HD 81040

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
HD 81040
HD 81040 b	1002.7 d	2301.08 M_⨁	Radial Velocity	2005	Sozzetti et al. 2006	Confirmed Planet

Exoplanet Archive Notes (2)

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HD 81040

Stellar mass selected from evolutionary track mass (M_track) in Table 4 (Ghezzi et al. 2010)

HD 81040 b

The authors note that the data is equally well fit by a retrograde orbital inclination of 107 +16 -12. (Li et al. 2021)

HD 81040 Stellar Parameters (10 Solutions)

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RA: 09h23m46.92s

Dec: +20d21m52.59s

Distance: 34.4341+0.0777-0.0773
pc

Parallax: 29.0122000±0.0649104 mas

Ecliptic Latitude: 4.83687 deg

Ecliptic Longitude: 136.93389 deg

Galactic Latitude: 42.32614 deg

Galactic Longitude: 209.36326 deg

Total Proper Motion: 155.5120051±0.0915234 mas/yr

Proper Motion (RA): -151.2580000±0.0928173 mas/yr

Proper Motion (Dec): 36.1248000±0.0647681 mas/yr

Photometry: m_V
7.72±0.03; m_TESS
7.1254±0.0060; m_J
6.505±0.019; m_H
6.268±0.031; m_Ks
6.159±0.021; m_Kep
8.272; m_W1
6.171±0.084; m_W2
6.087±0.033; m_W3
6.193±0.016; m_W4
6.107±0.052; m_Gaia
7.555430±0.000329; m_B
8.379±0.025

Abundances (Hypatia Catalog): [Fe/H] 0.00±0.12 dex; [O/H] -0.02±0.09 dex; [Na/H] -0.19±0.06 dex; [Mg/H] -0.01±0.02 dex; [Al/H] -0.13±0.06 dex; [Si/H] -0.09±0.06 dex; [Ca/H] 0.02±0.02 dex; [Y/H] 0.13±0.08 dex; [BaII/H] 0.07±0.19 dex

Mission: K2 : Observed in Campaign 16

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; K2 Targets; Stellar Hosts; K2 Time Series

Source	Winn 2022	Feng et al. 2022	Li et al. 2021	TICv8	Gaia DR2	Stassun et al. 2017	Ghezzi et al. 2010	Sozzetti et al. 2006	Nordstrom et al. 2004	Cannon & Pickering 1918
T_eff (K)	---	---	---	5768.9200+85.4688-123.0450	5798.6665+93.3335-28.6665	5755±20	5620±38	5700±50	---	---
Metallicity (dex)	---	---	-0.04±0.05 [Fe/H]	-0.0322430±0.0186979 [M/H]	---	-0.03 [Fe/H]	-0.21±0.03 [Fe/H]	-0.16±0.06 [Fe/H]	---	---
γ (km/s)	---	---	---	---	49.402018719053899±0.163835661736761	---	---	49.2535±0.0063	48.9±0.2	---
v sin i (km/s)	---	---	---	---	---	---	---	2±1	2	---
Age (Gyr)	---	---	1.79+0.30-0.26	---	---	---	8.0+5.0-4.0	0.73±0.1	---	---
M_✶ (M_⦿)	0.9620±0.0400	1.030±0.121	0.990±0.020	1.0300000+0.1542080-0.0875406	---	1.05±0.19	0.90±0.10	0.96±0.04	---	---
R_✶ (R_⦿)	---	---	---	0.9169940+0.0363638-0.0395709	0.90777390+0.00904245-0.02853180	0.91±0.01	0.930±0.080	0.86±0.04	---	---
log g (log₁₀(cm/s²))	---	---	---	4.5261700+0.0707350-0.0665286	---	4.54±0.08	4.13±0.11	4.5±0.1	---	---
Sp. T	---	---	G2/G3	---	---	---	---	G2/G3	---	G0
L_✶ (log₁₀(L_⦿))	---	---	-0.0768+0.0092-0.0094	-0.07619451+0.00873438-0.01341078	-0.076037347+0.001261663-0.001265370	---	-0.109±0.067	---	---	---
ρ_✶ (g/cm³)	---	---	---	1.8832319+0.3878376-0.3409496	---	---	---	---	---	---
CAII LOG RHK	---	---	-4.71	---	---	---	---	---	---	---
P_rot (days)	---	---	15.98	---	---	---	---	---	---	---

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HD 81040 b Planetary Parameters (6 Solutions)

