Name | WASP-33 b | ||
Planet Status | Confirmed | ||
Discovered in | 2010 | ||
Mass | 2.8 (± 0.53) MJ | ![]() |
+ |
Mass*sin(i) | — | ||
Semi-Major Axis | 0.02558 (± 0.00023) AU | ![]() |
|
Orbital Period | 1.21986967 (± 4.5e-07) day | ![]() |
|
Eccentricity | 0.0 | ![]() |
|
ω | — | ||
Tperi | — | ||
Radius | 1.603 ( -0.014 +0.014 ) RJ | ![]() |
+ |
Inclination | 87.7 (± 1.8) deg | ![]() |
+ |
Update | 2023-05-19 | ||
Detection Method | Primary Transit | ||
Mass Detection Method | Timing | ||
Radius Detection Method | Primary Transit | ||
Primary transit | 2454590.17936 (± 0.00027) JD | ![]() |
|
Secondary transit | — | ||
λ | 96.0 ( -14.0 +10.0 ) deg | ||
Impact Parameter b | 0.21 (± 0.002) | ![]() |
|
Time Vr=0 | — | ||
Velocity Semiamplitude K | — | ||
Calculated temperature | 2782.0 (± 41.0) K | ![]() |
|
Measured temperature | 2300.0 K | ||
Hottest point longitude | 800.0 deg | ||
Geometric albedo | — | ||
Surface gravity log(g/gH) | — | ||
Alternate Names | — |
Data Source | Type | Result Value | Result Figure | Notes | Reference |
Molecule | Data Source | Type | Result Value | Result Figure | Notes | Reference |
AlO | Measurements | Detected | 2018 - von ESSEN C. | |||
CO | Measurements | Detected | 2022 - YAN F. | |||
Measurements | Detected | 2022 - van SLUIJS L. | ||||
Ca+ | Measurements | 2019 - YAN F. | ||||
Fe | Modeling | 2020 - LOTHRINGER J. | ||||
Fe I | Measurements | Detected | 2020 - NUGROHO S. | |||
H | Measurements | Detected | 2021 - YAN F. | |||
H2O | Modeling | Detected | 2015 - HAYNES K. | |||
Ni | Modeling | 2020 - LOTHRINGER J. | ||||
OH | Measurements | Detected | 2023 - WRIGHT S. | |||
Si | Measurements | Detected | 2022 - CONT D. | |||
SiO | Modeling | 2020 - LOTHRINGER J. | ||||
Ti | Modeling | 2020 - LOTHRINGER J. | ||||
Ti+ | Measurements | Detected | 2022 - CONT D. | |||
V | Measurements | Detected | 2022 - CONT D. | |||
A spectroscopic thermometer: individual vibrational band spectroscopy with the example of OH in the atmosphere of WASP-33b
2023
WRIGHT S., NUGROHO S., BROGI M., GIBSON N., de MOOIJ E. et al.
Astron. J., submitted
arxiv
Atmospheric characterization of the ultra-hot Jupiter WASP-33b: Detection of Ti and V emission lines and retrieval of a broadened line profile
2022
CONT D., YAN F., REINERS A., NORTMANN L., MOLAVERDIKHANI K. et al.
Astron. & Astrophys., 668, A53
paper arxiv
Detection of CO emission lines in the dayside atmospheres of WASP-33b and WASP-189b with GIANO
2022
YAN F., PALLE E., REINERS A., CASASAYAS-BARRIS N., CONT D. et al.
Astron. & Astrophys., 161, L6
paper arxiv
Carbon monoxide emission lines reveal an inverted atmosphere in the ultra hot Jupiter WASP-33 b and indicate an eastward hot spot
2022
van SLUIJS L., BIRKBY J., LOTHRINGER J., LEE E., CROSSFIELD I. et al.
MNRAS, submitted
arxiv
Day-side Fe I Emission, Day-Night Brightness Contrast and Phase Offset of the Exoplanet WASP-33b
2022
HERMAN M., de MOOIJ E., NUGROHO S., GIBSON N. & JAYAWARDHANA R.
Astron. J., 163, 248
paper arxiv
Gravity darkening and tidally perturbed stellar pulsation in the misaligned exoplanet system WASP-33
2022
KALMAN Sz., GOKON A., DEREKAS A., SZABO G., HEGEDÜS V. & NAGY K.
