WASP-33 Overview
WASP-33 C
0.80
R⦿
5014.00
K
WASP-33
1.44
R⦿
7430.00
K
WASP-33 b
1.593
RJup
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| WASP-33 | WASP-33 b | 1.22 d | 17.86 R⨁ | Transit | 2010 | Collier Cameron et al. 2010 | Confirmed Planet |
WASP-33
- This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer 2019)
- Values for orbital parameters drawn from Table 9, solution that takes pulsations into account. (von Essen et al. 2014)
- Orbital period provided by authors via private communication. See literature discrepancies page. (Stassun et al. 2017)
- RA
- 02h26m51.67s
- Dec
- +37d32m13.18s
- Distance
-
121.356+0.743-0.735pc
- Parallax
- 8.2117600±0.0498071 mas
- Ecliptic Latitude
- 21.74191 deg
- Ecliptic Longitude
- 46.81306 deg
- Galactic Latitude
- -21.5685 deg
- Galactic Longitude
- 143.10449 deg
- Total Proper Motion
- 12.0045163±0.0710426 mas/yr
- Proper Motion (RA)
- -5.2461800±0.0815467 mas/yr
- Proper Motion (Dec)
- -10.7975000±0.0683277 mas/yr
- Photometry
-
mV11.274±0.018
-
mTESS10.7503±0.0062
-
mJ9.958±0.021
-
mH9.497±0.023
-
mKs9.397±0.018
-
mW19.325±0.023
-
mW29.356±0.020
-
mW39.276±0.043
-
mW48.266
-
mGaia11.319500±0.000828
-
mB12.238±0.217
- RA
- 02h26m51.06s
- Dec
- +37d33m01.60s
- Distance
-
121.944+0.998-0.983pc
- Parallax
- 8.1724400±0.0661056 mas
- Ecliptic Latitude
- 21.75524 deg
- Ecliptic Longitude
- 46.81598 deg
- Galactic Latitude
- -21.55688 deg
- Galactic Longitude
- 143.09688 deg
- Total Proper Motion
- 9.0298956±0.1047653 mas/yr
- Proper Motion (RA)
- -0.976046±0.118284 mas/yr
- Proper Motion (Dec)
- -8.976990±0.104595 mas/yr
- Photometry
-
mV8.14±0.03
-
mTESS7.87611±0.00630
-
mJ7.581±0.021
-
mH7.516±0.024
-
mKs7.468±0.024
-
mW17.383±0.036
-
mW27.443±0.020
-
mW37.467±0.019
-
mW47.254±0.113
-
mGaia8.070040±0.000433
-
mB8.412±0.027
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.14±0.04 dex
-
[O/H] 0.49±0.09 dex
-
[Na/H] 0.16±0.04 dex
| Source | Watanabe et al. 2022 | TICv8 | Chakrabarty & Sengupta 2019 | Gaia DR2 | Zhang et al. 2018 | Stassun et al. 2017 | Turner et al. 2016 | Collier Cameron et al. 2010 | Cannon & Pickering 1918 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
7340±100 |
7308.000+132.990-109.483
|
7430±100 |
7398.5+147.5-168.5
|
7400 | 7308±71 | 7430 | 7430±100 | --- | 7398.5±157.7 | ||
|
Metallicity
(dex)
|
--- | --- | --- | --- | 0.1 [M/H] | 0.0 [Fe/H] | 0.10 [Fe/H] | --- | --- | --- | ||
|
log g
(log10(cm/s2))
|
--- |
4.2467900+0.0996698-0.0664834
|
--- | --- | 4.3 | 4.50 | 4.30 | --- | --- | 4.25±0.08 | ||
|
M✶
(M⦿)
|
--- |
1.653000+0.349901-0.186591
|
1.495±0.031 | --- | --- | 1.85±0.25 | --- | 1.495±0.031 | --- | --- | ||
|
R✶
(R⦿)
|
1.5 |
1.6024200+0.0618769-0.0545452
|
1.444±0.034 |
1.5586445+0.0734972-0.0603374
|
--- | 1.55±0.05 | --- | 1.444±0.034 | --- | 1.60241997241974±0.05821110000000 | ||
|
L✶
(log10(L⦿))
|
--- |
0.8194427+0.0177128-0.0158780
|
--- |
0.81676362+0.00450600-0.00455325
|
--- | --- | --- | --- | --- | --- | ||
|
Sp. T
|
A | --- | --- | --- | --- | --- | --- | --- | A5 | --- | ||
|
v sin i
(km/s)
|
