HD 11506

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
HD 11506
HD 11506 c	223.92 d	> 127.13 M_⨁	Radial Velocity	2008	Tuomi & Kotiranta 2009	Confirmed Planet
HD 11506 b	1617.7 d	> 1525.58 M_⨁	Radial Velocity	2007	Fischer et al. 2007	Confirmed Planet
HD 11506 d	26500 d	4068.2 M_⨁	Radial Velocity	2022	Feng et al. 2022	Confirmed Planet

Exoplanet Archive Notes (2)

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HD 11506

Stellar mass selected from evolutionary track mass (M_track) in Table 4 (Ghezzi et al. 2010)
Uncertainties for stellar mass, radius, and age in Table 1 have been re-scaled to 1-sigma. (Fischer et al. 2007)

HD 11506 Stellar Parameters (14 Solutions)

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RA: 01h52m50.56s

Dec: -19d30m26.63s

Distance: 51.2610+0.1351-0.1343
pc

Parallax: 19.4792000±0.0508765 mas

Ecliptic Latitude: -28.92178 deg

Ecliptic Longitude: 18.37552 deg

Galactic Latitude: -73.99475 deg

Galactic Longitude: 187.75857 deg

Total Proper Motion: 100.1591624±0.0792815 mas/yr

Proper Motion (RA): 21.906700±0.101306 mas/yr

Proper Motion (Dec): -97.7341000±0.0780111 mas/yr

Photometry: m_V
7.51±0.03; m_TESS
6.9834±0.0060; m_J
6.508±0.019; m_H
6.265±0.031; m_Ks
6.168±0.017; m_W1
6.147±0.099; m_W2
6.068±0.033; m_W3
6.182±0.015; m_W4
6.045±0.047; m_Gaia
7.373820±0.000301; m_B
8.107±0.023

Abundances (Hypatia Catalog): [Fe/H] 0.34±0.06 dex; [C/H] 0.31±0.08 dex; [O/H] 0.22±0.14 dex; [Na/H] 0.34±0.04 dex; [Mg/H] 0.31±0.05 dex; [Al/H] 0.26±0.04 dex; [Si/H] 0.31±0.05 dex; [Ca/H] 0.33±0.02 dex; [Y/H] 0.31±0.08 dex

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

Source	An et al. 2025	Ruggieri et al. 2024	Feng et al. 2022	TICv8	Ment et al. 2018	Gaia DR2	Stassun et al. 2017	Giguere et al. 2015	Santos et al. 2013	Ghezzi et al. 2010	Fischer et al. 2007	Nordstrom et al. 2004	Michigan Catalog, Vol. 4	Cannon & Pickering 1918
T_eff (K)	---	6123±47	---	6030.000+149.973-114.510	6030	6116.0000+60.0000-99.8335	6183±17	6055±44	6204±27	6066±25	6058±51	---	---	---
Metallicity (dex)	---	0.30±0.06 [Fe/H]	---	0.31±0.10 [M/H]	0.34 [Fe/H]	---	0.34 [Fe/H]	0.29±0.03 [Fe/H]	0.36±0.02 [Fe/H]	0.29±0.02 [Fe/H]	0.31±0.03 [Fe/H]	---	---	---
M_✶ (M_⦿)	1.268+0.065-0.062	1.22±0.02	1.120±0.154	1.120000+0.159955-0.148910	1.24±0.18	---	1.51±0.06	1.24±0.02	1.24±0.08	1.25±0.10	1.19±0.05	---	---	---
log g (log₁₀(cm/s²))	---	4.39±0.12	---	4.226400+0.069379-0.105431	---	---	4.43±0.01	4.30±0.06	4.44±0.06	4.22±0.08	4.32±0.08	---	---	---
L_✶ (log₁₀(L_⦿))	---	---	---	0.33684622+0.01447270-0.01204932	0.33±0.03	0.33678415+0.00155369-0.00155929	---	0.328 +0.031-0.034	---	0.286±0.065	0.360	---	---	---
Age (Gyr)	---	2.5±0.9	---	---	2.30±0.58	---	---	2.4±0.6	---	2.0±1.0	5.4±0.8	---	---	---
R_✶ (R_⦿)	---	---	---	1.3503300+0.0734854-0.0595045	1.34±0.05	1.3125316+0.0439222-0.0253787	1.24±0.02	1.33±0.05	---	1.26±0.10	1.38+0.08-0.07	---	---	---
γ (km/s)	---	-7.53±0.13	---	---	---	-7.3694816018290723±0.1657285652075109	---	---	---	---	---	-8.1±1.1	---	---
Sp. T	---	G0 V	---	---	G0 V	---	---	G0 V	---	---	G0 V	---	G0 V	G0
v sin i (km/s)	---	5.5±0.5	---	---	---	---	---	---	---	---	5.0±0.5	5	---	---
P_rot (days)	---	15	---	---	---	---	---	---	---	---	12.6	---	---	---
ρ_✶ (g/cm³)	---	---	---	0.6412990+0.1898966-0.1159381	---	---	---	---	---	---	---	---	---	---
CAII LOG RHK	---	-5.06±0.19	---	---	---	---	---	---	---	---	---	---	---	---

