HD 149026 | NASA Exoplanet Archive

Host	Planet	Method	Year	Reference	Disposition
HD 149026	HD 149026 b	Radial Velocity	2005	Sato et al. 2005	Confirmed Planet

Exoplanet Archive Notes (1)

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HD 149026 b

Units for radial velocity semi-amplitude given incorrectly in ref. (Albrecht et al. 2012)

HD 149026 Stellar Parameters (17 Solutions)

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RA: 16h30m29.52s

Dec: +38d20m51.13s

Distance: 75.8643+0.1740-0.1733
pc

Parallax: 13.1526000±0.0299472 mas

Ecliptic Latitude: 59.05972 deg

Ecliptic Longitude: 234.49574 deg

Galactic Latitude: 43.28357 deg

Galactic Longitude: 61.29711 deg

Total Proper Motion: 93.9751146±0.0502696 mas/yr

Proper Motion (RA): -77.8994000±0.0475469 mas/yr

Proper Motion (Dec): 52.564300±0.055785 mas/yr

Photometry: m_V
8.15±0.03; m_TESS
7.6262±0.0060; m_J
7.118±0.024; m_H
6.899±0.018; m_Ks
6.819±0.017; m_W1
6.786±0.069; m_W2
6.802±0.022; m_W3
6.822±0.016; m_W4
6.846±0.076; m_Gaia
8.014160±0.000382; m_B
8.753±0.026

Abundances (Hypatia Catalog): [Fe/H] 0.37±0.16 dex; [C/H] 0.28±0.24 dex; [O/H] 0.24±0.62 dex; [Na/H] 0.41±0.24 dex; [Mg/H] 0.27±0.19 dex; [Al/H] 0.30±0.18 dex; [Si/H] 0.35±0.12 dex; [Ca/H] 0.36±0.10 dex; [Y/H] 0.43±0.06 dex; [BaII/H] 0.08±0.15 dex

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

Source	TICv8	Ment et al. 2018	Gaia DR2	Zhang et al. 2018	Bonomo et al. 2017	Stassun et al. 2017	Maldonado et al. 2015	Knutson et al. 2014	Mortier et al. 2013	Albrecht et al. 2012	Southworth 2010	Carter et al. 2009	Torres et al. 2008	Sato et al. 2005	Nordstrom et al. 2004	Cannon & Pickering 1918	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	6084.000+128.019-151.845	6084	6075.750+107.250-74.725	6160	6160±50	6179±15	6300±30	---	6162±41	---	6147±50	6160±50	6160±50	6147±50	---	---	6084.0±139.9
L_✶ (log₁₀(L_⦿))	0.42041094+0.01221134-0.01439748	0.44±0.05	0.4222889+0.0015904-0.0015963	---	---	---	---	---	---	---	---	0.48±0.03	0.386+0.086-0.068	0.43 +0.07-0.09	---	---	---
Metallicity (dex)	0.33±0.10 [M/H]	0.36 [Fe/H]	---	0.36 [M/H]	0.360±0.080	0.32 [Fe/H]	0.49±0.04 [Fe/H]	0.24±0.07 [Fe/H]	0.36±0.05 [Fe/H]	---	0.36±0.05 [Fe/H]	0.36±0.08 [Fe/H]	0.36±0.08 [Fe/H]	0.36±0.05 [Fe/H]	---	---	---
Age (Gyr)	---	2.22±0.44	---	---	2.60±0.20	---	---	---	---	---	1.2+1.1-1.5	2.6 +0.3-0.2	1.9±0.9	2.0±0.8	---	---	---
ρ_✶ (g/cm³)	0.5159781+0.1071906-0.1295832	---	---	---	---	0.72±0.16	---	---	0.59±0.11	---	0.8340+0.1170-0.1820	0.497 +0.042-0.057	0.8220+0.0110-0.2500	---	---	---	---
M_✶ (M_⦿)	1.140000+0.174004-0.134794	1.30±0.22	---	---	1.340±0.020	1.42±0.33	---	1.345±0.020	1.26±0.09	---	1.271+0.045-0.029	1.345±0.020	1.294+0.060-0.050	1.3±0.1	---	---	---
R_✶ (R_⦿)	1.4604300+0.0806990-0.0646126	1.50±0.09	1.4675648+0.0367760-0.0504710	---	1.534+0.049-0.047	1.41±0.03	---	---	1.21±0.17	---	1.290+0.120-0.058	1.541 +0.046-0.042	1.368+0.120-0.083	1.45±0.1	---	---	1.46±0.07
log g (log₁₀(cm/s²))	4.1660100+0.0796902-0.0914125	---	---	4.278	---	4.37±0.04	4.73±0.09	---	4.37±0.10	---	4.321+0.042-0.070	4.189 +0.020-0.021	4.278+0.045-0.063	4.26±0.07	---	---	4.17±0.09
v sin i (km/s)	---	---	---	---	6.00±0.50	---	---	---	---	7.7±0.8	---	---	---	6.0±0.5	7	---	---
Sp. T	---	G0	---	---	---	---	---	---	---	---	---	---	---	G0 IV	---	G0	---
γ (km/s)	---	---	-17.841927156104461±0.179851354724153	---	---	---	---	---	---	---	---	---	---	---	-18.1±0.4	---	---

