ExoAtmospheres
IAC community database for exoplanet atmospheric observations
HD 189733 b
| Planet status | Confirmed |
|---|---|
| Planet type | Hot Jupiter |
| Period | 2.219 d |
| Mass | 1.138 MJ 361.6564 M⊕ |
| Radius | 1.138 RJ 12.7456 R⊕ |
| Semi major axis | 0.031 AU |
| Star name | HD 189733 |
| Star distance | 19.3 pc |
| Star teff | 4875 K |
| Star radius | 0.805 R☉ |
| Temperature (calculated) | 1197 K |
| V | 7.67 mag |
| J | 6.073 mag |
| K | 5.541 mag |
| Alternate names | |
| Exoplanet Encyclopaedia |  |
Molecules
Molecular ratios: C/O, etc...: Detection H2S: Upper limit
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JWST-NIRCam | A parameterised approach to disequilibrium retrievals in the JWST era: Application to NIRCam observations of HD 189733b2026, Jake Taylor, Shang-Min Tsai et al. |
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H2O: Detection H2S: Upper limit CO: Upper limit
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G-B: High resolution IR | Searching for Molecular Signatures in 14 Transiting Exoplanets with SPIRou2026, A. Masson, S. Vinatier et al. |
Tentative detections of H2S and CO |
He: Detection
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G-B: High resolution IR | HET/HPF observations of Helium in warm, hot, and ultra-hot Jupiters2025, Jaume Orell-Miquel, Kyra Sampson et al. |
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Na: Detection Li: Detection H: Upper limit Ca+: Upper limit Mg: Upper limit
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G-B: High resolution visible | The ESPRESSO transmission spectrum of HD$\,$189733$\,$b : Extracting the planetary sodium and lithium signatures amid stellar contamination2025, D. Mounzer, W. Dethier et al. |
Simultaneous modeling of stellar activity and planet absorption signal |
Molecular ratios: C/O, etc...: Detection
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HST WFC3 | Re-analysis of 10 Hot-Jupiter Atmospheres with disequilibrium chemistry retrieval2025, Deborah Bardet, Quentin Changeat et al. |
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Eclipse mapping: Detection
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JWST-MIRI | Eclipse Mapping with MIRI: 2D Map of HD 189733b from $8μm$ JWST MIRI LRS Observations2025, Maura Lally, Ryan Challener et al. |
2D dayside temperature map |
Na: Detection
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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. |
Analysis of Na detection through several transits |
Molecular ratios: C/O, etc...: Detection
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JWST-NIRCam | Retrievals on NIRCam transmission and emission spectra of HD 189733b with PLATON 6, a GPU code for the JWST era2024, Michael Zhang, Kimberly Paragas et al. |
Detection and comparision of C/O and metalicity from emission and transmission observations |
H2O: Detection H2S: Detection SiO2: Theoretical prediction
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JWST-MIRI | Quartz Clouds in the Dayside Atmosphere of the Quintessential Hot Jupiter HD 189733 b2024, Julie Inglis, Natasha E. Batalha et al. |
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Albedo: 0.38 Phase curve: Yes Dayside Temperature (occultation): 1217 K |
Spitzer | A Comprehensive Analysis Spitzer 4.5 $μ$m Phase Curve of Hot Jupiters2024, Lisa Dang, Taylor J. Bell et al. |
Dayside and nightside temperatures from phase curves at 4.5 um |
H2O: Detection CO2: Detection CO: Detection Molecular ratios: C/O, etc...: Detection CH4: Upper limit H2S: Detection
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JWST-NIRSpec | Hydrogen sulfide and metal-enriched atmosphere for a Jupiter-mass exoplanet2024, Guangwei Fu, Luis Welbanks et al. |
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He: Detection
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G-B: High resolution IR | Probing atmospheric escape through metastable He I triplet lines in 15 exoplanets observed with SPIRou2024, A. Masson, S. Vinatier et al. |
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Na: Upper limit
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G-B: High resolution visible | The PEPSI Exoplanet Transit Survey (PETS). V: New Na D transmission spectra indicate a quieter atmosphere on HD 189733b2024, E. Keles, S. Czesla et al. |
The results suggest a weak day-to-nightside streaming wind |
H2O: Detection CH4: Upper limit CO: Upper limit HCN: Upper limit NH3: Upper limit