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HD 11506 c Planetary Parameters (5 Solutions)

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Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems

Source	Ruggieri et al. 2024	Feng et al. 2022	Ment et al. 2018	Giguere et al. 2015	Tuomi & Kotiranta 2009
ω (deg)	-120±16	217.662+26.427-25.777	259±16	272±15	234.91 +57.30-103.13
M_p sin i (M_⨁)	127±6	117+13-15	130±18	114.41±6.36	260.61 +98.52-158.91
M_p sin i (M_Jup)	0.40±0.02	0.369+0.040-0.047	0.408±0.057	0.36±0.02	0.82 +0.31-0.50
e	0.228±0.054	0.233+0.072-0.077	0.193±0.038	0.24±0.05	0.42 +0.20-0.42
P (days)	223.92±0.37	223.95986+0.67408-0.64624	223.41±0.32	223.6±0.6	170.455 +3.285-6.205
K (m/s)	12.0±0.6	11.757+0.725-0.941	12.10±0.41	12.5±0.7	25.5 +9.8-14.3
a (au)	0.771±0.004	0.750+0.033-0.036	0.774±0.038	0.721±0.001	0.639 +0.007-0.017
T_C (days)	2453212.0±11.0 (BJD)	---	---	---	---
T_p (days)	---	2452977.836+19.738-21.363 (BJD)	2463230±11 (JD)	2454127±9	---

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HD 11506 b Planetary Parameters (8 Solutions)

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Status: Confirmed Planet

Detected By: Astrometry, Radial Velocity

Tools: Planetary Systems

Source	Ruggieri et al. 2024	An et al. 2025	Feng et al. 2022	Ment et al. 2018	Stassun et al. 2017	Giguere et al. 2015	Tuomi & Kotiranta 2009	Fischer et al. 2007
M_p sin i (M_⨁)	1526±25	1602+70-67	---	1535±165	1761±92	1338.01±22.25	1093.29 +286.03-149.37	1506.45
M_p sin i (M_Jup)	4.80±0.08	5.04+0.22-0.21	---	4.83±0.52	5.54±0.29	4.21±0.07	3.44 +0.90-0.47	4.74
e	0.379±0.009	0.390+0.016-0.017	0.391±0.010	0.3743±0.0053	0.30±0.10	0.37±0.01	0.22 +0.25-0.12	0.3±0.1
i (deg)	---	87.0+42.0-43.0	112.598+23.304-52.700	---	---	---	---	---
P (days)	1617.7±1.9	1612±6	1613.74017+4.33630-4.52954	1622.1±2.1	1405.00000±45.00000	1627.5±5.9	1270.20 +193.5-94.9	1405±45
a (au)	2.885±0.016	2.918±0.049	2.800+0.123-0.136	2.90±0.14	2.60±0.09	2.708±0.007	2.43 +0.24-0.12	2.48
K (m/s)	78.5±0.9	---	78.402+1.408-1.146	78.17±0.57	80.0±3.0	78.4±1.2	57.4 +13.8-7.7	80±3
ω (deg)	-140.7±1.5	---	217.469+2.387-2.314	220.16±0.97	---	218.9±1.6	257.8 +34.4-40.1	262±19
T_C (days)	2453398.0±7.0 (BJD)	---	---	---	---	---	---	---
T_p (days)	---	---	2451787.838+16.442-12.388 (BJD)	2463391.8±4.7 (JD)	---	2456637.2±7.6	---	2453603±102
M_p (M_⨁)	---	---	1551+631-106	---	---	---	---	---
M_p (M_Jup)	---	---	4.880+1.986-0.333	---	---	---	---	---

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HD 11506 d Planetary Parameters (3 Solutions)

