HAT-P-2 Overview
HAT-P-2
1.64
R⦿
6290.00
K
HAT-P-2 b
HAT-P-2 c
- Other Data
- Bibliography 28
- Exoplanet Archive Notes 3
- Nearby Data 4
Discovery Data
Host | Planet | Method | Year | Reference | Disposition |
---|---|---|---|---|---|
HAT-P-2 | HAT-P-2 b | Transit | 2007 | Bakos et al. 2007 | Confirmed Planet |
HAT-P-2 | HAT-P-2 c | Radial Velocity | 2023 | de Beurs et al. 2023 | Confirmed Planet |
HAT-P-2 b
- Orbital inclination scaled to 1-sigma. (Bakos et al. 2007)
- Planetary parameter values drawn from Table 7, model "G1+GAO+PO" in ref. (Garai et al. 2017)
- HAT-P-2 b planet parameters taken from Table 2, (v) Evolving Two Planets (Two Keplerians) (de Beurs et al. 2023)
- RA
- 16h20m36.34s
- Dec
- +41d02m52.66s
- Distance
-
127.774+0.425-0.423pc
- Parallax
- 7.7974900±0.0257663 mas
- Ecliptic Latitude
- 61.01151 deg
- Ecliptic Longitude
- 229.15796 deg
- Galactic Latitude
- 45.2323 deg
- Galactic Longitude
- 65.02085 deg
- Total Proper Motion
- 30.9650963±0.0509183 mas/yr
- Proper Motion (RA)
- -10.3120000±0.0409495 mas/yr
- Proper Motion (Dec)
- -29.197600±0.052028 mas/yr
- Photometry
-
mV8.72±0.03
-
mTESS8.27468±0.00610
-
mJ7.796±0.027
-
mH7.652±0.038
-
mKs7.603±0.020
-
mW17.571±0.025
-
mW27.582±0.020
-
mW37.581±0.017
-
mW47.567±0.102
-
mGaia8.59842±0.00025
-
mB9.150±0.028
Source | de Beurs et al. 2023 | TICv8 | Ment et al. 2018 | Gaia DR2 | Bonomo et al. 2017 | Stassun et al. 2017 | de Wit et al. 2017 | Garai et al. 2017 | Salz et al. 2015 | Tsantaki et al. 2014 | Knutson et al. 2014 | Southworth 2010 | Pal et al. 2010 | Loeillet et al. 2008 | Torres et al. 2008 | Bakos et al. 2007 | Cannon & Pickering 1918 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M✶
(M⦿)
|
1.33±0.03 |
1.290000+0.224551-0.158558
|
1.33±0.03 | --- | 1.360±0.040 | 1.93±0.49 | --- | --- | --- | 1.34±0.09 | 1.36±0.04 | 1.279±0.046 | 1.36±0.04 |
1.298+0.062-0.098
|
1.308+0.088-0.078
|
1.298+0.062-0.098
|
--- | --- | ||
Teff
(K)
|
--- |
6412.830+102.682-110.120
|
6380 |
6338.3496+156.1500-115.6500
|
6290±60 | 6412±1 | --- | --- | 6300 | 6414±51 | --- | 6290±60 | 6290±60 | --- | 6290±110 | 6290±110 | --- | 6412.8±106.4 | ||
L✶
(log10(L⦿))
|
--- |
0.6457905+0.0202149-0.0128414
|
0.53±0.08 |
0.6402163+0.0024223-0.0024359
|
--- | --- | --- | --- | --- | --- | --- | --- |
0.577 +0.052-0.046
|
--- |
0.505+0.099-0.087
|
0.485+0.052-0.134
|
--- | --- | ||
Metallicity
(dex)
|
--- | 0.0535135±0.0406867 [M/H] | 0.18 [Fe/H] | --- | 0.140±0.080 | 0.06 [Fe/H] | --- | --- | --- | 0.04±0.05 [Fe/H] | 0.14±0.08 [Fe/H] | 0.14±0.08 [Fe/H] | 0.14±0.08 [Fe/H] | 0.11±0.10 | 0.12±0.08 [Fe/H] | 0.12±0.08 | --- | --- | ||
v sin i
(km/s)
|
--- | --- | --- | --- | 20.80±0.30 | --- | --- | --- | --- | 20.50±1.34 | --- | --- | 20.8±0.3 | 21.3±1.3 | --- | 19.8±1.6 | --- | --- | ||
Age
(Gyr)
|
--- | --- | 1.44±0.47 | --- | 2.60±0.50 | --- | --- | --- | 0.4 | --- | --- |
2.6+0.6-0.8
|
2.6±0.5 | --- | 2.6±0.8 |
2.6+0.8-1.4
|
--- | --- | ||
R✶
(R⦿)
|
--- |
1.7039200+0.0804382-0.0528432