Astron. & Astrophys., 660, L2
paper
Nodal Precession and Tidal Evolution of Two Hot-Jupiters: WASP-33 b and KELT-9 b
2022
STEPHAN A., WANG J., WILSON CAULEY P., SCOTT GAUDI B., ILYIN I. et al.
ApJ, 931, 111
paper arxiv
Nodal Precession of WASP-33b for 11 Years by Doppler Tomographic and Transit Photometric Observations
2022
WATANABE N., NARITA N., PALLE E., FUKUI A., KUSAKABE N. et al.
MNRAS, 512, 4404
paper arxiv
TESS Transit Timing of Hundreds of Hot Jupiters
2022
IVSHINA E. & WINN J.
ApJ Suppl., 258, 62
paper arxiv
Resolving the Multiplicity of Exoplanet Host Stars in Gemini/NIRI Data
2022
MISKOVETZ K. & DUPUY T.
Res. Notes AAS, 6, 8
paper
Silicon in the dayside atmospheres of two ultra-hot Jupiters
2022
CONT D., YAN RF., REINERS A., NORTMANN L., MOLAVERDIKHANI K. et al.
Astron. & Astrophys., 657, L2
paper arxiv
Efficient and precise transit light curves for rapidly-rotating, oblate stars
2022
DHOLOKIA Sh., LUGER R. & DHOLAKIA Sh.
ApJ, 925, 185
paper arxiv
Significant Transit Timing Offsets of 31 Hot Jupiters
2021
SHAN S.-S., YANG F., LU Y.-J., WEI X., TIAN W.-W. et al.
ApJ Suppl., submitted
arxiv
Detection of the hydrogen Balmer lines in the ultra-hot Jupiter WASP-33b
2021
YAN F., WYTTENBACH A., CASASAYAS-BARRIS N., REINERS A., PALLE E. et al.
Astron. & Astrophys., 645, A22
paper a> arxiv
Observational Consequences of Shallow-water Magnetohydrodynamics on Hot Jupiters
2021
HINDLE A., BUSHBY P. & ROGERS T.
ApJ Lett., 916, L8
paper arxiv
The GAPS Programme with HARPS-N at TNG. XXXI. The WASP-33 system revisited with HARPS-N
2021
BORSA F., LANZA A., PASPANTINI I., RAINER M., FOSSATI L. et al.
Astron. & Astrophys., 653, A104
paper arxiv
Detection of Fe and evidence for TiO in the dayside emission spectrum of WASP-33b
2021
CONT D., YAN F., REINERS A., CASASAYAS-BARRIS N., MOLLIERE P. et al.
Astron. & Astrophys., in press
paper arxiv
First Detection of Hydroxyl Radical Emission from an Exoplanet Atmosphere: High-dispersion Characterization of WASP-33b using Subaru/IRD
2021
NUGROHO S., KAWAHARA H., GIBSON N., de MOOIJ E., HIRANO T.
ApJ. Lett., 910, L9
paper arxiv
Is TiO emission present in the ultra-hot Jupiter WASP-33b? A reassessment using the improved ExoMol Toto line list
2021
SERINDAG D., NUGROHO S., MOLLIERE P., de MOOIJ E., GIBSON N. & SNELLEN I.
Astron. & Astrophys., 645, A90
paper arxiv
Hot Jupiters: Origins, Structure, Atmospheres
2021
FORTNEY J., DAWSON R. & KOMACEK Th.
JGR Planets, accepted
arxiv
TESS unveils the phase curve of WASP-33b. Characterization of the planetary atmosphere and the pulsations from the star
2020
von ESSEN C., MALLONN M., BORRE C., ANTOCI V.,
STASSUN K. et al.
Astron. & Astrophys., in press
paper arxiv
Refined System Ephemeris for Four Transiting Hot Jupiters using Ground-Based and TESS Observations
2020
DAVOUDI F., MIRSHAFIEKHOZANI P., PAKI E., ROSHANA M., HASHEMINASAB F. et al.
Icarus, submitted
arxiv
Time-resolved rotational velocities in the upper atmosphere of WASP-33 b
2020
WILSON CAULEY P., WANG J., SHKOLNIK E., ILYIN I., STRASSMEIER K. et al.
Astron. J., 161, 152
paper arxiv
A Search for FeH in Hot-Jupiter Atmospheres with High-Dispersion Spectroscopy
2020
KESSELI A., SNELLEN I., ALONSO-FLORIANO F., MOLLIERE P. & SERINDAG D.
