11 Com Overview
11 Com B
0.62
R⦿
4415.00
K
11 Com
15.78
R⦿
4705.00
K
11 Com b
- Other Data
- Bibliography 15
- Exoplanet Archive Notes 2
- 11 Com B Nearby Data 3
- 11 Com Nearby Data 3
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| 11 Com | 11 Com b | Radial Velocity | 2007 | Liu et al. 2008 | Confirmed Planet |
11 Com
- This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer 2019)
- Some stellar parameter values may be biased due to companion blend (WDS Catalog)
- RA
- 12h20m43.37s
- Dec
- +17d47m42.63s
- Distance
-
100.1580+0.4960-0.4922pc
- Parallax
- 9.95568000±0.04891020 mas
- Ecliptic Latitude
- 18.33644 deg
- Ecliptic Longitude
- 177.41882 deg
- Galactic Latitude
- 78.28322 deg
- Galactic Longitude
- 264.13954 deg
- Total Proper Motion
- 140.4210646±0.0670486 mas/yr
- Proper Motion (RA)
- -108.0870000±0.0772039 mas/yr
- Proper Motion (Dec)
- 89.6397000±0.0486374 mas/yr
- Photometry
-
mV12.6170±0.0459
-
mTESS11.4996±0.0064
-
mJ---
-
mH---
-
mKs---
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mGaia12.220600±0.000719
-
mB---
- RA
- 12h20m42.91s
- Dec
- +17d47m35.71s
- Distance
- 93.1846±1.9238 pc
- Parallax
- 10.710400±0.219739 mas
- Ecliptic Latitude
- 18.33392 deg
- Ecliptic Longitude
- 177.4179 deg
- Galactic Latitude
- 78.28058 deg
- Galactic Longitude
- 264.13775 deg
- Total Proper Motion
- 140.3836266±0.3013952 mas/yr
- Proper Motion (RA)
- -109.241000±0.316107 mas/yr
- Proper Motion (Dec)
- 88.170100±0.277297 mas/yr
- Photometry
-
mV4.72307±0.02300
-
mTESS3.8379±0.0071
-
mJ2.943±0.334
-
mH2.484±0.268
-
mKs2.282±0.346
-
mW10.639
-
mW20.732
-
mW32.358±0.010
-
mW42.270±0.018
-
mGaia4.4403800±0.0038479
-
mB5.726±0.017
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.24±0.07 dex
-
[C/H] -0.41±0.12 dex
-
[O/H] -0.16±0.14 dex
-
[Na/H] -0.07±0.02 dex
-
[Mg/H] -0.21±0.06 dex
-
[Al/H] -0.10±0.04 dex
-
[Si/H] -0.10±0.02 dex
-
[Ca/H] -0.24±0.16 dex
-
[Y/H] -0.32±0.08 dex
-
[BaII/H] -0.28±0.21 dex
| Source | Teng et al. 2023 | TICv8 | Gaia DR2 | von Braun et al. 2014 | Mortier et al. 2013 | Kunitomo et al. 2011 | Liu et al. 2008 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
4874 | 4675.18000±9.23077 |
4755.0+312.0-75.0
|
4705±24 | 4830±79 | --- | 4742±100 | --- |
|
L✶
(log10(L⦿))
|
1.9782+0.1800-0.1587
|
--- |
2.1333937+0.0100418-0.0102795
|
2.039 +0.017-0.018
|
--- | --- |
2.243 +0.071-0.085
|
--- |
|
Metallicity
(dex)
|
-0.26±0.10 [Fe/H] | -0.51±0.02 [M/H] | --- | -0.30 [Fe/H] | -0.34±0.06 [Fe/H] | --- | -0.35±0.09 [Fe/H] | --- |
|
R✶
(R⦿)
|
13.76+2.85-2.45
|
17.407 |
17.181000+0.555086-2.050700
|
15.781±0.3444 | --- | --- | 19±2 | --- |
|
Sp. T
|
G8 III | --- | --- | K0 III | --- | --- | G8 III | K0 |
|
M✶
(M⦿)
|
2.09+0.64-0.63
|
--- | --- | --- | 2.04±0.29 |
2.6 +0.4-0.3
|
2.7±0.3 | --- |
|
log g
(log10(cm/s2))
|
2.45±0.08 | --- | --- | --- | 2.61±0.13 | --- | 2.31±0.1 | --- |
|
v sin i
(km/s)
|
--- | --- | --- | --- | --- | --- | 1.2±1.0 | --- |
|
γ
(km/s)
|
--- | --- | 43.368980873337946±0.208702224779160 | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Teng et al. 2023 | Kunitomo et al. 2011 | Liu et al. 2008 |
|---|---|---|---|
|
Tp
(days)
|
2454519.4+1.5-1.6
|
--- | 2452899.6±1.6 |
|
ω
(deg)
|
91.33+1.70-1.80
|
--- | 94.8±1.5 |
|
Mp sin i
(M⨁)
|
4914.9+39.1-39.7
|
5434.7 +540.3-413.2
|
6165.6±476.7 |
|
Mp sin i
(MJup)
|
15.464+0.123-0.125
|
17.1 +1.7-1.3
|
19.4±1.5 |
|
e
|
0.238±0.007 | --- | 0.231±0.005 |
|
P
(days)
|
323.21+0.06-0.05
|
--- | 326.03±0.32 |
|
K
(m/s)
|
288.63+2.39-2.37
|
--- | 302.8±2.6 |
|
a
(au)
|
1.178±0.000 |
1.21 +0.06-0.05
|
1.29±0.05 |
Literature Time Series
(2 File Types, 3 Files)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 104 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
| Radial Velocity Curve | 28 | Optical Spectra | Liu et al. 2008 |
| Radial Velocity Curve | 18 | Optical Spectra | Liu et al. 2008 |
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
Revisiting Planetary Systems in Okayama Planet Search Program: A new long-period planet, RV astrometry joint analysis, and multiplicity-metallicity trend around evolved stars
Teng et al. 2023 | Reference Overview -
Search for stellar companions of exoplanet host stars by exploring the second ESA-Gaia data release
Mugrauer 2019 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Stellar diameters and temperatures - V. 11 newly characterized exoplanet host stars
von Braun et al. 2014 | 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 -
Planet Engulfment by ~1.5-3 M sun Red Giants
Kunitomo et al. 2011 | Reference Overview -
A Substellar Companion to the Intermediate-Mass Giant 11 Comae
Liu et al. 2008 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
The Washington Double Star Catalog (WDS, 1996.0)
WDS Catalog | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | 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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