|
1.39±0.09 |
1.7330393+0.0650160-0.0823347
|
1.640+0.090-0.080
|
1.71±0.06 | --- | --- | --- | 1.54±0.12 | --- | 1.68±0.15 |
1.64 +0.09-0.08
|
1.416+0.040-0.062
|
1.506+0.130-0.096
|
1.474+0.042-0.167
|
--- | 1.70±0.07 | ||
log g
(log10(cm/s2))
|
--- |
4.0857600+0.0871321-0.0742658
|
--- | --- | --- | 4.16±0.02 | --- | --- | --- | 4.18±0.22 | --- | 4.092±0.074 | 4.16±0.03 | --- |
4.199+0.043-0.053
|
4.214+0.085-0.015
|
--- | 4.09±0.08 | ||
Sp. T
|
--- | --- | F8 | --- | --- | --- | --- | --- | F8 V | --- | --- | --- | --- | --- | --- | F8 | F8 | --- | ||
ρ✶
(g/cm3)
|
--- |
0.3676291+0.0875299-0.0684493
|
--- | --- | --- | 0.55±0.13 | 0.434±0.020 | --- | --- | --- | --- | 0.378±0.099 | --- | --- |
0.618+0.006-0.160
|
--- | --- | --- | ||
γ
(km/s)
|
--- | --- | --- | -20.363631118560065±0.345721474113717 | --- | --- | --- | -0.220±0.022 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
Source | Ment et al. 2018 | de Beurs et al. 2023 | Kokori et al. 2023 | Patel & Espinoza 2022 | Ivshina & Winn 2022 | Bonomo et al. 2017 | Stassun et al. 2017 | de Wit et al. 2017 | Garai et al. 2017 | Salz et al. 2015 | Knutson et al. 2014 | Southworth 2010 | Pal et al. 2010 | Torres et al. 2008 | Loeillet et al. 2008 | Bakos et al. 2007 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
a/R✶
|
--- | --- |
8.99+0.39-0.41
|
9.04+0.19-0.18
|
--- | --- | 9.720±0.760 | --- | --- | --- | --- |
8.0192+0.7450-0.6283
|
8.99 +0.39-0.41
|
10.12+0.03-0.99
|
10.28+0.12-0.19
|
9.770+1.100-0.020
|
--- | ||
Mp
(M⨁)
|
--- | 2867±32 | --- | --- | --- |
2765+60-64
|
3633±617 | --- | --- | 2828.6 | 3175±73 | 2778±86 | 2888.95±76.28 |
2771+124-114
|
2740+124-175
|
2873±159 | --- | ||
Mp
(MJup)
|
--- | 9.02±0.10 | --- | --- | --- |
8.70+0.19-0.20
|
11.43±1.94 | --- | --- | 8.9 | 9.990±0.230 | 8.74±0.27 | 9.09±0.24 |
8.72+0.39-0.36
|
8.62+0.39-0.55
|
9.04±0.50 | --- | ||
e
|
0.5172±0.0019 |
0.502+0.011-0.012
|
0.5171±0.0033 | --- | --- |
0.50833+0.00082-0.00075
|
0.52±0.00 | 0.51023±0.00042 | 0.510±0.016 | 0.5 |
0.50790+0.00093-0.00079
|
--- | 0.5171±0.0033 | --- |
0.5163+0.0025-0.0023
|
0.520±0.010 | --- | ||
i
(deg)
|
--- | --- |
86.72+1.12-0.87
|
--- | --- |
86.72+1.10-0.87
|
86.72±1.00 | 86.16±0.26 | 87.2±0.3 | --- | --- | 85.9±1.5 |
86.72 +1.12-0.87
|
90.0+0.0-3.4
|
90.00+0.85-0.93
|
>87.3 | --- | ||
P
(days)
|
5.6335158±0.0000036 |
5.63346964+0.00000063-0.00000062
|
5.63346785±0.00000061 | 5.6335152±0.0000034 | 5.63346961±0.00000064 | 5.6334754±0.0000026 | 5.633470±0.000006 | 5.6334675±0.0000013 | 5.633472 | 5.6 | --- | 5.6334729±0.0000061 | 5.6334729±0.0000061 | 5.633320 | 5.63341 | 5.63341±0.00013 | 5.633477±0.000001 | ||
Rp
(R⨁)
|
--- | --- | --- | --- | --- |
12.97+0.82-0.71
|
13.5±0.9 | --- | --- | 12.3 | --- | 13.3±1.3 |
12.969 +0.818-0.695
|
11.24+0.94-0.74
|
10.66+0.44-0.59
|
11.01+0.43-1.18
|
13.258300±0.519371 | ||
Rp
(RJup)
|
--- | --- | --- | --- | --- |
1.157+0.073-0.063
|
1.20±0.08 | --- | --- | 1.1 | --- | 1.19±0.12 |