85.6 | --- | --- | --- | --- | --- | --- | 90±10 | --- | --- | ||
|
ρ✶
(g/cm3)
|
--- |
0.5663794+0.1526165-0.0916050
|
--- | --- | --- | 0.70±0.06 | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Orbital Brightness Modulation, Radial Velocity, Transit
| Source | Chakrabarty & Sengupta 2019 | Watanabe et al. 2022 | Ivshina & Winn 2022 | Zhang et al. 2018 | Stassun et al. 2017 | Turner et al. 2016 | Johnson et al. 2015 | Johnson et al. 2015 | von Essen et al. 2014 | Collier Cameron et al. 2010 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
a/R✶
|
3.571±0.010 | --- | --- | --- | 3.81±0.11 | --- | --- | --- | --- |
3.7879 +0.0836-0.0801
|
--- | ||
|
b
|
0.210±0.002 | --- | --- | --- | --- | --- |
0.218+0.011-0.029
|
0.0840+0.0020-0.0019
|
--- |
0.155 +0.100-0.120
|
--- | ||
|
Mp
(M⨁)
|
665.2±44.2 | --- | --- | --- | 372±369 | 1042±232 | --- | --- | --- | <1303.0 | --- | ||
|
Mp
(MJup)
|
2.093±0.139 | --- | --- | --- | 1.17±1.16 | 3.28±0.73 | --- | --- | --- | <4.1 | --- | ||
|
i
(deg)
|
86.63±0.03 | --- | --- | --- | 87.67±1.81 | 86.2±0.2 |
86.61+0.46-0.17
|
88.695+0.031-0.029
|
87.90±0.93 | 87.67±1.81 | --- | ||
|
P
(days)
|
1.219870±0.000001 | --- | 1.21987070±0.00000038 | 1.21987089±0.00000015 | 1.21986983±0.00000045 | 1.21987016±0.00014000 | --- | --- | 1.2198675±0.0000011 | 1.2198669±0.0000012 | 1.21983821253186±0.00001671784600 | ||
|
Rp
(R⨁)
|
17.86±0.83 | --- | --- | --- | 17.9±0.7 |
18.82+0.21-0.34
|
--- | --- | --- | 16.780±0.504 | 18.2179311434236±0.6672307000000 | ||
|
Rp
(RJup)
|
1.593±0.074 | --- | --- | --- | 1.60±0.06 |
1.679+0.019-0.030
|
--- | --- | --- | 1.497±0.045 | 1.62529775284773±0.05952643847446 | ||
|
Rp/R✶
|
0.1118±0.0002 | --- | --- | --- | --- | 0.1143±0.0002 | --- | --- | 0.1046±0.0006 | 0.1066±0.0009 | --- | ||
|
K
(m/s)
|
304±20 | --- | --- | --- | 0.000±295.000 | --- | --- | --- | --- | <590 | --- | ||
|
a
(au)
|
0.02390±0.00063 | --- | --- | --- | --- | 0.0259±0.0005 | --- | --- | --- | 0.02555±0.00017 | --- | ||
|
δ
(%)
|
--- | --- | --- | --- | 1.100±0.019 | --- | --- | --- | --- | 1.372 | 1.216010960429±0.010221993000 | ||
|
TC
(days)
|
--- | --- |
2456217.48738±0.00039
(BJD-TDB)
|
2454163.22367±0.00022
(BJD-UTC)
|
--- | 2452984.82964±0.00030 | --- |
2456934.77146±0.00059
(BJD)
|
2455507.5222±0.0003
(BJD-TDB)
|
2454163.22373±0.00026
(HJD)
|
2459883.19878800±0.00020759
(BJD)
|
||
|
λ
(deg)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | 251.2±1.0 | --- | ||
|
T14
(hours)
|
2.854±0.012 | --- | --- | --- | --- | --- |
2.8066+0.0175-0.0098
|
2.8512±0.0079 | --- | --- | 2.83418044250338±0.00972171400000 | ||
|
Teq
(K)
|
2781.70±41.10 | --- | --- | --- | --- | 2723±37 | --- | --- | --- | --- | 2510.78667440973 | ||
|
e
|
--- | --- | --- | --- | 0.0 | 0 | --- | --- | --- | --- | --- | ||
|
ρ
(g/cm3)
|
0.689±0.074 | --- | --- | --- | --- | 0.860±0.190 | --- | --- | --- | --- | --- | ||
|
S
(S⨁)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 9392.04710086675 | ||
|
ψ
(deg)
|
--- |
108.19+0.95-0.97
|
--- | --- | --- | --- | --- | --- | --- | --- | --- |
Literature Time Series