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HD 149026 b Planetary Parameters (12 Solutions)

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Status: Confirmed Planet
Detected By: Orbital Brightness Modulation, Radial Velocity, Transit

Tools: TOI; Transit; Atmospheric Spectroscopy

Source	Stassun et al. 2017	Kokori et al. 2023	Ment et al. 2018	Zhang et al. 2018	Bonomo et al. 2017	Knutson et al. 2014	Albrecht et al. 2012	Southworth 2010	Carter et al. 2009	Torres et al. 2008	Sato et al. 2005	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eq (K)	---	---	---	---	---	---	---	1626+69-37	---	1634+90-23	---	1602
S (S_⨁)	---	---	---	---	---	---	---	---	---	---	---	1095.91
P (days)	2.875890±0.000002	2.87588850±0.00000014	2.8758911	2.87588874±0.00000059	2.8758916±0.0000014	---	---	2.8758911±0.0000025	2.8758911±0.0000025	2.87598	2.8766±0.001	2.8758831±0.0000108
R_p (R_⨁)	8.3±0.2	---	---	---	9.09+0.33-0.30	---	---	6.84+1.11-0.81	9.113 +0.303-0.280	7.33+0.67-0.50	8.127±0.560	8.332670±0.442252
R_p (R_Jup)	0.74±0.02	---	---	---	0.811+0.029-0.027	---	---	0.610+0.099-0.072	0.813 +0.027-0.025	0.654+0.060-0.045	0.725±0.05	0.7433923±0.0394551
δ (%)	0.2900±0.0087	---	---	---	---	---	---	---	---	---	---	0.31520000±0.00994912
T₁₄ (hours)	---	---	---	---	---	---	3.230±0.150	---	3.24 +0.14-0.15	---	---	3.140±0.074
T_C (days)	---	2457217.64141±0.00011	---	2454456.78760±0.00016	2454597.70713±0.00016	---	2454456.78835±0.00080	---	2454456.78761±0.00014	---	---	2460476.0234990±0.0010622
M_p (M_⨁)	121±19	---	---	---	102+4-4	103±3	---	113+4-3	116.957 +4.132-4.449	114+7-7	---	---
M_p (M_Jup)	0.38±0.06	---	---	---	0.322+0.014-0.012	0.324±0.011	---	0.356+0.013-0.011	0.368 +0.013-0.014	0.359+0.022-0.021	---	---
e	0.0	---	0.051±0.019	---	<0.013	0.00280+0.01900-0.00240	---	---	---	---	0	---
i (deg)	84.55±0.58	84.5+0.3-0.8	---	---	84.50+0.60-0.52	---	---	88.0±2.0	84.55 +0.35-0.81	90.0+0.0-3.0	85.3±1.0	---
ρ (g/cm³)	---	---	---	---	0.750+0.089-0.077	---	---	2.0881+0.9576-0.7581	0.85 +0.10-0.09	1.59+0.38-0.36	---	---
K (m/s)	43.3±1.2	---	39.22±0.68	---	37.9+1.8-1.3	37.9+1.4-1.3	31±6	43.3±1.2	43.3±1.2	43.2±2.3	43.3±1.2	---
a (au)	---	---	0.0432±0.0024	---	0.04364±0.00022	---	---	0.04288+0.00050-0.00033	---	0.04313+0.00065-0.00056	0.042	---
a/R_✶	6.80±0.52	6.01+0.17-0.23	---	---	---	---	---	7.143+0.320-0.564	6.01 +0.17-0.23	7.11+0.03-0.81	---	---
T_p (days)	---	---	2463208.80±0.17	---	---	---	---	---	---	---	2453317.838±0.003	---
M_p sin i (M_⨁)	---	---	104±14	---	---	---	---	---	---	---	114.41±9.53	---
M_p sin i (M_Jup)	---	---	0.326±0.043	---	---	---	---	---	---	---	0.36±0.03	---
ω (deg)	---	---	109±21	---	---	100+170-11	---	---	---	---	---	---
b	---	---	---	---	---	---	---	---	0.571 +0.044-0.038	0.0+0.3-0.0	---	---
R_p/R_✶	---	0.0542±0.0009	---	---	---	---	0.0507±0.0009	---	0.05416 +0.00091-0.00070	0.0491+0.0018-0.0005	---	---
λ (deg)	---	---	---	---	---	---	12±7	---	---	---	---	---

