HAT-P-9 | NASA Exoplanet Archive

Host	Planet	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
HAT-P-9	HAT-P-9 b	3.92 d	15.61 R_⨁	Transit	2008	Shporer et al. 2009	Confirmed Planet

HAT-P-9 Stellar Parameters (9 Solutions)

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RA: 07h20m40.44s

Dec: +37d08m26.14s

Distance: 455.203+8.968-8.635
pc

Parallax: 2.1687000±0.0421441 mas

Ecliptic Latitude: 14.85084 deg

Ecliptic Longitude: 106.51575 deg

Galactic Latitude: 21.4426 deg

Galactic Longitude: 181.08665 deg

Total Proper Motion: 16.2127474±0.0668138 mas/yr

Proper Motion (RA): -9.6299500±0.0711222 mas/yr

Proper Motion (Dec): -13.0429000±0.0643438 mas/yr

Photometry: m_V
12.344±0.047; m_TESS
11.7946±0.0071; m_J
11.274±0.022; m_H
11.043±0.032; m_Ks
11.015±0.021; m_W1
10.991±0.024; m_W2
11.016±0.022; m_W3
10.892±0.139; m_W4
8.693; m_Gaia
12.153600±0.000227; m_B
12.346±0.475; m_g
12.718100±0.001017; m_i
14.2577000±0.0109579; m_r
12.206100±0.000783; m_u
15.4634000±0.0108139; m_z
13.7853000±0.0102921

Abundances (Hypatia Catalog): [Fe/H] 0.12±0.04 dex; [C/H] -0.07±0.09 dex; [O/H] 0.14±0.09 dex; [Na/H] -0.10±0.04 dex; [Mg/H] 0.02±0.07 dex; [Al/H] -0.26±0.06 dex; [Si/H] 0.07±0.05 dex; [Ca/H] 0.17±0.06 dex; [Y/H] 0.23±0.08 dex

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; TOI; Stellar Hosts

Source	TICv8	Wang et al. 2019	Gaia DR2	Bonomo et al. 2017	Southworth 2012	Moutou et al. 2011	Shporer et al. 2009	Luo et al. 2018	ExoFOP	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	6193.000+139.785-135.111	6350±150	6340.5000+73.8335-56.2676	6350±150	6350±150	6350±150	6350±150	---	6193.000±137.448
L_✶ (log₁₀(L_⦿))	0.3501165+0.0246653-0.0230929	0.418+0.041-0.040	0.32965165+0.01198435-0.01232446	---	---	---	0.41±0.09	---	---
v sin i (km/s)	---	---	---	11.9±1.0	---	12.5±1.8	11.9±1.0	---	---
M_✶ (M_⦿)	1.190000+0.178162-0.178249	1.281+0.057-0.056	---	1.28±0.13	1.28±0.10	1.28±0.13	1.28±0.13	---	---
R_✶ (R_⦿)	1.2999000+0.0678819-0.0728216	1.338+0.065-0.060	1.2112435+0.0217874-0.0277241	1.320±0.070	1.339±0.080	---	1.32±0.07	---	1.30±0.07
Metallicity (dex)	0.080±0.100 [M/H]	0.12±0.20 [Fe/H]	---	0.12±0.20	0.12±0.20 [Fe/H]	---	---	---	---
γ (km/s)	---	22.6662+0.0054-0.0053	---	---	---	22.628±0.008	---	---	---
ρ_✶ (g/cm³)	0.7638115+0.2349588-0.1426885	0.755+0.094-0.088	---	---	0.752±0.116	---	---	---	---
log g (log₁₀(cm/s²))	4.2858000+0.1061070-0.0766835	4.293+0.033-0.035	---	---	4.293±0.046	---	---	---	4.2858000±0.0913953
Sp. T	---	---	---	---	---	---	---	F7	---
Age (Gyr)	---	---	---	1.6+1.8-1.4	1.6+1.5-2.0	---	---	---	---

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HAT-P-9 b Planetary Parameters (10 Solutions)

