55 Cnc Overview
55 Cnc B
0.29
R⦿
3187.00
K
55 Cnc
0.93
R⦿
5307.00
K
55 Cnc e
0.167
RJup
55 Cnc b
55 Cnc c
55 Cnc f
55 Cnc d
- Other Data
- Bibliography 48
- Exoplanet Archive Notes 6
- 55 Cnc B Nearby Data 5
- 55 Cnc Nearby Data 5
Discovery Data
Host | Planet | Method | Year | Reference | Disposition |
---|---|---|---|---|---|
55 Cnc | 55 Cnc e | Radial Velocity | 2004 | McArthur et al. 2004 | Confirmed Planet |
55 Cnc | 55 Cnc b | Radial Velocity | 1996 | Butler et al. 1997 | Confirmed Planet |
55 Cnc | 55 Cnc c | Radial Velocity | 2004 | McArthur et al. 2004 | Confirmed Planet |
55 Cnc | 55 Cnc f | Radial Velocity | 2007 | Fischer et al. 2008 | Confirmed Planet |
55 Cnc | 55 Cnc d | Radial Velocity | 2002 | Marcy et al. 2002 | Confirmed Planet |
55 Cnc
- This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer et al. 2006)
- 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)
- Stellar rotation period and age value/uncertainties estimated from range given in ref. (Marcy et al. 2002)
- ASTERIA CubeSat data for this object can be accessed here. (Knapp et al. 2020)
- The photometric transit derived values are all at 4.5 microns. (Demory et al. 2011)
- RA
- 08h52m40.30s
- Dec
- +28d18m55.03s
- Distance
- 12.4773±0.0171 pc
- Parallax
- 80.116600±0.108962 mas
- Ecliptic Latitude
- 10.35672 deg
- Ecliptic Longitude
- 127.74903 deg
- Galactic Latitude
- 37.71118 deg
- Galactic Longitude
- 196.81868 deg
- Total Proper Motion
- 539.8833656±0.1428690 mas/yr
- Proper Motion (RA)
- -481.204000±0.150965 mas/yr
- Proper Motion (Dec)
- -244.779000±0.105915 mas/yr
- Photometry
-
mV13.152±0.090
-
mTESS10.3334000±0.0073243
-
mJ8.560±0.027
-
mH7.933±0.040
-
mKs7.666±0.023
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mGaia11.679800±0.000884
-
mB14.884±0.088
- RA
- 08h52m35.24s
- Dec
- +28d19m47.34s
- Distance
-
12.5855+0.0124-0.0123pc
- Parallax
- 79.4274000±0.0776646 mas
- Ecliptic Latitude
- 10.36555 deg
- Ecliptic Longitude
- 127.72682 deg
- Galactic Latitude
- 37.69663 deg
- Galactic Longitude
- 196.79526 deg
- Total Proper Motion
- 539.1329986±0.1295797 mas/yr
- Proper Motion (RA)
- -485.872000±0.133857 mas/yr
- Proper Motion (Dec)
- -233.651000±0.109171 mas/yr
- Photometry
-
mV5.95084±0.02300
-
mTESS5.2058±0.0061
-
mJ4.768±0.244
-
mH4.265±0.234
-
mKs4.015±0.036
-
mW14.001±0.318
-
mW23.296±0.174
-
mW34.051±0.015
-
mW44.014±0.030
-
mGaia5.7297300±0.0008523
-
mB6.816±0.019
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.37±0.14 dex
-
[C/H] 0.43±0.28 dex
-
[O/H] 0.24±0.28 dex
-
[Na/H] 0.47±0.22 dex
-
[Mg/H] 0.43±0.26 dex
-
[Al/H] 0.44±0.14 dex
-
[Si/H] 0.38±0.16 dex
-
[Ca/H] 0.32±0.18 dex
-
[Y/H] 0.24±0.26 dex
-
[BaII/H] 0.27±0.16 dex