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G-B: High resolution IR | A formally motivated retrieval framework applied to the high resolution transmission spectrum of HD 189733 b2024, Doriann Blain, Alejandro Sánchez-López et al. |
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H2O: Detection Atmospheric dynamics: Detection Cloudy: Upper limit
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G-B: High resolution IR | ATMOSPHERIX: I- an open source high-resolution transmission spectroscopy pipeline for exoplanets atmospheres with SPIRou2024, Klein, Baptiste, Debras, Florian et al. |
SPIRou observations |
CO: Detection H2O: Detection
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G-B: High resolution IR | Atmospheric metallicity and C/O of HD 189733 b from high-resolution spectroscopy2023, Luke Finnerty, Jerry W. Xuan et al. |
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Rayleigh Scattering: Detection
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G-B: High resolution visible | An ESPRESSO view of HD 189733 system. Broadband transmission spectrum, differential rotation, and system architecture2023, E. Cristo, E. Esparza Borges et al. |
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He: Detection
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G-B: High resolution IR | Homogeneous search for helium in the atmosphere of 11 gas giant exoplanets with SPIRou2023, R. Allart, P. -B. Lemée-Joliecoeur et al. |
Excess absorption detection of 0.69±0.04 % with SPIRou. |
C+: Detection H: Detection
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HST STIS | Hydrodynamic atmospheric escape in HD 189733 b: Signatures of carbon and hydrogen measured with the Hubble Space Telescope2023, Leonardo A. Dos Santos, Antonio García Munõz et al. |
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Featureless spectra: Detection
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HST STIS | The Hubble/STIS Near-ultraviolet Transmission Spectrum of HD 189733b2023, Patricio E. Cubillos, Luca Fossati et al. |
Flat transmission spectra in the NUV region. |
Albedo: 0.076 |
CHEOPS | The geometric albedo of the hot Jupiter HD 189733b measured with CHEOPS2023, A. F. Krenn, M. Lendl et al. |
geometric albedo of 0.076±0.016. |
Na: Detection
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G-B: High resolution visible | A survey of sodium absorption in ten giant exoplanets with high-resolution transmission spectroscopy2022, Adam B. Langeveld, Nikku Madhusudhan et al. |
Confirms previously reported detection of Na using HARPS. |
H2O: Detection CO2: Detection
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HST WFC3 | Five key exoplanet questions answered via the analysis of 25 hot Jupiter atmospheres in eclipse2022, Quentin Changeat, Billy Edwards et al. |
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He: Detection
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G-B: High resolution IR | More Evidence for Variable Helium Absorption from HD 189733b2022, Michael Zhang, P. Wilson Cauley et al. |
Variability in He signal? |
H2O: Detection
|
G-B: High resolution IR | Characterizing exoplanetary atmospheres at high resolution with SPIRou: Detection of water on HD 189733 b2021, Anne Boucher, Antoine Darveau-Bernier et al. |
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K: Upper limit Na: Upper limit
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G-B: Low resolution visible | Broadband transmission spectroscopy of HD 209458b with ESPRESSO: evidence for Na, TiO, or both2020, Santos, N. C., Cristo, E. et al. |
Low-resolution broadband transmission spectra from chromatic RM |
Rayleigh Scattering: Detection
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G-B: Low resolution visible | Broadband transmission spectroscopy of HD 209458b with ESPRESSO: evidence for Na, TiO, or both2020, Santos, N. C., Cristo, E. et al. |
Low-resolution broadband using chromatic RM observation |
Rayleigh Scattering: Detection K: Upper limit Na: Upper limit
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G-B: Low resolution visible | The widest broadband transmission spectrum (0.38-1.71 μm) of HD 189733b from ground-based chromatic Rossiter-McLaughlin observations2020, Oshagh, M., Bauer, F. F. et al. |
Low-resolution broadband using chromatic RM observation from visible and NIR |
FeH: Upper limit
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G-B: High resolution IR | A Search for FeH in Hot-Jupiter Atmospheres with High-dispersion Spectroscopy2020, Kesseli, Aurora Y., Snellen, I. A. G. et al. |
