HD 22946 Overview

HD 22946 1.12 R_⦿ 6101.00 K

TOI-411 b

0.122 R_Jup

TOI-411 c

0.208 R_Jup

HD 22946 d

0.233 R_Jup

Overview Notes System Parameters Nearby Data Legend

Architecture: HD 22946; HD 22946

Other Data: Bibliography 4; Exoplanet Archive Notes 6; Nearby Data 4

Discovery Data

Host	Planet	Method	Year	Reference	Disposition
HD 22946	TOI-411 b	Transit	2022	Cacciapuoti et al. 2022	Confirmed Planet
HD 22946	TOI-411 c	Transit	2022	Cacciapuoti et al. 2022	Confirmed Planet
HD 22946	HD 22946 d	Transit	2023	Garai et al. 2023	Confirmed Planet

Exoplanet Archive Notes (6)

TOI-411 b

Planet mass and density limits are 3-sigma upper limits. (Garai et al. 2023)
Equilibrium temperature was calculated assuming a Bond albedo of 0.2. (Garai et al. 2023)

TOI-411 c

Planet mass and density limits are 3-sigma upper limits. (Garai et al. 2023)
Equilibrium temperature was calculated assuming a Bond albedo of 0.2. (Garai et al. 2023)

HD 22946 d

Planet mass and density limits are 3-sigma upper limits. (Garai et al. 2023)
Equilibrium temperature was calculated assuming a Bond albedo of 0.2. (Garai et al. 2023)

HD 22946 Stellar Parameters (5 Solutions)

RA: 03h39m16.69s

Dec: -42d45m46.90s

Distance: 62.7792+0.1161-0.1156
pc

Parallax: 15.8999000±0.0291804 mas

Ecliptic Latitude: -59.50046 deg

Ecliptic Longitude: 33.54309 deg

Galactic Latitude: -52.70009 deg

Galactic Longitude: 248.83207 deg

Total Proper Motion: 122.0961548±0.0593544 mas/yr

Proper Motion (RA): -51.6637000±0.0443452 mas/yr

Proper Motion (Dec): -110.6270000±0.0621482 mas/yr

Photometry: m_V
8.270001±0.030000; m_TESS
7.757±0.006; m_J
7.250±0.027; m_H
7.040±0.044; m_Ks
6.981±0.029; m_W1
6.913±0.060; m_W2
6.931±0.020; m_W3
6.952±0.016; m_W4
6.827±0.060; m_Gaia
8.128100±0.000298; m_B
8.792±0.027

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

Source	Garai et al. 2023	Cacciapuoti et al. 2022	TICv8	ExoFOP-TESS TOI	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eff (K)	6169±64	6040±48	6161.0000+146.1630-95.3312	6101±193	6101±193
R_✶ (R_⦿)	1.117±0.009	1.157±0.025	1.1167200+0.0480472-0.0481337	1.11671996116638±0.04809050000000	1.11671996116638±0.04809050000000
log g (log₁₀(cm/s²))	4.47±0.11	4.26±0.15	4.4103600+0.0941544-0.0669383	4.387740±0.262054	4.387740±0.262054
L_✶ (log₁₀(L_⦿))	---	---	0.20919159+0.01301100-0.01439195	---	---
ρ_✶ (g/cm³)	---	1.10+0.19-0.16	1.184442+0.271413-0.245077	---	---
M_✶ (M_⦿)	1.098+0.040-0.039	1.104±0.012	1.170000+0.177471-0.147050	---	---
Metallicity (dex)	-0.080±0.040 [Fe/H]	-0.14±0.07 [Fe/H]	---	---	---
Age (Gyr)	2.5±1.0	5±1	---	---	---
Sp. T	---	F7/F8V	---	---	---

TOI-411 b Planetary Parameters (3 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service; TOI; Transit