Source | Rosenthal et al. 2021 | TICv8 | Dai et al. 2019 | Bourrier et al. 2018 | Crida et al. 2018 | Gaia DR2 | Turnbull 2015 | Maldonado et al. 2015 | Salz et al. 2015 | Baluev 2015 | Bourrier & Hébrard 2014 | von Braun et al. 2011 | Demory et al. 2011 | Winn et al. 2011 | Takeda et al. 2007 | Valenti & Fischer 2005 | McArthur et al. 2004 | Wright et al. 2004 | Naef et al. 2004 | Gray et al. 2003 | Santos et al. 2003 | Marcy et al. 2002 | Nidever et al. 2002 | Butler et al. 1997 | Cannon & Pickering 1918 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
S Index
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.165±0.021 | --- | --- | --- | --- | --- | --- | --- | --- | ||
CAII LOG RHK
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | -5.04 | --- | --- | --- | --- | --- | --- | --- | --- | ||
Teff
(K)
|
5317.89014944000±80.50697962272 |
5250.000+123.300-171.847
|
5172±18 | 5172±18 | --- |
5306.00+241.00-152.35
|
5235 | 5334±20 | --- | --- | --- | 5196±24 | 5234±30 | --- | --- | --- | --- | --- | --- | --- | 5307 | --- | --- | 5200 | --- | 5250.0±147.6 | ||
Metallicity
(dex)
|
0.38330181143999997±0.05500705166305001 [Fe/H] | 0.35±0.10 [M/H] | 0.35±0.10 [Fe/H] | 0.35±0.10 [Fe/H] | --- | --- | 0.31 [Fe/H] | 0.42±0.03 [Fe/H] | --- | --- | --- | 0.31±0.04 [Fe/H] | 0.31±0.04 [Fe/H] | --- | --- | --- | --- | --- | --- | --- | 0.35 [Fe/H] | 0.27 [Fe/H] | --- | 0.23 [Fe/H] | --- | --- | ||
M✶
(M⦿)
|
0.9747075631700000±0.0450564794409250 |
0.9000000+0.1400420-0.0899928
|
0.873+0.051-0.035
|
0.905±0.015 | 1.015±0.051 | --- | 0.96 | --- | --- | 0.95 | --- | 0.905±0.015 | 0.905±0.015 |
0.963 +0.051-0.029
|
0.9630+0.0510-0.0290
|
--- | 0.950±0.080 | --- | --- | --- | 0.88 | 0.95 | --- | 0.85 | --- | --- | ||
log g
(log10(cm/s2))
|
4.45813087040500±0.03165962825547 |
4.4245900+0.0515368-0.1356500
|
4.43±0.02 | 4.43±0.02 | --- | --- | 4.48 | 4.58±0.05 | --- | --- | --- | 4.45±0.01 | 4.45±0.08 | --- |
4.48+0.05-0.01
|
--- | --- | --- | --- | --- | 4.58 | --- | --- | 4.50 | --- | 4.42±0.09 | ||
L✶
(log10(L⦿))
|
--- |
-0.1969510+0.0124975-0.0103906
|
--- | --- | --- |
-0.19410696+0.00058394-0.00058470
|
-0.180 +0.061-0.071
|
--- | --- | --- | --- |
-0.235 +0.010-0.011
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||
Age
(Gyr)
|
--- | --- | --- | --- | --- | --- | 9.5 | --- | --- | --- | --- | 10.2±2.5 | --- | --- | >7.24 | --- | --- | --- | --- | --- | --- | 5.5±2.5 | --- | 5 | --- | --- | ||
R✶
(R⦿)
|
0.964411455860500±0.020816300504175 |
0.96351500+0.07773920-0.05315530
|
0.954+0.017-0.018
|
0.943±0.010 | 0.980±0.016 |
0.94637810+0.05677990-0.08044800
|
0.93 | --- | --- | --- | --- | 0.943±0.010 | 0.943±0.010 | 0.943±0.010 |
0.93+0.04-0.03
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.963514983654022±0.065447200000000 | ||
Sp. T
|
--- | --- | --- | --- | --- | --- | G8V | --- | K0 IV-V | --- | --- | K0 IV-V | --- | G8 V | --- | --- | --- | --- | --- | K0 IV-V | --- | G8 V | --- | G8 V | K0 | --- | ||