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Status: Confirmed Planet

Detected By: Astrometry, Radial Velocity

Tools: Planetary Systems

Source	Li et al. 2021	Gaia Collaboration et al. 2023	Winn 2022	Feng et al. 2022	Stassun et al. 2017	Sozzetti et al. 2006
T_p (days)	2455511.1+10.0-8.7 (JD)	---	2457515±17 (JD)	2450485.603+21.141-23.271 (BJD)	---	2452504.0±12.0 (BJD)
ω (deg)	81.0±3.3	---	73.05±4.30	81.591+9.147-7.449	---	81.3±7.2
M_p (M_⨁)	2301+318-118	2511±286	2393±10	2151+350-274	---	---
M_p (M_Jup)	7.24+1.00-0.37	7.9±0.9	7.530±0.032	6.768+1.101-0.861	---	---
M_p sin i (M_⨁)	2183±60	2161±222	---	---	2311±311	2180±226
M_p sin i (M_Jup)	6.87±0.19	6.8±0.7	---	---	7.27±0.98	6.86±0.71
e	0.525+0.024-0.026	0.37±0.15	0.527+0.034-0.037	0.557+0.046-0.067	0.53±0.04	0.526±0.042
i (deg)	73+12-16	108±6	---	88.773+9.919-10.357	---	---
P (days)	1002.7+4.0-3.4	851±113	1004.7±3.0	1005.98854+7.62637-6.37242	1001.70001±7.00000	1001.7±7.0
a (au)	1.946±0.014	---	---	1.988+0.076-0.081	1.94±0.03	1.94
K (m/s)	---	---	---	161.244+10.859-17.170	168.0±9.0	168±9

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Ancillary Information (3 Unique Files)

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+ HD 81040 (2 File Types, 3 Files)

Literature Time Series (2 File Types, 3 Files)

File Type	Data Points	Filter	Reference
Photometric Light Curve	82	Hp (Hipparcos)	Hipparcos and Tycho Catalogs
Radial Velocity Curve	23	Optical Spectra	Sozzetti et al. 2006
Radial Velocity Curve	3	Optical Spectra	Sozzetti et al. 2006

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets; 1 K2 Targets; 2 2MASS Point Source Catalog

Data Files: 4 KELT Time Series; 1 SuperWASP Time Series; 1 K2 Time Series; 1 Associated Literature Data

Bibliography (16 References)

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Gaia Data Release 3. Stellar multiplicity, a teaser for the hidden treasure
Gaia Collaboration et al. 2023 Reference Overview
Joint Constraints on Exoplanetary Orbits from Gaia DR3 and Doppler Data
Winn 2022 Reference Overview
3D Selection of 167 Substellar Companions to Nearby Stars
Feng et al. 2022 Reference Overview
Precise Masses and Orbits for Nine Radial-velocity Exoplanets
Li et al. 2021 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 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
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog Reference Overview
All WISE Data Release
Cutri et al. 2014 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
A massive planet to the young disc star HD 81040
Sozzetti et al. 2006 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
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
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Download

Debug Info

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https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/4/HD_81040.json

Catalog Parameters

RA

ra

09h23m46.92s

Dec

dec

+20d21m52.59s

β

elat

4.83687

λ

elon

136.93389

b

glat

42.32614

l

glon

209.36326

m_V

sy_vmag

7.72±0.03

m_TESS

sy_tmag

7.1254±0.0060

m_J

sy_jmag

6.505±0.019

m_H

sy_hmag

6.268±0.031

m_Ks

sy_kmag

6.159±0.021

m_Kep

sy_kepmag

8.272

m_W1

sy_w1mag

6.171±0.084

m_W2

sy_w2mag

6.087±0.033

m_W3

sy_w3mag

6.193±0.016

m_W4

sy_w4mag

6.107±0.052

sy_icmag

no_data

m_Gaia

sy_gaiamag

7.555430±0.000329

m_B

sy_bmag

8.379±0.025

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

μ

sy_pm

155.5120051±0.0915234

μ_δ

sy_pmdec

36.1248000±0.0647681

μ_α

sy_pmra

-151.2580000±0.0928173

π

sy_plx

29.0122000±0.0649104

Distance

sy_dist

34.4341+0.0777-0.0773

Set Parameters

R_✶

st_rad

0.86±0.04

T_eff

st_teff

5700±50

HD 81040 Overview

HD 81040 Architecture & Discovery Information

HD 81040