Planet WASP-33 b

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 2020-07-13
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

Star

WASP-33
Name WASP-33
Distance 116.0 (± 16.0) pc
Spectral type A5
Apparent magnitude V 8.3
Mass 1.495 (± 0.031) MSun
Age
Effective temperature 7400.0 (± 200.0) K
Radius 1.444 (± 0.034) RSun
Metallicity [Fe/H] 0.1 (± 0.2)
Detected Disc
Magnetic Field
RA2000 02:26:51.0
Dec2000 +37:33:02
Alternate Names
Planetary system 1 planet

Remarks

Alias HD 15082

More data

Atmospheric parameters

Temperatures

Data Source Type Result Value Result Figure Notes Reference

Molecules

Molecule Data Source Type Result Value Result Figure Notes Reference
AlO Measurements Detected 2018 - von ESSEN C.
Ca Modeling 2020 - LOTHRINGER J.
Fe Modeling 2020 - LOTHRINGER J.
Fe I Measurements Detected 2020 - NUGROHO S.
Ni Modeling 2020 - LOTHRINGER J.
SiO Modeling 2020 - LOTHRINGER J.
Ti Modeling 2020 - LOTHRINGER J.

Observability Predictor

Remarks

24 Apr 2020:
From the secondary eclipse von Essen et al. (2020) estimate a day side temperature of 3014 K and a night side temperature of 1605 K.
13 Jan 2011:
The mass upper limit is at the 3 sigma level (Smith et al. 2011)

Related publications

Doppler Tomographic Measurement of the Nodal Precession of WASP-33b
2020 WATANABE N., NARITA N. & JOHNSON M.
PASJ, accepted
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., submitted
arxiv  

A Search for FeH in Hot-Jupiter Atmospheres with High-Dispersion Spectroscopy
2020 KESSEL A., SNELLEN I., ALONSO-FLORIANO F., MOLLIERE P. & SERINDAG D.
Astron. J.
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

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

Outstanding Challenges of Exoplanet Atmospheric Retrievals
2020 BARSTOW J. & HENG K.
Spa. Sci. Rev., accepted
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  

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  

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  

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  

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  

A Universal Nightside Temperature on Hot Jupiters due to Nocturnal Clouds
2018 KEATING D. & COWAN N.
ApJ, submitted
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  

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  

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

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

Mass of WASP-33b
2015 LEHMANN H., GUENTHER E., SEBASTIAN D., DÖLLINGER M., HARTMANN M. & MKRTICHIAN D.
Astron. & Astrophys., 578, L4
paper  

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

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

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  

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  

Taxonomy of the extrasolar planet
2012 PLAVALOVA E.
Astrobiology, 12, 361
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

C/O ratio as a Dimension for Characterizing Exoplanetary Atmospheres
2012 MADHUSUDHAN N.
ApJ, 758, 36
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  

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

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

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

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  

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.

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

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

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

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

The Reflection Effect in Interacting Binaries or in Planet-Star Systems
2011 BUDAJ J.
Astron. J., 141, 59
paper

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

Planetary Systems Beyond the Main Sequence 2010
2010 SCHUH S., DRECHSEL H. & HEBER U.
Content

Line-profile tomography of exoplanet transits - II. A gas-giant planet transiting a rapidly-rotating A5 star
2010 COLLIER CAMERON A., GUENTHER E., SMALLEY B., McDONALD I., HEBB L., ANDERSON J., AUGUSTEIJN Th., BARROS S., BROWN D., COCHRAN W., ENDL M., FOSSEY S., HARTMANN M., MAXTED P., POLLACCO D., SKILLEN I., TELTING J., WALDMANN I. & WEST R.
MNRAS, 407, 507
paper