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Ancillary Information (21 Unique Files)

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+ HD 149026 (4 File Types, 21 Files)

Literature Stellar Spectra (4 Files)

File Type	Spectrum Type	Wavelength Category	Reference
Spectra	echelle grating	Optical	N2K Consortium
Spectra	echelle grating	Optical	N2K Consortium
Spectra	echelle grating	Optical	N2K Consortium
Spectra	echelle grating	Optical	N2K Consortium

Literature Time Series (3 File Types, 17 Files)

File Type	Data Points	Filter	Reference
Photometric Light Curve	771	(b+y)/2 (Stromgren)	Winn et al. 2008
Photometric Light Curve	697	(b+y)/2 (Stromgren)	Winn et al. 2008
Photometric Light Curve	264	(b+y)/2 (Stromgren)	Winn et al. 2008
Photometric Light Curve	257	(b+y)/2 (Stromgren)	Winn et al. 2008
Photometric Light Curve	230	(b+y)/2 (Stromgren)	Winn et al. 2008
Photometric Light Curve	237	V (Generic)	Charbonneau et al. 2006
Photometric Light Curve	679	g (Sloan)	Charbonneau et al. 2006
Photometric Light Curve	574	r (Sloan)	Charbonneau et al. 2006
Photometric Light Curve	386	(b+y)/2 (Stromgren)	Sato et al. 2005
Photometric Light Curve	325	(b+y)/2 (Stromgren)	Sato et al. 2005
Photometric Light Curve	262	(b+y)/2 (Stromgren)	Sato et al. 2005
Photometric Light Curve	119	Hp (Hipparcos)	Hipparcos and Tycho Catalogs
Radial Velocity Curve	16	Optical Spectra	Butler et al. 2006
Radial Velocity Curve	7	Optical Spectra	Sato et al. 2005
Radial Velocity Curve	4	Optical Spectra	Sato et al. 2005
Amateur Light Curve	355	Clear, no filter	Amateur-Contributed Light Curves
Amateur Light Curve	360	R (Generic)	Amateur-Contributed Light Curves