7 CMa Overview
7 CMa
5.32
R⦿
4761.00
K
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
- 101.73845 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
-
mV3.95±0.03
-
mTESS3.0677±1.8692
-
mJ2.173±0.244
-
mH1.679±0.234
-
mKs1.564±0.252
-
mW1-0.682
-
mW2-0.525
-
mW31.653±0.014
-
mW41.541±0.015
-
mIc---
-
mGaia3.6785300±0.0041348
-
mB5.013±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
| 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 | --- | --- | --- | --- |
|
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] | --- | --- | --- | --- |
|
M✶
(M⦿)
|
1.34+0.11-0.12
|
--- | --- | 1.89 | 1.34±0.13 | 1.52±0.30 | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
3.19+0.06-0.07
|
--- | --- | 3.05 | 3.11±0.22 | 3.25±0.10 | --- | --- | --- | --- |
|
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
|
--- | --- | --- | --- |
|
R✶
(R⦿)
|
4.87+0.17-0.14
|
4.90843 |
5.3193636+0.2152760-0.0777756
|
5.01 | --- | 2.3±0.1 | --- | --- | --- | --- |
|
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
|
--- | --- | --- | --- | --- | --- | --- | --- | --- |
- 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 |
|
i
(deg)
|
90 | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Luque et al. 2019 |
|---|---|
|
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
-
Precise radial velocities of giant stars. XIII. A second Jupiter orbiting in 4:3 resonance in the 7 CMa system
Luque et al. 2019 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
The Pan-Pacific Planet Search III: five companions orbiting giant stars
Wittenmyer et al. 2016 | Reference Overview -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
New and updated stellar parameters for 71 evolved planet hosts. On the metallicity-giant planet connection
Mortier et al. 2013 | Reference Overview -
The Pan-Pacific Planet Search. I. A Giant Planet Orbiting 7 CMa
Wittenmyer et al. 2011 | Reference Overview -
Validation of the new Hipparcos reduction
van Leeuwen et al. 2007 | Reference Overview -
Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Southern Sample
Gray et al. 2006 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | 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 -
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 4
Michigan Catalog, Vol. 4 | 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
- 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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