HD 1461

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
HD 1461
HD 1461 b	5.77 d	> 6.44 M_⨁	Radial Velocity	2010	Rivera et al. 2010	Confirmed Planet
HD 1461 c	13.51 d	> 5.59 M_⨁	Radial Velocity	2015	Díaz et al. 2016	Confirmed Planet

Exoplanet Archive Notes (1)

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HD 1461 b

Time of Periastron/Transit Midpoint definition ambiguity in ref.; value omitted. (Kammer et al. 2014)

HD 1461 Stellar Parameters (17 Solutions)

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RA: 00h18m42.30s

Dec: -08d03m13.03s

Distance: 23.4534±0.0309 pc

Parallax: 42.6090000±0.0557121 mas

Ecliptic Latitude: -9.24453 deg

Ecliptic Longitude: 1.06037 deg

Galactic Latitude: -69.41004 deg

Galactic Longitude: 99.3068 deg

Total Proper Motion: 441.9148713±0.0939019 mas/yr

Proper Motion (RA): 417.8750000±0.0975526 mas/yr

Proper Motion (Dec): -143.7680000±0.0539701 mas/yr

Photometry: m_V
6.47933±0.02300; m_TESS
5.8575±0.0060; m_J
5.329±0.018; m_H
5.041±0.047; m_Ks
4.897±0.023; m_W1
4.831±0.236; m_W2
4.515±0.119; m_W3
4.934±0.015; m_W4
4.831±0.031; m_Ic
5.750; m_Gaia
6.2945400±0.0003801; m_B
7.146±0.022

Abundances (Hypatia Catalog): [Fe/H] 0.22±0.09 dex; [C/H] 0.22±0.12 dex; [O/H] 0.06±0.16 dex; [Na/H] 0.25±0.14 dex; [Mg/H] 0.25±0.09 dex; [Al/H] 0.24±0.16 dex; [Si/H] 0.19±0.08 dex; [Ca/H] 0.21±0.06 dex; [Y/H] 0.20±0.06 dex; [BaII/H] 0.13±0.12 dex

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

Source	Rosenthal et al. 2021	TICv8	Gaia DR2	Díaz et al. 2016	Turnbull 2015	Maldonado et al. 2015	von Braun et al. 2014	Rivera et al. 2010	Sousa et al. 2008	Takeda et al. 2007	Valenti & Fischer 2005	Wright et al. 2004	Nordstrom et al. 2004	Gray et al. 2003	Nidever et al. 2002	Michigan Catalog, Vol. 5	Cannon & Pickering 1918
S Index	---	---	---	---	---	---	---	---	---	---	---	0.156±0.020	---	---	---	---	---
CAII LOG RHK	---	---	---	---	---	---	---	---	---	---	---	-5.03	---	---	---	---	---
T_eff (K)	5695.230600930000±94.314902559600	5739.0000+94.1611-121.7830	5764.50+125.50-37.25	5765±18	5765	5755±28	5386±60	5765±18	5765±18	---	---	---	---	---	---	---	---
L_✶ (log₁₀(L_⦿))	---	0.095395684+0.012312285-0.008744689	0.097121619+0.000766712-0.000768068	---	0.107±0.017	---	0.075 +0.017-0.018	0.075±0.006	0.07482+0.00617-0.00626	---	---	---	---	---	---	---	---
v sin i (km/s)	---	---	---	---	---	---	---	1.6	---	---	1.6±0.5	---	2	---	---	---	---
M_✶ (M_⦿)	1.03064038128500±0.04734693076643	1.030000+0.151820-0.109587	---	1.02	1.03	---	0.94	1.018±0.1	1.018	1.026+0.040-0.030	---	---	---	---	---	---	---
R_✶ (R_⦿)	1.1522878066200000±0.0271097669829750	1.1289600+0.0475156-0.0491377	1.1212182+0.0146322-0.0472711	---	1.11	---	1.2441±0.0305	1.11±0.04	---	1.11±0.04	---	---	---	---	---	---	---
Metallicity (dex)	0.1822847818225000±0.0615192134691250 [Fe/H]	0.16±0.10 [M/H]	---	0.19±0.01 [Fe/H]	0.18 [Fe/H]	0.16±0.03 [Fe/H]	0.16 [Fe/H]	---	0.19±0.01 [Fe/H]	---	---	---	---	---	---	---	---
Age (Gyr)	---	---	---	---	7.12	---	13.8	---	---	7.12+1.40-1.56	---	---	---	---	---	---	---
log g (log₁₀(cm/s²))	4.326692663095002±0.031304744915925	4.3455500+0.0682300-0.0803425	---	4.38±0.03	4.37	4.47±0.07	---	---	4.38±0.03	4.37±0.03	---	---	---	---	---	---	---
Sp. T	---	---	---	G0 V	G5V	---	G3 V	---	---	---	---	---	---	G3 V	---	G5 V	G0
γ (km/s)	---	---	-10.158801672884369±0.177462146653714	-10.05960±0.00017	---	---	---	---	---	---	-9.9	---	-10.5±0.1	---	-10.2	---	---
ρ_✶ (g/cm³)	---	1.0091805+0.2282227-0.1782063	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---