1.157 +0.073-0.062
|
1.003+0.084-0.066
|
0.9510+0.0390-0.0530
|
0.9820+0.0380-0.1050
|
1.1828283±0.0463353 | ||
K
(m/s)
|
953.3±3.6 | --- | --- | --- | --- |
938.1+10.0-9.9
|
983.90±17.20 | --- | 930±42 | --- | 929±11 | 983.90±17.20 | 983.9±17.2 | 968.6±8.3 | 966.9±8.3 | 1011±38 | --- | ||
δ
(%)
|
--- | --- | --- | --- | --- | --- | 0.520±0.061 | 0.4941±0.0039 | --- | --- | --- | --- | --- | --- | --- | --- | 0.56510000±0.00222349 | ||
Teq
(K)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | 1700 | --- | 1516±66 | 1540±30 |
1398+61-33
|
--- | --- | 1372 | ||
b
|
--- | --- | --- |
0.457+0.035-0.040
|
--- | --- | --- | --- | --- | --- | --- | --- |
0.395 +0.080-0.123
|
0.0+0.4-0.0
|
--- | --- | --- | ||
ρ
(g/cm3)
|
--- | --- | --- | --- | --- |
7.3+1.4-1.1
|
--- | --- | --- | 7.3 | --- | 6.8±2.0 | 7.29±1.12 |
10.7+2.5-2.3
|
12.5+2.6-3.6
|
11.9+4.8-1.6
|
--- | ||
Rp/R✶
|
--- | --- | 0.07227±0.00061 | 0.0691±0.0004 | --- | --- | --- | --- | 0.0678±0.0002 | --- | --- | --- | 0.07227±0.00061 |
0.06840+0.00087-0.00073
|
0.06891+0.00090-0.00086
|
0.0684±0.0009 | --- | ||
a
(au)
|
0.06814±0.00051 | --- | --- | --- | --- |
0.06880+0.00065-0.00070
|
--- | --- | --- | 0.068 | --- | 0.06740±0.00081 | 0.06878±0.00068 |
0.0679+0.0015-0.0014
|
0.0677+0.0011-0.0017
|
0.0677±0.0014 | --- | ||
S
(S⨁)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 588.518 | ||
T14
(hours)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 4.2888±0.0312 | --- | --- | 4.25±0.05 | 4.132±0.081 | ||
TC
(days)
|
--- | --- | 2458657.66292±0.00011 |
2459006.93776+0.00033-0.00035
|
2455756.42709±0.00034 | 2455288.84910±0.00037 | --- | 2455288.84969±0.00039 | 2454387.4937 | --- | --- | --- | 2454387.49375±0.00074 | --- | --- | 2454212.8559±0.0007 | 2460477.2759070±0.0001407 | ||
ω
(deg)
|
188.01±0.20 |
188.80+0.57-0.58
|
185.22±0.95 | --- | --- |
186.96+0.87-0.88
|
--- | 188.44±0.43 | 181±5 | --- | 186.2±1.1 | --- | 185.22±0.95 | --- |
189.92+1.06-1.20
|
179.3±3.6 | --- | ||
Tp
(days)
|
2463982.4915±0.0024 |
2455289.48643+0.00033-0.00034
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
2454213.4794+0.0053-0.0030
|
2454213.369±0.041 | --- | ||
Mp sin i
(M⨁)
|
2740±54 | 2867±32 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||
Mp sin i
(MJup)
|
8.62±0.17 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||
Occ. Depth
(%)
|
--- | --- | --- | --- | --- | --- | --- | 0.0971±0.0021 | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||
λ
(deg)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
0.2 +12.2-12.5
|
--- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
Source | de Beurs et al. 2023 |
---|---|
Tp
(days)
|
2454150+430-800
|
ω
(deg)
|
38±32 |
Mp
(M⨁)
|
3401+1653-699
|
Mp
(MJup)
|
10.7+5.2-2.2
|
e
|
0.37+0.13-0.12
|
i
(deg)
|
90.0±16.0 |
P
(days)
|
8500+2600-1500
|
K
(m/s)
|
89.0+39.0-13.0
|
Literature Stellar Spectra
(2 Files)
File Type | Spectrum Type | Wavelength Category | Reference |
---|---|---|---|