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Status: Confirmed Planet

Detected By: Astrometry, Radial Velocity

Tools: Planetary Systems

Source	Ruggieri et al. 2024	An et al. 2025	Feng et al. 2022
T_p (days)	---	---	2449521.783+1518.876-9116.549 (BJD)
ω (deg)	111+6-4	---	277.904+60.878-120.931
M_p (M_⨁)	4068+191-159	2892+10997-1271	2347+640-345
M_p (M_Jup)	12.8+0.6-0.5	9.10+34.60-4.00	7.383+2.015-1.085
e	0.29+0.02-0.03	0.24+0.22-0.16	0.0610+0.0280-0.0220
i (deg)	90+6-5	94.0+31.0-36.0	82.0040+25.0980-21.4210
P (days)	26500±300	16000+40178-8401	14723.57452+2801.31728-2758.84505
K (m/s)	---	---	56.066+4.597-5.826
a (au)	18.20+0.06-0.09	13.3+18.0-5.4	12.235+1.571-1.762
T_C (days)	2452015.5+1.0-0.6 (BJD)	---	---

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Ancillary Information (2 Unique Files)

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+ HD 11506 (2 File Types, 2 Files)

Literature Time Series (2 File Types, 2 Files)

File Type	Data Points	Filter	Reference
Photometric Light Curve	148	Hp (Hipparcos)	Hipparcos and Tycho Catalogs
Radial Velocity Curve	26	Optical Spectra	Fischer et al. 2007

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

Data Files: 3 Associated Literature Data

Bibliography (20 References)

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Orbits and Masses for 156 Companions from Combined Astrometry and Radial Velocities, and a Validation of Gaia Non-single-star Solutions
An et al. 2025 Reference Overview
The GAPS Programme at TNG: LVIII. Two multi-planet systems with long-period substellar companions around metal-rich stars
Ruggieri et al. 2024 Reference Overview
3D Selection of 167 Substellar Companions to Nearby Stars
Feng et al. 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
Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
Stassun et al. 2017 Reference Overview
Newly Discovered Planets Orbiting HD 5319, HD 11506, HD 75784 and HD 10442 from the N2K Consortium
Giguere et al. 2015 Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
SWEET-Cat: A catalogue of parameters for Stars With ExoplanETs. I. New atmospheric parameters and masses for 48 stars with planets
Santos et al. 2013 Reference Overview
Stellar Parameters and Metallicities of Stars Hosting Jovian and Neptunian Mass Planets: A Possible Dependence of Planetary Mass on Metallicity
Ghezzi et al. 2010 Reference Overview
Bayesian analysis of the radial velocities of HD 11506 revealsanother planetary companion
Tuomi & Kotiranta 2009 Reference Overview
Five Intermediate-Period Planets from the N2K Sample
Fischer et al. 2007 Reference Overview
Validation of the new Hipparcos reduction
van Leeuwen et al. 2007 Reference Overview
The Geneva-Copenhagen survey of the Solar neighbourhood. Ages,metallicities and kinematix properties of ~14 000 F and G dwarfs
Nordstrom et al. 2004 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog 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
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 4
Michigan Catalog, Vol. 4 Reference Overview
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 Reference Overview

Legend

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System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

External Link
Search
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Download

Debug Info

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https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/4/HD_11506.json

Catalog Parameters

RA

ra

01h52m50.56s

Dec

dec

-19d30m26.63s

β

elat

-28.92178

λ

elon

18.37552

b

glat

-73.99475

l

glon

187.75857

m_V

sy_vmag

7.51±0.03

m_TESS

sy_tmag

6.9834±0.0060

m_J

sy_jmag

6.508±0.019

m_H

sy_hmag

6.265±0.031

m_Ks

sy_kmag

6.168±0.017

sy_kepmag

no_data

m_W1

sy_w1mag

6.147±0.099

m_W2

sy_w2mag

6.068±0.033

m_W3

sy_w3mag

6.182±0.015

m_W4

sy_w4mag

6.045±0.047

sy_icmag

no_data

m_Gaia

sy_gaiamag

7.373820±0.000301

m_B

sy_bmag

8.107±0.023

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

μ

sy_pm

100.1591624±0.0792815

μ_δ

sy_pmdec

-97.7341000±0.0780111

μ_α

sy_pmra

21.906700±0.101306

π

sy_plx

19.4792000±0.0508765

Distance

sy_dist

51.2610+0.1351-0.1343

Set Parameters

R_✶

st_rad

1.26±0.10

T_eff

st_teff

6204±27

HD 11506 Overview

HD 11506 Architecture & Discovery Information

HD 11506