EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 703 (November 2025) A&A, 703 (2025) A65 Full HTML
Open Access

Table 2

Physical properties of TWA 27A and TWA 28 from different studies.

Target Teff (K) Radius (RJup) log g (cgs) Mass (MJup)
Venuti et al. (2019)
TWA 27A 2640 ± 20 3.41 3.75 ± 0.14 19.9 ± 6.3
TWA 28 2660 ± 70 2.82 4.10 ± 0.30 21.0 ± 5.2
Manjavacas et al. (2024)
ATMO
TWA 27A 2600 ± 100 2.70 ± 0.21 4.0 ± 0.5 28.1−19.8+61.8$\[28.1_{-19.8}^{+61.8}\]$
TWA 28 2400 ± 100 2.90 ± 0.24 4.0 ± 0.5 32.0−22.2+67.0$\[32.0_{-22.2}^{+67.0}\]$
BT-Settl
TWA 27A 2605 ± 100 2.70 ± 0.20 4.0 ± 0.5 29.3−19.8+62.8$\[29.3_{-19.8}^{+62.8}\]$
TWA 28 2577 ± 100 2.55 ± 0.19 4.0 ± 0.5 26.0−16.9+53.5$\[26.0_{-16.9}^{+53.5}\]$
This work
0.97–5.27 μm
TWA 27A 2692 ± 3 3.08 ± 0.01 4.32 ± 0.03 80.5−5.6+6.6$\[80.5_{-5.6}^{+6.6}\]$
TWA 28 2594 ± 2 3.10 ± 0.01 4.44 ± 0.02 105.7−4.3+5.4$\[105.7_{-4.3}^{+5.4}\]$
1.63–5.27 μm
TWA 27A − 3.11 ± 0.01 3.64 ± 0.04 16.9−1.2+1.4$\[16.9_{-1.2}^{+1.4}\]$
TWA 28 − 3.06 ± 0.01 3.88 ± 0.05 28.6−2.3+3.3$\[28.6_{-2.3}^{+3.3}\]$

Notes. Effective temperature (Teff) and mass are inferred from the models, while radius and surface gravity are directly retrieved as free parameters. ATMO and BT-Settl refer to different atmospheric model grids from M24. Wavelength ranges indicate the spectral coverage: 0.97–5.27 μm includes all three NIRSpec gratings (G140H, G235H, G395H), while 1.63–5.27 μm uses only G235H and G395H.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.