Source	Garai et al. 2023	Cacciapuoti et al. 2022	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eq (K)	1241±14	1378±36	1255.70505438771
S (S_⨁)	495.139+23.838-23.223	---	587.586177953902
P (days)	4.040295+0.000015-0.000014	4.040301+0.000023-0.000042	4.04041303554557±0.00002256487100
R_p (R_⨁)	1.362±0.040	1.72±0.10	1.54737473957286±0.14544313000000
R_p (R_Jup)	0.1215±0.0036	0.153±0.009	0.138047765536153±0.012975589296893
δ (%)	---	0.0201+0.0017-0.0016	0.0143394395972975±0.0012183512000000
T₁₄ (hours)	3.074+0.062-0.089	2.96+0.38-0.53	3.5274466075187±0.2239145600000
T_C (days)	2458385.7321+0.0022-0.0031	2458385.729875+0.004361-0.001199	2458385.72367000±0.00204512
a/R_✶	11.03±0.12	9.840+0.530-0.510	---
b	0.21+0.11-0.13	0.29+0.23-0.12	---
ω (deg)	---	-40+130-140	---
e	---	0.126+0.190-0.009	---
i (deg)	---	88.3+1.1-1.2	---
R_p/R_✶	0.01119+0.00031-0.00032	0.01358+0.00060-0.00059	---
a (au)	0.05727+0.00085-0.00082	0.0528±0.0030	---
M_p (M_⨁)	<13.71	---	---
M_p (M_Jup)	<0.04314	---	---
ρ (g/cm³)	<18.96	---	---
K (m/s)	<5.05	---	---

TOI-411 c Planetary Parameters (3 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service; TOI; Transit

Source	Garai et al. 2023	Cacciapuoti et al. 2022	ExoFOP-TESS TOI	Show Candidate Solutions >>	<< Hide Candidate Solutions
T_eq (K)	931±11	1033±27	941.916654084731
S (S_⨁)	156.7500+7.5460-7.3519	---	186.024825037477
P (days)	9.573083±0.000014	9.573096+0.000026-0.000023	9.57307063556275±0.00002752286300
R_p (R_⨁)	2.328+0.038-0.039	2.74±0.14	2.30530583129007±0.24545431000000
R_p (R_Jup)	0.2077+0.0034-0.0035	0.244±0.012	0.205665964907056±0.021898004517039
δ (%)	---	0.0502+0.0032-0.0030	0.0370809114135794±0.0019648224000000
T₁₄ (hours)	3.684+0.036-0.034	3.95+0.82-0.80	3.79496772778676±0.16408458000000
T_C (days)	2459161.60861+0.00069-0.00072	2458386.188119+0.001278-0.001313	2458386.18917400±0.00120845
a/R_✶	19.61+0.22-0.23	17.49+0.95-0.91	---
b	0.504+0.024-0.026	0.42+0.20-0.27	---
ω (deg)	---	10+130-140	---
e	---	0.16+0.17-0.10	---
i (deg)	---	88.57+0.86-0.53	---
R_p/R_✶	0.01912+0.00026-0.00027	0.02161+0.00077-0.00075	---
a (au)	0.1017+0.0015-0.0014	0.0939±0.0054	---
M_p (M_⨁)	<9.72	---	---
M_p (M_Jup)	<0.0306	---	---
ρ (g/cm³)	<3.15	---	---
K (m/s)	<2.70	---	---

HD 22946 d Planetary Parameters (1 Solutions)

Status: Confirmed Planet
Detected By: Transit

Tools: Transit Prediction Service; Transit

Source	Garai et al. 2023
a/R_✶	57.00±0.66
T_eq (K)	546±6
b	0.456+0.026-0.028
S (S_⨁)	18.5610+0.8935-0.8699
M_p (M_⨁)	<26.57
M_p (M_Jup)	<0.08360
P (days)	47.42489+0.00010-0.00011
ρ (g/cm³)	<10.80
R_p (R_⨁)	2.607±0.060
R_p (R_Jup)	0.2326±0.0054
R_p/R_✶	0.02141+0.00046-0.00045
K (m/s)	<4.31
a (au)	0.2958+0.0044-0.0042
T₁₄ (hours)	6.482+0.046-0.048
T_C (days)	2459136.53720+0.00087-0.00083

Nearby Data (4 Data Types within 30 arcseconds)

Known Objects: 3 Confirmed Planets; 1 2MASS Point Source Catalog

Data Files: 2 SuperWASP Time Series; 3 Associated Literature Data

Bibliography (4 References)

System

Star

Confirmed

Candidate

False Positive Planet

Controversial

False Positive

Aliases

Data Access

Transit Prediction Service

Time Series

Kepler | K2

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