Spectra | echelle grating | Optical | N2K Consortium |
Spectra | echelle grating | Optical | N2K Consortium |
Literature Time Series
(3 File Types, 7 Files)
File Type | Data Points | Filter | Reference |
---|---|---|---|
Photometric Light Curve | 127 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
Radial Velocity Curve | 14 | Optical Spectra | Pal et al. 2010 |
Radial Velocity Curve | 63 | Optical Spectra | Loeillet et al. 2008 |
Radial Velocity Curve | 53 | Optical Spectra | Bakos et al. 2007 |
Radial Velocity Curve | 13 | Optical Spectra | Bakos et al. 2007 |
Radial Velocity Curve | 10 | Optical Spectra | Bakos et al. 2007 |
Amateur Light Curve | 342 | R (Generic) | Amateur-Contributed Light Curves |
- Known Objects
- 2 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 2 Associated Literature Data
-
Revisiting Orbital Evolution in HAT-P-2 b and Confirmation of HAT-P-2 c
de Beurs et al. 2023 | Reference Overview -
ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 | Reference Overview -
Empirical Limb-darkening Coefficients and Transit Parameters of Known Exoplanets from TESS
Patel & Espinoza 2022 | Reference Overview -
TESS Transit Timing of Hundreds of Hot Jupiters
Ivshina & Winn 2022 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810
Ment et al. 2018 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
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 -
Planet-induced Stellar Pulsations in HAT-P-2's Eccentric System
de Wit et al. 2017 | Reference Overview -
Affordable echelle spectroscopy of the eccentric HAT-P-2, WASP-14, and XO-3 planetary systems with a sub-meter-class telescope
Garai et al. 2017 | Reference Overview -
High-energy irradiation and mass loss rates of hot Jupiters in the solar neighborhood
Salz et al. 2015 | Reference Overview -
Spectroscopic parameters for solar-type stars with moderate-to-high rotation. New parameters for ten planet hosts
Tsantaki et al. 2014 | Reference Overview -
Friends of Hot Jupiters I: A Radial Velocity Search for Massive, Long-Period Companions to Close-In Gas Giant Planets
Knutson et al. 2014 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
Homogeneous studies of transiting extrasolar planets - III. Additional planets and stellar models
Southworth 2010 | Reference Overview -
Exoplanet Archive Help: Amateur Light Curves
Amateur-Contributed Light Curves -
Refined stellar, orbital and planetary parameters of the eccentric HAT-P-2 planetary system
Pal et al. 2010 | Reference Overview -
Improved Parameters for Extrasolar Transiting Planets
Torres et al. 2008 | Reference Overview -
Refined parameters and spectroscopic transit of the super-massive planet HD 147506b
Loeillet et al. 2008 | Reference Overview -
HD 147506b: A Supermassive Planet in an Eccentric Orbit Transiting a Bright Star
Bakos et al. 2007 | Reference Overview -
N2K
N2K Consortium -
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
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
- Browse
- Download