ExoAtmospheres
IAC community database for exoplanet atmospheric observations

 

LTT 1445A b

Planet status Confirmed
Planet type Warm Super-Earth
Period 5.3587657 d
Mass 0.009 MJ 2.8602 M⊕
Radius 0.1164 RJ 1.30368 R⊕
Semi major axis 0.03813 AU
Star name LTT 1445A
Star distance 6.9 pc
Star teff 3340 K
Star radius 0.27 R☉
Temperature (calculated) 424 K
V N/A
J N/A
K N/A
Alternate names TOI-455 b
Exoplanet Encyclopaedia

Molecules

Dayside Temperature (occultation): 525 K

JWST-MIRI

The Thermal Emission Spectrum of the Nearby Rocky Exoplanet LTT 1445A b from JWST MIRI/LRS

2024, Patcharapol Wachiraphan, Zachory K. Berta-Thompson et al.

The presence of a moderately thin atmosphere (similar to those on Mars, Titan, or Earth) remains uncertain.

Featureless spectra: Detection

HST WFC3

An HST Transmission Spectrum of the Closest M-Dwarf Transiting Rocky Planet LTT 1445Ab

2024, Katherine A. Bennett, David K. Sing et al.

Featureless spectra: Detection

G-B: Low resolution visible

Ground-based Optical Transmission Spectroscopy of the Nearby Terrestrial Exoplanet LTT 1445Ab

2023, Diamond-Lowe, Hannah, Mendonça, João M. et al.

Featureless spectra: Detection

G-B: Low resolution visible

Ground-based Optical Transmission Spectroscopy of the Nearby Terrestrial Exoplanet LTT 1445Ab

2022, Hannah Diamond-Lowe, Joao M. Mendonca et al.