IPAC Logo
NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

HD 141937 Overview

HD 141937 0.99 R⦿ 5909.00 K
HD 141937 b

HD 141937 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
HD 141937
HD 141937 b 662.37 d 3591.46 M⨁ Radial Velocity 2002 Udry et al. 2002 Confirmed Planet
HD 141937
RA
15h52m17.65s
Dec
-18d26m09.50s
Distance
33.3622+0.0719-0.0717
pc
Parallax
29.9453000±0.0640165 mas
Ecliptic Latitude
1.72652 deg
Ecliptic Longitude
239.86921 deg
Galactic Latitude
26.78098 deg
Galactic Longitude
351.88911 deg
Total Proper Motion
99.0912957±0.1321832 mas/yr
Proper Motion (RA)
97.230600±0.132782 mas/yr
Proper Motion (Dec)
19.112700±0.115614 mas/yr
Photometry
mV
7.25±0.03
mTESS
6.675±0.006
mJ
6.127±0.020
mH
5.866±0.027
mKs
5.764±0.016
mW1
6.017±0.052
mW2
5.682±0.048
mW3
5.792±0.015
mW4
5.695±0.039
mGaia
7.091490±0.000199
mB
7.856±0.000
Abundances
(Hypatia Catalog)
[Fe/H] 0.14±0.12 dex
[C/H] 0.18±0.14 dex
[O/H] 0.02±0.14 dex
[Na/H] 0.07±0.11 dex
[Mg/H] 0.13±0.10 dex
[Al/H] 0.10±0.09 dex
[Si/H] 0.12±0.12 dex
[Ca/H] 0.17±0.16 dex
[Y/H] 0.16±0.03 dex
[BaII/H] 0.14±0.06 dex
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source Piccinini et al. 2026 TICv8 Gaia DR2 Stassun et al. 2017 Liu et al. 2014 Ghezzi et al. 2010 Sousa et al. 2008 Takeda et al. 2007 Gray et al. 2006 Valenti & Fischer 2005 Wright et al. 2004 Nordstrom et al. 2004 Santos et al. 2004 Santos et al. 2003 Udry et al. 2002 Michigan Catalog, Vol. 4 Cannon & Pickering 1918
S Index
--- --- --- --- --- --- --- --- --- --- 0.169±0.022 --- --- --- --- --- ---
CAII LOG RHK
--- --- --- --- --- --- --- --- --- --- -4.94 --- --- --- -4.65 --- ---
Teff
(K)
5870±9
5857.0000+108.7010-88.1762
5890.0000+15.3335-30.0000
 5870±9 5879±70 5842±36 5893±18 --- --- --- --- --- 5909±39 5925 5925 --- ---
Metallicity
(dex)
--- 0.11±0.10 [M/H] --- 0.11 [Fe/H] 0.12±0.03 [Fe/H] 0.10±0.03 [Fe/H] 0.13±0.01 [Fe/H] --- --- --- --- --- 0.10±0.05 [Fe/H] 0.11 [Fe/H] 0.11 [Fe/H] --- ---
M✶
(M⦿)
1.09
1.060000+0.120657-0.150789
 --- 1.09±0.05 1.03±0.02 1.10±0.10 1.073
1.048+0.043-0.032
 --- --- --- --- 1.08 1.10 1.1 --- ---
log g
(log10(cm/s2))
---
4.4088600+0.0814107-0.0643495
 --- 4.45±0.02 --- 4.25±0.13 4.45±0.03 4.43±0.05 --- --- --- --- 4.51±0.08 4.62 4.62 --- ---
L✶
(log10(L⦿))
---
0.079913500+0.011201606-0.011514070
0.079915993+0.001205106-0.001208495
 --- 0.022±0.073 -0.026±0.067
0.06333+0.01148-0.01179
 --- --- --- --- --- --- --- 0.0682 --- ---
γ
(km/s)
--- --- -3.3638403626712190±0.1665343982994881 --- --- --- --- --- --- -2.2 --- -3.3±0.1 --- --- -2.915±0.002 --- ---
v sin i
(km/s)
--- --- --- --- --- --- --- --- --- 1.9±0.5 --- 4 --- --- 2.1 --- ---
Age
(Gyr)
--- --- --- --- 2.32±0.41 <1.0±1.0 ---
4.88+2.28-2.88
 --- --- --- --- --- --- 1.6 --- ---
Sp. T
G1 V --- --- --- --- --- --- --- G1 V --- --- --- --- --- G2/G3 V G2/3 V G0
Prot
(days)
--- --- --- --- --- --- --- --- --- --- --- --- --- --- 13.25 --- ---
R✶
(R⦿)
1.03
1.0647800+0.0275146-0.0538171
1.0528828+0.0108080-0.0054606
 1.03±0.01 0.99±0.06 0.950±0.080 --- 1.07±0.05 --- --- --- --- --- --- --- --- ---
ρ✶
(g/cm3)
---
1.2379262+0.2898645-0.1831364
 --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Astrometry, Radial Velocity
Tools
Planetary Systems
Source Piccinini et al. 2026 Kiefer et al. 2021 Stassun et al. 2017 Liu et al. 2014 Udry et al. 2002
Tp
(days)
2458486±1
(BJD)
--- --- --- 2451847.38±1.97
ω
(deg)
192.7±0.6 --- --- --- 187.72±0.80
Mp
(M⨁)
3591±159
8715+2155-3134
 --- --- ---
Mp
(MJup)
11.3±0.5
27.42+6.78-9.86
 --- --- ---
Mp sin i
(M⨁)
3591±159 --- 3080±127 2960.780±104.562 3080
Mp sin i
(MJup)
11.3±0.5 --- 9.690±0.400 9.316±0.329 9.7
e
0.460±0.004 --- 0.41±0.01 0.41±0.01 0.41±0.01
i
(deg)
90.00+6.75-6.76
 --- --- --- ---
P
(days)
662.37±0.09 --- 653.21997±1.20000 653.22±1.21 653.22±1.21
K
(m/s)
278.4±2.2 --- 234.5±6.4 234.5±6.4 234.5±6.4
a
(au)
1.54±0.02 --- 1.50±0.03 1.4877±0.0097 1.52
Print
Literature Time Series (2 File Types, 2 Files)
File Type Data Points Filter Reference
Photometric Light Curve     65 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     81 Optical Spectra Udry et al. 2002
Known Objects
1 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
4 KELT Time Series
1 Associated Literature Data
  • 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
NExScI Logo IPAC Logo Caltech Logo JPL Logo NASA Logo

NASA Exoplanet Archive is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.