Astron. J., 160, 228
paper arxiv
Detection of Fe I Emission in the Day-side Spectrum of WASP-33b
2020
NUGROHO S., GIBSON N., de MOOIJ E., HERMAN M., WATSON Ch. et al.
ApJ Lett., 898, L31
paper arxiv
Analysis of HAT-P-23 b, Qatar-1 b, WASP-2 b, and WASP-33 b with an Optimized EXOplanet Transit Interpretation Code
2020
NAIR S., VARGHESE J. & TOCK K.
proceedings of the Society of the Astronomical Sciences
arxiv
Search for TiO and Optical Night-side Emission from the Exoplanet WASP-33b
2020
HERMAN M., de MOOIJ E., JAYAWARDHANA R. & BROGI M.
Astron. J., 160, 93
paper arxiv
UV Exoplanet Transmission Spectral Features as Probes of Metals and Rainout
2020
LOTHRINGER J., FU G., SING D. & BARMAN T.
ApJ. Letters, 898, L14
paper arxiv
Outstanding Challenges of Exoplanet Atmospheric Retrievals
2020
BARSTOW J. & HENG K.
Spa. Sci. Rev., accepted
arxiv
Doppler Tomographic Measurement of the Nodal Precession of WASP-33b
2020
WATANABE N., NARITA N. & JOHNSON M.
PASJ, accepted
arxiv
Cloud Atlas: Hubble Space Telescope Near-Infrared Spectral Library of Brown Dwarfs, Planetary-mass companions, and hot Jupiters
2019
MANJAVACAS E., APAI D., ZHOU Y., LEW B., SCHNEIDER G. et al.
Astron. J., 157, 101
paper arxiv
Ionized calcium in the atmospheres of two ultra-hot exoplanets WASP-33b and KELT-9b
2019
YAN F., CASASAYAS-BARRIS N., MOLAVERDIKHANI K., ALONSO-FLORIANO F., REINDERS A. et al.
Astron. & Astrophys., in press
paper arxiv
Analyzing Eight Years of Transiting Exoplanet Observations Using WFC3's Spatial Scan Monitor
2019
STEVENSON K. & FOWLER J.
Instrument Science Report WFC3 2019-12
The Atmospheric Circulation of Ultra-hot Jupiters
2019
TAN X. & KOMACEK Th.
ApJ, accepted
arxiv
Uniformly hot nightside temperatures on short-period gas giants
2019
KEATING D., COWAN N. & DANG L.
Nature Astronomy, in press
paper
Estimating dayside effective temperatures of hot Jupiters and associated uncertainties through Gaussian process regression
2019
PASS E., COWAN N., CUBILLOS P. & SKLAR J.
MNRAS, 489, 941
paper arxiv
Precise photometric transit follow-up observations of five close-in exoplanets : update on their physical properties
2019
CHAKRABARTY A. & SENGUPTA S.
Astron. J., 158, 39
paper arxiv
A Universal Nightside Temperature on Hot Jupiters due to Nocturnal Clouds
2018
KEATING D. & COWAN N.
ApJ, submitted
arxiv
Planet-star interactions with precise transit timing. I. The refined orbital decay rate for WASP-12 b and initial constraints for HAT-P-23 b, KELT-1 b, KELT-16 b, WASP-33 b, and WASP-103 b
2018
MACIEJEWSKI G., FERNANDEZ M., ACEITUNO F., MARTIN-RUIZ S., OHLERT J. et al.
Acta Astron., accepted
arxiv
Extreme-ultraviolet Radiation from A-stars: Implications for Ultra-hot Jupiters
2018
FOSSATI L., KOSKINEN T., LOTHRINGER J., FRANCE K. YOUNG M. & SREEJITH A.
ApJ. Letters, 868, L30
paper
XUV Radiation from A-stars: Implications for Ultra-hot Jupiters
2018
SOSSATI L., KOSKINEN T., LOTHRINGER J., FRANCE K., YOUNG M. & SREEJITH A.
ApJ. Letters, accepted
paper
An optical transmission spectrum of the ultra-hot Jupiter WASP-33b. First indication of aluminium oxyde in an exoplanet
2018
von ESSEN C., MALLONN M., WELBANKS L., MADHUSUDHAN N., PINHAS A. et al.
