7 CMa Overview

7 CMa 2.30 R⦿ 4792.00 K
7 CMa b
7 CMa c
Architecture
7 CMa
7 CMa
7 CMa b
7 CMa c
Other Data
Bibliography 18
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
101.74232 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
2.935
mGaia
3.6785300±0.0041348
mB
5.013±0.017
Source 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
Teff
(K)
4826+45-55
4794.5200±24.1018
4735.0+35.0-93.0
4799 4761±79 4792±100 --- --- --- ---
L
(log10(L⦿))
1.063+0.012-0.008
---
1.1076940+0.0041622-0.0042025
1.079±0.002 ---
1.053 +0.011-0.012
--- --- --- ---
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] --- --- --- ---
v sin i
(km/s)
--- --- --- --- --- 1.15 --- --- --- ---
M
(M⦿)
1.34+0.11-0.12
--- --- 1.89 1.34±0.13 1.52±0.30 --- --- --- ---
R
(R⦿)
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))
3.19+0.06-0.07
--- --- 3.05 3.11±0.22 3.25±0.10 --- --- --- ---
Sp. T
--- --- --- K1III(+M) --- K1 III K1 III K1 III (+ M) K1 III (+ M) K0
Age
(Gyr)
4.3+0.9-1.3
--- --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Luque et al. 2019 Wittenmyer et al. 2016 Wittenmyer et al. 2011
Tp
(days)
--- 2454093±34 2455520±89
ω
(deg)
165.3+5.1-70.8
77±14 12±41
Mp sin i
(M)
588+19-13
782±44 826.3±190.7
Mp sin i
(MJup)
1.85+0.06-0.04
2.46±0.14 2.6±0.6
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
a
(au)
1.758+0.024-0.001
1.93±0.01 1.9±0.1
Mp
(M)
588±19 --- ---
Mp
(MJup)
2±0 --- ---
i
(deg)
90 --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Luque et al. 2019
Mp
(M)
277±19
Mp
(MJup)
0.9±0.1
ω
(deg)
233.5+7.7-40.2
Mp sin i
(M)
277±19
Mp sin i
(MJup)
0.87±0.06
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
a
(au)
2.153+0.003-0.080
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
Refuted
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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