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HD 1461 b Planetary Parameters (4 Solutions)

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Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems

Source	Díaz et al. 2016	Rosenthal et al. 2021	Kammer et al. 2014	Rivera et al. 2010
T_p (days)	---	---	---	2450366.936
ω (deg)	---	-10+74-56	---	58±69
M_p sin i (M_⨁)	6.44±0.61	6.61+0.60-0.57	8.1±0.7	7.6±1.2
M_p sin i (M_Jup)	0.0203±0.0019	0.0208+0.0019-0.0018	0.025±0.002	0.024±0.0038
e	<0.172	0.0620+0.0600-0.0420	0.16±0.05	0.14±0.19
P (days)	5.77152±0.00045	5.77142+0.00025-0.00031	5.77267±0.00029	5.7727±0.0025
a (au)	0.0634±0.0022	0.06360+0.00095-0.00099	---	0.063438±0.000018
K (m/s)	2.28±0.15	2.32+0.20-0.18	---	---
T_C (days)	---	2455839.37+0.11-0.14 (BJD)	---	---

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HD 1461 c Planetary Parameters (2 Solutions)

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Status: Confirmed Planet

Detected By: Radial Velocity

Tools: Planetary Systems

Source	Díaz et al. 2016	Rosenthal et al. 2021
ω (deg)	---	22+41-74
M_p sin i (M_⨁)	5.59±0.73	7.06±0.89
M_p sin i (M_Jup)	0.0176±0.0023	0.0222±0.0028
e	<0.305	0.110+0.100-0.077
P (days)	13.5052±0.0029	13.5040±0.0022
K (m/s)	1.49±0.17	1.88±0.23
a (au)	0.1117±0.0039	0.1121±0.0017
T_C (days)	---	2455200.11+0.52-0.48 (BJD)

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Ancillary Information (3 Unique Files)

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+ HD 1461 (2 File Types, 3 Files)

Literature Time Series (2 File Types, 3 Files)

File Type	Data Points	Filter	Reference
Photometric Light Curve	92	Hp (Hipparcos)	Hipparcos and Tycho Catalogs
Radial Velocity Curve	136	Optical Spectra	Rivera et al. 2010
Radial Velocity Curve	28	Optical Spectra	Rivera et al. 2010

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

Data Files: 2 Associated Literature Data

Bibliography (25 References)

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The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades
Rosenthal 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
The HARPS search for southern extra-solar planets. XXXVIII. Bayesian re-analysis of three systems. New super-Earths, unconfirmed signals, and magnetic cycles
Díaz et al. 2016 Reference Overview
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 Reference Overview
Searching for signatures of planet formation in stars with circumstellar debris discs
Maldonado et al. 2015 Reference Overview
Stellar diameters and temperatures - V. 11 newly characterized exoplanet host stars
von Braun et al. 2014 Reference Overview
A Spitzer Search for Transits of Radial Velocity Detected Super-Earths
Kammer et al. 2014 Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
A Super-Earth Orbiting the Nearby Sun-like Star HD 1461
Rivera et al. 2010 Reference Overview
Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes
Sousa et al. 2008 Reference Overview
Structure and Evolution of Nearby Stars with Planets. II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog
Takeda et al. 2007 Reference Overview
Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs
Valenti & Fischer 2005 Reference Overview
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright et al. 2004 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
Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Northern Sample I
Gray et al. 2003 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
Radial Velocities of 889 late-type stars
Nidever et al. 2002 Reference Overview
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 Reference Overview
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog Reference Overview
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 5
Michigan Catalog, Vol. 5 Reference Overview
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs Reference Overview
VRI photometry of nearby stars.
Cousins 1980a Reference Overview
UBVRIJKL Photometry of Bright Stars
Johnson et al. 1966 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
Browse
Download

Debug Info

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https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/4/HD_1461.json

Catalog Parameters

RA

ra

00h18m42.30s

Dec

dec

-08d03m13.03s

β

elat

-9.24453

λ

elon

1.06037

b

glat

-69.41004

l

glon

99.3068

m_V

sy_vmag

6.47933±0.02300

m_TESS

sy_tmag

5.8575±0.0060

m_J

sy_jmag

5.329±0.018

m_H

sy_hmag

5.041±0.047

m_Ks

sy_kmag

4.897±0.023

sy_kepmag

no_data

m_W1

sy_w1mag

4.831±0.236

m_W2

sy_w2mag

4.515±0.119

m_W3

sy_w3mag

4.934±0.015

m_W4

sy_w4mag

4.831±0.031

m_Ic

sy_icmag

5.750

m_Gaia

sy_gaiamag

6.2945400±0.0003801

m_B

sy_bmag

7.146±0.022

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

μ

sy_pm

441.9148713±0.0939019

μ_δ

sy_pmdec

-143.7680000±0.0539701

μ_α

sy_pmra

417.8750000±0.0975526

π

sy_plx

42.6090000±0.0557121

Distance

sy_dist

23.4534±0.0309

Set Parameters

R_✶

st_rad

1.11±0.04

T_eff

st_teff

5765±18

HD 1461 Overview

HD 1461 Architecture & Discovery Information

HD 1461