Astron. & Astrophys., 622, A71
paper arxiv
Phase curves of WASP-33b and HD 149026b and a New Correlation Between Phase Curve Offset and Irradiation Temperature
2018
ZHANG M., KNUTSON H., KATARIA T., SCHWARTZ J., COWAN N. et al.
ApJ, 155, 83
paper arxiv
Pre-discovery transits of the exoplanets WASP-18 b and WASP-33 b from Hipparcos
2018
MCDONALD I. & KERINS E.
MNRAS, 477, L21
paper arxiv
Observing transiting planets with JWST -- Prime targets and their synthetic spectral observations
2017
MOLLIERE P., van BOEKEL R., BOUWMAN J., HENNING Th., LAGAGE P.-O. & MIN M.
Astron. & Astrophy., 600, A10
paper arxiv ADS
High-Resolution Spectroscopic Detection of TiO and Stratosphere in the Day-side of WASP-33b
2017
NUGROHO S., KAWAHARA H., MASUDA K., HIRANO T., KOTANI T. & TAJITSU A.
Astron. J., 154, 221
paper arxiv
Ground-based near-UV observations of 15 transiting exoplanets: Constraints on their atmospheres and no evidence for asymmetrical transits
2016
TURNER J., PEARSON K., BIDDLE L., SMART B., ZELLEM R. et al.
MNRAS, 459, 789
paper arxiv ADS
Accurate characterization of the stellar and orbital parameters of the exoplanetary system WASP-33 b from orbital dynamics
2016
IORIO L.
MNRAS, 455, 207
paper arxiv ADS
pt5m - a 0.5m robotic telescope on La Palma
2015
HARDY L., BUTTRERLEY T., DHILLON V., LITTLEFAIR S. & WILSON R.
MNRAS, 454, 4316
paper arxiv ADS
Measurement of the Nodal Precession of WASP-33 b via Doppler Tomography
2015
JOHNSON, M., COCHRAN, W., CAMERON, A. & D. BAYLISS
ApJ Letters, 810, L23
paper arxiv
ADS
A temperature inversion in WASP-33b? Large Binocular Telescope occultation data confirm significant thermal flux at short wavelengths
2015
von ESSEN C., MALLONN M., ALBRECHT S., ANTOCI V., SMITH A. et al.
Astron. & Astrophys., 584, A75
paper arxiv ADS
Spectroscopic Evidence for a Temperature Inversion in the Dayside Atmosphere of the Hot Jupiter WASP-33b
2015
HAYNES K., MANDELL A., MADHUSUDHAN N., DEMING D. & KNUTSON H.
ApJ, 806, 146
paper arxiv ADS
Mass of WASP-33b
2015
LEHMANN H., GUENTHER E., SEBASTIAN D., DÖLLINGER M., HARTMANN M. & MKRTICHIAN D.
Astron. & Astrophys., 578, L4
paper
Adaptive Optics Images II: 12 Kepler Objects of Interest and 15 Confirmed Transiting Planets
2013
ADAMS E., DUPREE A., KULESA C. & McCRTHY D.
Astron. J., 146, 9
paper arxiv
Pulsation analysis and its impact on primary transit modeling in WASP-33
2013
von ESSEN C., CZESLA S., WOLTER U., BREGER M., HERRERO E. & 4 additional authors
Astron. & Astrophys., 561, A48
paper arxiv
The GROUSE project III: Ks-band observations of the thermal emission from WASP-33b
2013
de MOOIJ E., BROGI M., de KOK R., SNELLEN I., KENWORTHY M. & KARJALAINEN R.
Astron. & Astrophys., 550, A54
paper arxiv
Extrasolar Planet Transits Observed at Kitt Peak National Observatory
2012
SADA P., DEMING D., JENNINGS D., JACKSON B., HAMILTON C. & 6 additional authors
PASP, 124, 212
paper arxiv
C/O ratio as a Dimension for Characterizing Exoplanetary Atmospheres
2012
MADHUSUDHAN N.
ApJ, 758, 36
paper arxiv
Infrared Eclipses of the Strongly Irradiated Planet WASP-33b, and Oscillations of its Host Star
2012
DEMING D., FRAINE J., SADA P.L, MADHUSUDHAN N., KNUTSON H. & 5 additional authors
ApJ., 754, 106
paper arxiv
Comprehensive time series analysis of the transiting extrasolar planet WASP-33b
2012
KOVACS G., KOVACS T., HARTMAN J., BAKOS G., BIERYLA A. & 4 additional authors
Astron. & Astrophys., 553, A44
paper arxiv
Calibration of Equilibrium Tide Theory for Extrasolar Planet Systems II
2012
HANSEN B.
