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7 CMa Overview

7 CMa 5.20 R⦿ 4761.00 K
7 CMa b
7 CMa c
Architecture
7 CMa
7 CMa
7 CMa b
7 CMa c
Other Data
Bibliography 19
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
7 CMa 7 CMa b Radial Velocity 2011 Wittenmyer et al. 2011 Confirmed Planet
7 CMa 7 CMa c Radial Velocity 2019 Luque et al. 2019 Confirmed Planet
RA
06h36m41.11s
Dec
-19d15m22.25s
Distance
19.8101±0.1648 pc
Parallax
50.457100±0.416775 mas
Ecliptic Latitude
-42.32234 deg
Ecliptic Longitude
101.73845 deg
Galactic Latitude
-11.79597 deg
Galactic Longitude
228.68876 deg
Total Proper Motion
95.6229309±0.5996784 mas/yr
Proper Motion (RA)
61.991600±0.606915 mas/yr
Proper Motion (Dec)
-72.806500±0.594377 mas/yr
Photometry
mV
3.95±0.03
mTESS
3.0677±1.8692
mJ
2.173±0.244
mH
1.679±0.234
mKs
1.564±0.252
mW1
-0.682
mW2
-0.525
mW3
1.653±0.014
mW4
1.541±0.015
mIc
---
mGaia
3.6785300±0.0041348
mB
5.013±0.017
Abundances
(Hypatia Catalog)
[Fe/H] 0.29±0.38 dex
[C/H] 0.49±0.38 dex
[O/H] -0.12±0.14 dex
[Na/H] 0.43±0.48 dex
[Mg/H] 0.30±0.34 dex
[Al/H] 0.31±0.42 dex
[Si/H] 0.24±0.41 dex
[Ca/H] 0.14±0.55 dex
[Y/H] 0.37±0.08 dex
[BaII/H] 0.00±0.18 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source Lin et al. 2024 Luque et al. 2019 TICv8 Gaia DR2 Turnbull 2015 Mortier et al. 2013 Wittenmyer et al. 2011 Gray et al. 2006 Michigan Catalog, Vol. 4 Michigan Catalog, Vol. 4 Cannon & Pickering 1918
L✶
(log10(L⦿))
1.121±0.022
1.063+0.012-0.008
 ---
1.1076940+0.0041622-0.0042025
 1.079±0.002 ---
1.053 +0.011-0.012
--- --- --- ---
M✶
(M⦿)
1.439±0.047
1.34+0.11-0.12
 --- --- 1.89 1.34±0.13 1.52±0.30 --- --- --- ---
R✶
(R⦿)
5.198±0.060
4.87+0.17-0.14
 4.90843
5.3193636+0.2152760-0.0777756
 5.01 --- 2.3±0.1 --- --- --- ---
log g
(log10(cm/s2))
3.165±0.005
3.19+0.06-0.07
 --- --- 3.05 3.11±0.22 3.25±0.10 --- --- --- ---
Teff
(K)
---
4826+45-55
 4794.5200±24.1018
4735.0+35.0-93.0
 4799 4761±79 4792±100 --- --- --- ---
Metallicity
(dex)
--- 0.21±0.10 [Fe/H] 0.08823530±0.02572480 [M/H] --- --- 0.21±0.05 [Fe/H] 0.21±0.10 [Fe/H] --- --- --- ---
Sp. T
--- --- --- --- K1III(+M) --- K1 III K1 III K1 III (+ M) K1 III (+ M) K0
v sin i
(km/s)
--- --- --- --- --- --- 1.15 --- --- --- ---
Age
(Gyr)
---
4.3+0.9-1.3
 --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Luque et al. 2019 Lin et al. 2024 Wittenmyer et al. 2016 Wittenmyer et al. 2011
Mp sin i
(M⨁)
588+19-13
 616.5±20.2 782±44 826.3±190.7
Mp sin i
(MJup)
1.85+0.06-0.04
 1.940±0.064 2.46±0.14 2.6±0.6
a
(au)
1.758+0.024-0.001
 1.800±0.033 1.93±0.01 1.9±0.1
Tp
(days)
--- --- 2454093±34 2455520±89
ω
(deg)
165.3+5.1-70.8
 --- 77±14 12±41
e
0.06±0.03 --- 0.22±0.07 0.14±0.06
P
(days)
735.1+14.8-1.0
 --- 796.0±7.4 763±17
K
(m/s)
34.3+1.2-0.9
 --- 41.8±2.4 44.9±4.0
i
(deg)
90 --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Luque et al. 2019 Lin et al. 2024
Mp sin i
(M⨁)
277±19 289.9±21.2
Mp sin i
(MJup)
0.87±0.06 0.912±0.067
a
(au)
2.153+0.003-0.080
 2.205±0.086
ω
(deg)
233.5+7.7-40.2
 ---
e
0.080+0.050-0.040
 ---
i
(deg)
90 ---
P
(days)
996.00+1.50-52.40
 ---
K
(m/s)
14.9+0.9-1.1
 ---
Print
Literature Time Series (2 File Types, 2 Files)
File Type Data Points Filter Reference
Photometric Light Curve     169 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     21 Optical Spectra Wittenmyer et al. 2011
Known Objects
2 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
2 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
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