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He: Detection
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G-B: High resolution IR | The GAPS programme at TNG XXII. The GIARPS view of the extended helium atmosphere of HD189733 b accounting for stellar activity2020, G. Guilluy, V. Andretta et al. |
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H2O: Detection
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Spitzer | PLATON II: New Capabilities And A Comprehensive Retrieval on HD 189733b Transit and Eclipse Data2020, Michael Zhang, Yayaati Chachan et al. |
Retrieval on (almost) all available HST and Spitzer transit and eclipse data |
CO: Detection H2O: Upper limit
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G-B: High resolution IR | Retrieving Temperatures and Abundances of Exoplanet Atmospheres with High-resolution Cross-correlation Spectroscopy2019, Brogi, MatteoLine, Michael R. |
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H2O: Detection CO: Detection HCN: Detection
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G-B: High resolution IR | On the robustness of analysis techniques for molecular detections using high-resolution exoplanet spectroscopy2019, Cabot, Samuel H. C., Madhusudhan, Nikku et al. |
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He: Detection
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G-B: High resolution IR | Detection of He I λ10830 Å absorption on HD 189733 b with CARMENES high-resolution transmission spectroscopy2018, Salz, M., Czesla, S. et al. |
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H2O: Detection
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G-B: High resolution IR | Multiple water band detections in the CARMENES near-infrared transmission spectrum of HD 189733 b2018, F. J. Alonso-Floriano, A. Sánchez-López et al. |
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H2O: Detection
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HST WFC3 | A Population Study of Gaseous Exoplanets2018, Tsiaras, A., Waldmann, I. P. et al. |
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Na: Detection H2O: Detection
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HST STIS | A continuum from clear to cloudy hot-Jupiter exoplanets without primordial water depletion2015, David K. Sing, Jonathan J. Fortney et al. |
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Na: Detection
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G-B: High resolution visible | Spectrally resolved detection of sodium in the atmosphere of HD189733b with the HARPS spectrograph2015, A. Wyttenbach, D. Ehrenreich et al. |
Detection with HARPS |
H2O: Detection
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G-B: High resolution IR | Detection of water absorption in the day side atmosphere of HD 189733 b using ground-based high-resolution spectroscopy at 3.2μm.2013, Birkby, J. L., de Kok, R. J. et al. |
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O: Detection
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HST-COS | Hubble Space Telescope detection of oxygen in the atmosphere of exoplanet HD189733b2013, Lotfi Ben-JaffelGilda Ballester |
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H: Detection
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HST STIS | Temporal variations in the evaporating atmosphere of the exoplanet HD 189733b2012, Lecavelier des Etangs, A., Bourrier, V. et al. |
The first transit does not show Ly-a absorption but the second transit has a significant Ly-a absorption. |
H: Detection
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G-B: High resolution visible | A Detection Of H-alpha In An Exoplanetary Exosphere2012, Adam G. Jensen, Seth Redfield et al. |
With Hobby-Eberly Telescope/High-Resolution Spectrograph. |
H: Detection O: Upper limit C+: Upper limit
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HST-Other | Evaporation of the planet HD189733b observed in HI Lyman-alpha2010, A. Lecavelier des Etangs, D. Ehrenreich et al. |
HST/ACS observations of far UV, detecting Ly-alpha absorption. |
Na: Detection Ca: Upper limit
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G-B: High resolution visible | Sodium Absorption From the Exoplanetary Atmosphere of HD189733b Detected in the Optical Transmission Spectrum2007, Seth Redfield, Michael Endl et al. |
Observations with HRS/Hobby-EberlyTelescope |