ApJ., 757, Issue 1, id. 6, 21 pp.
paper
arxiv
Modeling Multi-Wavelength Stellar Astrometry. III. Determination of the Absolute Masses of Exoplanets and Their Host Stars
2012
COUGHLIN J. & LOPEZ-MORALES M.
ApJ., 750, 100
paper arxiv
Factors Affecting the Radii of Close-in Transiting Exoplanets
2012
ENOCH B., COLLIER CAMERON A. & HORNE K.
Astron. & Astrophys., 540, A99
paper arxiv ADS
A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
2012
HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper arxiv
The Radial Velocity Signature of Tides Raised in Stars Hosting Exoplanets
2012
ARRAS Ph., BURKART J., QUATAERT E. & WEINBERG N.
MNRAS, 422, 1761
paper arxiv
Taxonomy of the extrasolar planet
2012
PLAVALOVA E.
Astrobiology, 12, 361
paper arxiv
The Reflection Effect in Interacting Binaries or in Planet-Star Systems
2011
BUDAJ J.
Astron. J., 141, 59
paper
The Exoplanet Handbook
2011
Michael Perryman
Content
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The Exoplanet Orbit Database
2011
WRIGHT J., FAKHOURI O., MARCY G., HAN E., FENG Y., JOHNSON A., HOWARD A., VALENTI J., ANDERSON J. & PISKUNOV N.
PASP, 123, 412
paper arxiv
Thermal emission from WASP-33b, the hottest known planet
2011
SMITH A., ANDERSON D., SKILLEN I., COLLIER CAMERON A. & SMALLEY B.
MNRAS, 416, 2096
paper arxiv
A Planet of an A-Star: HD15082b
2011
GUENTHER E., CAMERON A., SMALLEY B., RODLER F. & REBOLO R.
WASP-33: The first delta Scuti exoplanet host star and evidence of star-planet interactions
2011
HERRERO E., MORALES J.-C., RIBAS I. & NAVES R.
Astron. & Astrophys., 526, L10
paper preprint
Classical and relativistic node precessional effects in WASP-33b and perspectives for detecting them
2011
IORIO L.
Astrophys. & Spa. Sci., 331, 485
paper
High spatial resolution imaging of the star with a transiting planet WASP-33
2011
MOYA A., BOUY H., MARCHIS F., VICENTE B. & BARRADO D.
Astron. & Astrophys.
The Time Dependence of hot Jupiters' Orbital Inclinations
2011
TRIAUD A.
Astron. & Astrophys., 534, L6
paper arxiv
Prospecting transit duration variations in extrasolar planetary systems
2011
DAMIANI C. & LANZA A.
Astron. & Astrophys., 535, A116
paper arxiv
On the use of the Virtual Observatory to select calibrators for phase-referenced astrometry of exoplanet-host stars
2011
BEUST H., BONNEAU D., MOURARD D., LAFRASSE S., MELLA G. & 2 additional authors
MNRAS, 414, 108
paper
Defining and cataloging exoplanets: The exoplanet.eu database
2011
SCHNEIDER J., DEDIEU C., LE SIDANER P., SAVALLE R. & ZOLOTUKHIN I.
Astron. & Astrophys., 532, A79
paper arxiv
Quantization of Planetary Systems and its Dependency on Stellar Rotation
2011
ZOGHBI J.-P.
Publ. Astron. Soc. Australia, 28, 177
paper arxiv ADS
Mass-loss rates for transiting exoplanets
2011
EHRENREICH D. & DESERT J.-M.
Astron. & Astrophys., 529, A136
paper arxiv ADS
Planetary Systems Beyond the Main Sequence 2010
2010
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Limits on the Orbits and Masses of Moons around Currently-Known Transiting Exoplanets
2010
WEIDNER C. & HORNE K.
Astron. & Astrophys., 521, A76
paper preprint
Calibration of Equilibrium Tide Theory for Extrasolar Planet Systems
2010
HANSEN B.
ApJ., 723, 285
paper
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gas-giant planet transiting a rapidly-rotating A5 star
2010
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paper