WASP-45 Overview
WASP-45
0.94
R⦿
5140.00
K
WASP-45 b
0.946
RJup
WASP-45 B
WASP-45 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| WASP-45 | ||||||
| WASP-45 b | 3.13 d | 10.6 R⨁ | Transit | 2011 | Anderson et al. 2011 | Confirmed Planet |
| WASP-45 B | ||||||
WASP-45
- This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer 2019)
- Orbital period and mid-transit time updated by author via private communication. (Sodickson & Grunblatt 2025)
- RA
- 00h20m57.06s
- Dec
- -35d59m54.47s
- Distance
-
211.196+1.766-1.737pc
- Parallax
- 4.7064300±0.0389726 mas
- Ecliptic Latitude
- -34.65549 deg
- Ecliptic Longitude
- 348.35107 deg
- Galactic Latitude
- -79.01555 deg
- Galactic Longitude
- 337.20575 deg
- Total Proper Motion
- 70.6847173±0.0438150 mas/yr
- Proper Motion (RA)
- 52.8951000±0.0491793 mas/yr
- Proper Motion (Dec)
- -46.8875000±0.0358452 mas/yr
- Photometry
-
mV11.801±0.062
-
mTESS11.5005±0.0060
-
mJ10.753±0.024
-
mH10.365±0.026
-
mKs10.294±0.021
-
mW110.207±0.022
-
mW210.275±0.020
-
mW310.183±0.059
-
mW48.954001
-
mGaia12.048700±0.000233
-
mB13.334±0.335
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.53±0.04 dex
-
[C/H] 0.62±0.09 dex
-
[O/H] 0.41±0.09 dex
| Source | Addison et al. 2019 | TICv8 | Gaia DR2 | Bonomo et al. 2017 | Stassun et al. 2017 | Ciceri et al. 2016 | Mortier et al. 2013 | Anderson et al. 2011 | ExoFOP | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5150±200 |
5298.000+132.186-149.700
|
5199.000+118.327-178.080
|
5100±200 | 5140±200 | 5100 | 5298±95 | 5140±200 | 5100 | ||
|
γ
(km/s)
|
4.550±0.002 | --- | 4.947496420624436±0.338396734837393 | --- | --- | --- | --- | 4.54995±0.00063 | --- | ||
|
v sin i
(km/s)
|
--- | --- | --- | 2.30±0.70 | --- | --- | --- | 2.3±0.7 | --- | ||
|
M✶
(M⦿)
|
0.850+0.076-0.070
|
0.91000000+0.12885500-0.09157560
|
--- | 0.909±0.060 | 0.950±0.390 | 0.904±0.067 | 0.95±0.09 | 0.909±0.060 | --- | ||
|
R✶
(R⦿)
|
0.855+0.039-0.038
|
0.8747060+0.0596839-0.0538688
|
0.9071620+0.0654909-0.0399250
|
0.9450+0.0870-0.0710
|
0.960±0.100 | 0.917±0.024 | 1.00±0.25 | 0.945±0.087 | 0.874705970287323±0.056776300000000 | ||
|
Metallicity
(dex)
|
-0.030±0.200 [Fe/H] | 0.43±0.06 [M/H] | --- | 0.36±0.12 | 0.0 [Fe/H] | 0.5 [Fe/H] | 0.43±0.06 [Fe/H] | --- | --- | ||
|
ρ✶
(g/cm3)
|
1.92±0.17 |
1.9169972+0.6014108-0.3809139
|
--- | --- | 1.53±0.40 | 1.654±0.066 | 1.08±0.25 | --- | --- | ||
|
log g
(log10(cm/s2))
|
4.503+0.027-0.029
|
4.5133800+0.1020980-0.0741705
|
--- | --- | 4.45±0.07 | 4.470±0.014 | 4.43±0.18 | --- | 4.4651 | ||
|
Age
(Gyr)
|
--- | --- | --- |
12.7+1.0-5.3
|
--- |
7.20+8.90-9.10
|
--- | --- | --- | ||
|
Sp. T
|
--- | --- | --- | --- | --- | K2 V | --- | --- | --- | ||
|
L✶
(log10(L⦿))
|
-0.3355+0.0910-0.0973
|
-0.2651329+0.0151008-0.0194609
|
-0.2662563+0.0052672-0.0053319
|
--- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Addison et al. 2019 | Sodickson & Grunblatt 2025 | Kokori et al. 2023 | Ivshina & Winn 2022 | Kokori et al. 2022 | Bonomo et al. 2017 | Stassun et al. 2017 | Ciceri et al. 2016 | Anderson et al. 2011 | ExoFOP | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
P
(days)
|
3.126089±0.000003 | 3.12607401884846814±0.00000018744972841 | 3.12607728±0.00000071 | 3.12607402±0.00000092 | 3.1260777±0.0000008 | 3.1260876±0.0000035 | 3.126090±0.000003 | 3.1260960±0.0000049 | 3.1260876±0.0000035 | 3.126075095855992±0.000001187137000 | ||
|
TC
(days)
|
2458339.143039+0.000312-0.000310
(BJD-TDB)
|
2458339.1444441592321±0.0001207936863
(BJD)
|
2458536.08601±0.00023
(BJD-TDB)
|
2456497.88584±0.00049
(BJD-TDB)
|
2458254.7392±0.0003
(BJD-TDB)
|
2455441.26999±0.00058
(BJD-TDB)
|
--- |
2455441.2687±0.0010
(BJD-TDB)
|
2455441.26925±0.00058
(HJD-UTC)
|
2458354.77371000±0.00021516
(BJD)
|
||
|
Mp
(M⨁)
|
306.4+18.4-17.8
|
--- | --- | --- | --- | 318.8±17.2 | 331±92 | 318.5±19.7 | 320.041±16.844 | --- | ||
|
Mp
(MJup)
|
0.9640+0.0580-0.0560
|
--- | --- | --- | --- | 1.003±0.054 | 1.04±0.29 | 1.002±0.062 | 1.007±0.053 | --- | ||
|
e
|
--- | --- | --- | --- | --- | <0.043 | 0.0 | --- | 0. | --- | ||
|
i
(deg)
|
85.02+0.20-0.22
|
--- | 84.69±0.10 | --- | --- |
84.47+0.54-0.79
|
84.47±0.67 | 84.686±0.098 |
84.47 +0.54-0.79
|
--- | ||
|
ρ
(g/cm3)
|
1.418±0.207 | --- | --- | --- | --- |
0.790+0.390-0.370
|
--- | 1.275±0.102 | 0.851±0.399 | --- | ||
|
Rp
(R⨁)
|
10.60+0.65-0.57
|
--- | --- | --- | --- |
13.0+3.1-1.6
|
12.8±1.5 | 11.1±0.4 |
13.002 +3.138-1.569
|
10.809962510481233±0.716309370000000 | ||
|
Rp
(RJup)
|
0.9460+0.0580-0.0510
|
--- | --- | --- | --- |
1.16+0.28-0.14
|
1.14±0.13 | 0.992±0.038 |
1.16 +0.28-0.14
|
0.96440192019255000±0.06390495167861249 | ||
|
a
(au)
|
0.03963+0.00114-0.00112
|
--- | --- | --- | --- |
0.04054+0.00087-0.00093
|
--- | 0.0405±0.0010 | 0.04054±0.00090 | --- | ||
|
δ
(%)
|
1.29+0.07-0.05
|
--- | --- | --- | --- | --- | 1.500±0.071 | --- | 1.495±0.071 | 1.115827645885±0.018308165000 | ||
|
T14
(hours)
|
1.68±0.03 | --- | --- | --- | --- | --- | --- | --- | 1.7904±0.084 | 1.7204573923295836±0.0228342400000000 | ||
|
Teq
(K)
|
1153±50 | --- | --- | --- | --- | --- | --- | 1170±24 | --- | 1085.5257000543106 | ||
|
S
(S⨁)
|
294+54-48
|
--- | --- | --- | --- | --- | --- | --- | --- | 328.15682523180584 | ||
|
a/R✶
|
9.970+0.300-0.310
|
--- |
9.50+0.13-0.12
|
--- | --- | --- | 9.250±0.800 |
9.497+0.128-0.125
|
--- | --- | ||
|
Rp/R✶
|
0.1137+0.0029-0.0022
|
--- | 0.1095±0.0024 | --- | --- | --- | --- | 0.1095±0.0024 | --- | --- | ||
|
K
(m/s)
|
149±2 | --- | --- | --- | --- |
148.2+4.4-4.6
|
148.3±4.1 | --- | --- | --- | ||
|
b
|
0.866+0.013-0.012
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | ||
|
Mp sin i
(M⨁)
|
305.4+18.4-17.5
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | ||
|
Mp sin i
(MJup)
|
0.9610+0.0580-0.0550
|
--- | --- | --- | --- | --- | --- | --- | --- | --- |
- RA
- 00h20m56.82s
- Dec
- -35d59m51.24s
- Distance
-
