ExoAtmospheres
IAC community database for exoplanet atmospheric observations
KELT-7 b
| Planet status | Confirmed |
|---|---|
| Planet type | UltraHot Jupiter |
| Period | 2.734784 d |
| Mass | 1.24 MJ 394.072 M⊕ |
| Radius | 1.293 RJ 14.4816 R⊕ |
| Semi major axis | 0.0446 AU |
| Star name | KELT-7 |
| Star distance | 129 pc |
| Star teff | 6789 K |
| Star radius | 1.732 R☉ |
| Temperature (calculated) | 2048 K |
| V | 8.54 mag |
| J | 7.739 mag |
| K | 7.543 mag |
| Alternate names | |
| Exoplanet Encyclopaedia |  |
Molecules
H2O: Detection CO2: Detection TiO: Detection Cloudy: Upper limit H-: Upper limit Molecular ratios: C/O, etc...: Detection
|
JWST-NIRISS | Mitigating Charge Migration in JWST NIRISS Reveals That KELT-7 b is a Metal-enriched Ultra-hot Jupiter Orbiting a Young Metal-rich Star2026, Stephen P. Schmidt, Erin M. May et al. |
|
He: Upper limit
|
G-B:Low resolution IR | The First Dedicated Survey of Atmospheric Escape from Planets Orbiting F Stars2025, Morgan Saidel, Shreyas Vissapragada et al. |
Non-detection using narrow-band photometric observations |
Featureless spectra: Detection CO2: Upper limit H2O: Upper limit
|
JWST-NIRSpec | BOWIE-ALIGN: Weak spectral features in KELT-7b's JWST NIRSpec/G395H transmission spectrum imply a high cloud deck or a low-metallicity atmosphere2025, Eva-Maria Ahrer, Charlotte Fairman et al. |
|
Albedo: 0.05 |
CHEOPS | The KELT-7b atmospheric thermal-inversion conundrum revisited with CHEOPS, TESS, and additional data2025, Z. Garai, A. Krenn et al. |
Atmospheric thermal-inversion conundrum revisited, model dependent results |
Featureless spectra: Detection H-: Upper limit
|
HST WFC3 | The HUSTLE Program: The UV to Near-IR Transmission Spectrum of the Hot Jupiter KELT-7b2025, Carlos Gascón, Mercedes López-Morales et al. |
|
Na: Upper limit
|
G-B: High resolution visible | The GAPS programme at TNG LXVI. A homogeneous search for Na i and its possible variability in ten gas giant exoplanets2024, D. Sicilia, L. Malavolta et al. |
|
Ca+: Upper limit Na: Upper limit H: Upper limit Li: Upper limit Mg: Upper limit
|
G-B: High resolution visible | HORuS transmission spectroscopy and revised planetary parameters of KELT-7b2022, H. M. Tabernero, M. R. Zapatero Osorio et al. |
Tabernero et al. (2022b) accepted for publication in MNRAS. Transmission spectroscopy perfomed with HORuS@GTC. |
H: Upper limit Fe: Upper limit Fe+: Upper limit H2O: Upper limit Featureless spectra: Detection
|
G-B: High resolution visible | High-resolution transmission spectroscopy study of ultra-hot Jupiters HAT-P-57b, KELT-17b, KELT-21b, KELT-7b, MASCARA-1b, and WASP-189b2022, Stangret, M., Casasayas-Barris, N. et al. |
No evidence of Hα absorption. Several non detections in cross-correlation |
H2O: Detection H-: Detection
|
HST WFC3 | Five key exoplanet questions answered via the analysis of 25 hot Jupiter atmospheres in eclipse2022, Quentin Changeat, Billy Edwards et al. |