HIP 56997 | NASA Exoplanet Archive

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
HIP 56997

HIP 56997 Stellar Parameters (26 Solutions)

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RA: 11h41m03.00s

Dec: +34d11m59.97s

Distance: 9.57679+0.01190-0.01187
pc

Parallax: 104.390000±0.128665 mas

Ecliptic Latitude: 29.24398 deg

Ecliptic Longitude: 160.84448 deg

Galactic Latitude: 73.32515 deg

Galactic Longitude: 183.55495 deg

Total Proper Motion: 381.453662±0.183141 mas/yr

Proper Motion (RA): -12.247300±0.221839 mas/yr

Proper Motion (Dec): -381.257000±0.183097 mas/yr

Photometry: m_V
5.29853±0.02300; m_TESS
4.6492±0.0069; m_J
3.988±0.242; m_H
3.648±0.228; m_Ks
3.588±0.036; m_Gaia
5.1196700±0.0031678; m_B
6.045±0.020

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

Source	TICv8	Turnbull 2015	Takeda et al. 2007	Valenti & Fischer 2005	Wright et al. 2004	Nordstrom et al. 2004	Gray et al. 2003	Pizzolato et al. 2003	Nidever et al. 2002	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Duncan et al. 1991	Cannon & Pickering 1918
γ (km/s)	---	---	---	-4.3	---	-5.9±0.1	---	---	-5.6	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
v sin i (km/s)	---	---	---	2.4±0.5	---	2	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
Sp. T	---	G8Vvar	---	---	---	---	G8 V	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	G5
P_rot (days)	---	---	---	---	---	---	---	16.00	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
Age (Gyr)	---	5.1	>11.32	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
M_✶ (M_⦿)	0.97000000+0.14277000-0.09523550	0.85	0.850+0.124-0.012	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
R_✶ (R_⦿)	0.8703570+0.0288960-0.0535965	0.90	0.90+0.02-0.04	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
log g (log₁₀(cm/s²))	4.5454400+0.0587747-0.0881214	4.48	4.48+0.10-0.02	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
T_eff (K)	5502.0000+149.1190-74.4396	5488	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
L_✶ (log₁₀(L_⦿))	-0.2038281+0.0098308-0.0096858	-0.187 +0.038-0.042	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
Metallicity (dex)	-0.070±0.100 [M/H]	-0.03 [Fe/H]	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
ρ_✶ (g/cm³)	2.074179+0.475950-0.356969	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---
S Index	---	---	---	---	0.309±0.040	---	---	---	---	0.3646±0.0181	0.2872±0.0089	0.2959±0.0115	0.3187±0.0232	0.3007±0.0048	0.3026±0.0179	0.2869±0.0111	0.3213±0.0410	0.2996±0.0320	0.3227±0.0096	0.3646±0.0181	0.2872±0.0089	0.2959±0.0115	0.3187±0.0232	0.3007±0.0048	0.3026±0.0179	---
CAII LOG RHK	---	---	---	---	-4.55	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---	---

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Ancillary Information (5 Unique Files)

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+ HIP 56997 (3 File Types, 5 Files)

Literature Stellar Spectra (1 File)

File Type	Spectrum Type	Wavelength Category	Reference
Spectra		Infrared	Beichman et al. 2006

Literature Time Series (2 File Types, 4 Files)

File Type	Data Points	Filter	Reference
Photometric Light Curve	90	Hp (Hipparcos)	Hipparcos and Tycho Catalogs
Radial Velocity Curve	69	Optical Spectra	Howard & Fulton 2016
Radial Velocity Curve	20	Optical Spectra	Howard & Fulton 2016
Radial Velocity Curve	4	Optical Spectra	Howard & Fulton 2016

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 2MASS Point Source Catalog

Data Files: 1 SuperWASP Time Series

Bibliography (18 References)

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The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
Limits on Planetary Companions from Doppler Surveys of Nearby Stars
Howard & Fulton 2016 Reference Overview
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 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
IRS Spectra of Solar-Type Stars: A Search for Asteroid Belt Analogs
Beichman et al. 2006 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
The stellar activity-rotation relationship revisited: Dependence of saturated and non-saturated X-ray emission regimes on stellar mass for late-type dwarfs.
Pizzolato et al. 2003 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
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs Reference Overview
CA II H and K measurements made at Mount Wilson Observatory, 1966-1983
Duncan et al. 1991 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

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HIP 56997 Overview

HIP 56997 Architecture & Discovery Information