233.688+22.450-18.881pc
- Parallax
- 4.296800±0.365566 mas
- Ecliptic Latitude
- -34.65431 deg
- Ecliptic Longitude
- 348.35073 deg
- Galactic Latitude
- -79.01575 deg
- Galactic Longitude
- 337.21204 deg
- Total Proper Motion
- 70.4627751±0.4274549 mas/yr
- Proper Motion (RA)
- 50.731500±0.483572 mas/yr
- Proper Motion (Dec)
- -48.901100±0.357344 mas/yr
- Photometry
-
mV19.7920±0.0902
-
mTESS18.0583±0.0209
-
mJ---
-
mH---
-
mKs---
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mGaia19.007400±0.003373
-
mB---
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Radial Velocity Curve | 13 | Optical Spectra | Anderson et al. 2011 |
WASP-45 Nearby Data
(within 30 arcseconds)
Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 1 Associated Literature Data
WASP-45 B Nearby Data
(within 30 arcseconds)
Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 1 Associated Literature Data
-
In Search of Decay: An Analysis of Transit Times of Hot Jupiters in Main-sequence and Post-main-sequence Systems
Sodickson & Grunblatt 2025 Reference Overview -
ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 Reference Overview -
TESS Transit Timing of Hundreds of Hot Jupiters
Ivshina & Winn 2022 Reference Overview -
ExoClock Project. II. A Large-scale Integrated Study with 180 Updated Exoplanet Ephemerides
Kokori et al. 2022 Reference Overview -
Search for stellar companions of exoplanet host stars by exploring the second ESA-Gaia data release
Mugrauer 2019 Reference Overview -
Minerva-Australis I: Design, Commissioning, & First Photometric Results
Addison et al. 2019 Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
Gaia Data Release 2
Gaia DR2 Reference Overview -
ExoFOP TOI Table
ExoFOP -
The GAPS Programme with HARPS-N at TNG . XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets
Bonomo et al. 2017 Reference Overview -
Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
Stassun et al. 2017 Reference Overview -
High-resolution Imaging of Transiting Extrasolar Planetary systems (HITEP). I. Lucky imaging observations of 101 systems in the southern hemisphere
Evans et al. 2016 Reference Overview -
Physical properties of the planetary systems WASP-45 and WASP-46 from simultaneous multiband photometry
Ciceri et al. 2016 Reference Overview -
All WISE Data Release
Cutri et al. 2014 Reference Overview -
New and updated stellar parameters for 90 transit hosts. The effect of the surface gravity
Mortier et al. 2013 Reference Overview -
WASP-44b, WASP-45b and WASP-46b: three short-period, transitingextrasolar planets
Anderson et al. 2011 Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
- System
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- Candidate
- False Positive Planet
- Controversial
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- Aliases
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- Time Series
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