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Status: Confirmed Planet

Detected By: Radial Velocity, Transit

Tools: Planetary Systems; Transit Prediction Service; TOI; Transit

Source	Wang et al. 2019	Kokori et al. 2023	Patel & Espinoza 2022	Ivshina & Winn 2022	Kokori et al. 2022	Bonomo et al. 2017	Southworth 2012	Moutou et al. 2011	Shporer et al. 2009	ExoFOP	Show Candidate Solutions >>	<< Hide Candidate Solutions
a/R_✶	8.50+0.34-0.35	8.5±0.3	8.73+0.63-0.52	---	---	---	8.4962+0.4564-0.4121	---	8.6±0.2	---
b	0.510+0.044-0.052	---	0.460+0.100-0.213	---	---	---	---	---	0.52±0.03	---
P (days)	3.92281072±0.00000102	3.92281131±0.00000039	3.9228108±0.0000009	3.92281147±0.00000086	3.9228105±0.0000008	3.9228140±0.0000020	3.922814±0.000002	3.92289	3.92289±0.00004	3.9228042±0.0000043
R_p/R_✶	0.10696+0.00086-0.00087	0.1070±0.0009	0.1079+0.0019-0.0029	---	---	---	---	---	0.1083±0.0005	---
T_C (days)	2455484.913088±0.000386 (BJD-TDB)	2456489.15311±0.00019 (BJD-TDB)	2458854.60866+0.00040-0.00043 (BJD)	2457042.26959±0.00036 (BJD-TDB)	2455473.14492±0.00023 (BJD-TDB)	2454417.9084±0.0006 (BJD-TDB)	---	---	2454417.9077±0.0003 (HJD)	2459603.8650800±0.0005119 (BJD)
T_p (days)	2457811.72+0.47-0.37 (BJD-TDB)	---	---	---	---	---	---	---	---	---
T_eq (K)	1540+32-30	---	---	---	---	---	1540±53	---	1530±40	1369
S (S_⨁)	931.0+73.0-69.0	---	---	---	---	---	---	---	---	583.697
ω (deg)	152+42-39	152.0+42.0-39.0	---	---	---	---	---	---	---	---
M_p (M_⨁)	238+20-20	---	---	---	---	242+32-29	247±26	213±25	247.90±28.60	---
M_p (M_Jup)	0.749+0.064-0.063	---	---	---	---	0.761+0.100-0.092	0.778±0.083	0.67±0.08	0.78±0.09	---
M_p sin i (M_⨁)	238±20	---	---	---	---	---	---	---	---	---
M_p sin i (M_Jup)	0.748±0.063	---	---	---	---	---	---	---	---	---
e	0.0840+0.0520-0.0470	0.080±0.050	---	---	---	<0.16	---	---	0	---
i (deg)	86.44+0.37-0.36	86.4±0.4	---	---	---	86.50±0.20	86.10±0.54	---	86.5±0.2	---
ρ (g/cm³)	0.342+0.057-0.048	---	---	---	---	0.344+0.069-0.058	0.366±0.088	---	0.35±0.06	---
R_p (R_⨁)	15.61+0.75-0.73	---	---	---	---	15.69±0.67	15.5±1.1	16	15.69±0.67	15.849300±0.873536
R_p (R_Jup)	1.393+0.067-0.065	---	---	---	---	1.400±0.060	1.38±0.10	1.4	1.40±0.06	1.4139823±0.0779318
K (m/s)	82.1+6.5-6.4	---	---	---	---	84.6±8.9	84.7±7.9	73.8±6.7	84.7±7.9	---
a (au)	0.05287±0.00078	---	---	---	---	0.0529+0.0017-0.0018	0.0529±0.0014	---	0.053±0.002	---
δ (%)	1.144+0.018-0.019	---	---	---	---	---	---	---	1.17±0.01	1.397000000±0.000133437
T₁₄ (hours)	3.360±0.034	---	---	---	---	---	---	---	3.432±0.096	3.205±0.097
λ (deg)	---	---	---	---	---	---	---	-16±8	---	---

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Ancillary Information (8 Unique Files)

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+ HAT-P-9 (2 File Types, 8 Files)

Literature Time Series (2 File Types, 8 Files)

File Type	Data Points	Filter	Reference
Radial Velocity Curve	15	Optical Spectra	Shporer et al. 2009
Amateur Light Curve	161	Clear, no filter	Amateur-Contributed Light Curves
Amateur Light Curve	161	Clear, no filter	Amateur-Contributed Light Curves
Amateur Light Curve	155	Clear, no filter	Amateur-Contributed Light Curves
Amateur Light Curve	155	Clear, no filter	Amateur-Contributed Light Curves
Amateur Light Curve	77	Clear, no filter	Amateur-Contributed Light Curves
Amateur Light Curve	157	R (Generic)	Amateur-Contributed Light Curves
Amateur Light Curve	82	R (Generic)	Amateur-Contributed Light Curves