(2 File Types, 2 Files)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 114 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
| Radial Velocity Curve | 29 | Optical Spectra | Collier Cameron et al. 2010 |
- Known Objects
- 1 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 1 Associated Literature Data
- Known Objects
- 1 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 1 Associated Literature Data
-
Nodal precession of WASP-33b for 11 yr by Doppler tomographic and transit photometric observations
Watanabe et al. 2022 | Reference Overview -
Five Key Exoplanet Questions Answered via the Analysis of 25 Hot-Jupiter Atmospheres in Eclipse
Changeat et al. 2022 | Reference Overview -
TESS Transit Timing of Hundreds of Hot Jupiters
Ivshina & Winn 2022 | Reference Overview -
Search for stellar companions of exoplanet host stars by exploring the second ESA-Gaia data release
Mugrauer 2019 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Precise Photometric Transit Follow-up Observations of Five Close-in Exoplanets: Update on Their Physical Properties
Chakrabarty & Sengupta 2019 | Reference Overview -
An optical transmission spectrum of the ultra-hot Jupiter WASP-33 b. First indication of aluminum oxide in an exoplanet
von Essen et al. 2019 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Phase Curves of WASP-33b and HD 149026b and a New Correlation between Phase Curve Offset and Irradiation Temperature
Zhang et al. 2018 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
Stassun et al. 2017 | Reference Overview -
Ground-based near-UV observations of 15 transiting exoplanets: constraints on their atmospheres and no evidence for asymmetrical transits
Turner et al. 2016 | Reference Overview -
A temperature inversion in WASP-33b? Large Binocular Telescope occultation data confirm significant thermal flux at short wavelengths
von Essen et al. 2015 | Reference Overview -
Measurement of the Nodal Precession of WASP-33 b via Doppler Tomography
Johnson et al. 2015 | Reference Overview -
Spectroscopic Evidence for a Temperature Inversion in the Dayside Atmosphere of Hot Jupiter WASP-33b
Haynes et al. 2015 | Reference Overview -
Pulsation analysis and its impact on primary transit modeling in WASP-33
von Essen et al. 2014 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
The GROUSE project. III. Ks-band observations of the thermal emission from WASP-33b
de Mooij et al. 2013 | Reference Overview -
Infrared Eclipses of the Strongly Irradiated Planet WASP-33b, and Oscillations of Its Host Star
Deming et al. 2012 | Reference Overview -
Line-profile tomography of exoplanet transits -- II. A gas-giant planet transiting a rapidly-rotating A5 star
Collier Cameron et al. 2010 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
The Hipparcos and Tycho Photometric System Passbands
Tycho 2 converted using Bessell 2000 | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | Reference Overview -
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 | Reference Overview
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