evolution of the low-density young planet DS Tuc A b

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

HD 222259 A b, TIC 4102214986 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

No remarks

No link

Star

Name

DS Tuc A

Distance

44.12 (\pm 0.06)

pc 1 publication

A possibly inflated planet around the bright, young star DS Tuc A

Spectral type

G6V

Apparent magnitude V

9.0

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.959 (\pm 0.031)

M_Sun 1 publication

A possibly inflated planet around the bright, young star DS Tuc A

Age

0.04 (\pm 5.0)

Gyr 2 publications

A possibly inflated planet around the bright, young star DS Tuc A
A possibly inflated planet around the bright, young star DS Tuc A

Effective temperature

5597.0 (\begin{matrix} + 28.0 \\ - 59.0 \end{matrix})

Radius

0.872 (\pm 0.027)

R_Sun 1 publication

A possibly inflated planet around the bright, young star DS Tuc A

Metallicity [Fe/H]

-0.08 (\pm 0.06)

1 publication

A possibly inflated planet around the bright, young star DS Tuc A

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

23:39:40.0

Dec₂₀₀₀

-69:11:45.0

Alternate Names

27 March 2020 DS Tuc A has a 0.84 M_Sun companion at 5,364 mas (Pearce et al. 2020 arxiv)

No link

Simbad

Most recent references (ADS)

Related publications

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

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

Characterizing Undetected Stellar Companions with Combined Datasets

2021 WOOD M., MANN A. & KRAUS A.
Astron. J. , 162 , 128
paper arxiv

Constraining the entropy of formation from young transiting planets

2020 OWEN J.
MNRAS , 498 , 5030
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

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

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 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