v sin i
(km/s)
|
--- | --- | --- | <1.23±0.01 | --- | --- | --- | --- | --- | --- | 3.3±0.9 | --- | --- | --- | --- | 2.5±0.5 | --- | --- | --- | --- | --- | --- | --- | 2.0 | --- | --- | ||
Prot
(days)
|
--- | --- | --- | 38.80±0.05 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 38.5±3.5 | --- | 44 | --- | --- | ||
γ
(km/s)
|
--- | --- | --- | --- | --- | 27.25733445824737±0.14018414499934 | --- | --- | --- | --- | 27.40949±0.00008 | --- | --- | --- | --- | 27.8 | --- | --- | 27.252±0.009 | --- | --- | --- | 27.4 | --- | --- | --- | ||
ρ✶
(g/cm3)
|
--- |
1.4185108+0.5378713-0.2174488
|
1.41+0.15-0.10
|
--- | 1.521±0.007 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
Source | Bourrier et al. 2018 | Kokori et al. 2023 | Rosenthal et al. 2021 | Zhang et al. 2021 | Knapp et al. 2020 | Dai et al. 2019 | Crida et al. 2018 | Demory et al. 2016 | Demory et al. 2016 | Baluev 2015 | Bourrier & Hébrard 2014 | Nelson et al. 2014 | Endl et al. 2012 | Demory et al. 2011 | Winn et al. 2011 | Wright et al. 2009 | McArthur et al. 2004 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Teq
(K)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 1958±15 | --- | --- | --- | 1831.26724072643 | ||
S
(S⨁)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 2657.83433496404 | ||
P
(days)
|
0.7365474+0.0000013-0.0000014
|
0.73654625±0.00000015 |
0.7365445+0.0000014-0.0000015
|
0.73654604±0.00000016 | --- | 0.737 | 0.7365474±0.0000013 | 0.736539±0.000007 | --- | 0.7365515±0.0000015 |
0.7365417+0.0000025-0.0000028
|
0.7365478 +0.0000016-0.0000012
|
0.736546±0.000003 | 0.7365437±0.0000052 | 0.7365400±0.0000030 | 2.79674±0.00010 | 2.808±0.002 | 0.736545815150004±0.000001013927500 | ||
Rp
(R⨁)
|
1.875±0.029 | --- | --- | --- | --- |
1.897+0.044-0.046
|
1.947±0.038 | 1.91±0.08 | 1.92±0.08 | --- | --- | --- |
2.173 +0.097-0.098
|
2.08+0.16-0.17
|
2.00±0.14 | --- | --- | 1.91507178421826±0.21438564000000 | ||
Rp
(RJup)
|
0.1673±0.0026 | --- | --- | --- | --- |
0.1692+0.0039-0.0041
|
0.1737±0.0034 | 0.170±0.007 | 0.171±0.007 | --- | --- | --- | 0.194±0.009 |
0.186+0.014-0.015
|
0.178±0.012 | --- | --- | 0.170851555147941±0.019126238659685 | ||
δ
(%)
|
--- | --- | --- | --- | 0.0374±0.0170 | --- | --- | --- | --- | --- | --- | --- | --- | 0.0410±0.0063 | 0.0380±0.0052 | --- | --- | 0.0374999203886748±0.0004937155700000 | ||
T14
(hours)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
1.58+0.08-0.07
|
--- | --- |
1.60+0.03-0.05
|
1.5792±0.0312 | --- | --- | 1.55501601019909±0.02733245500000 | ||
TC
(days)
|
2457063.2096+0.0006-0.0004
|
2459370.807543±0.000093 |
2456340.655+0.008-0.009
|
2458723.38328±0.00014 | --- | --- | --- | 2455733.013±0.007 | 2455733.008±0.002 | --- |
2455962.0697+0.0017-0.0018
|
--- | --- |
2455568.0265+0.0015-0.0010
|
2455607.05562±0.00087 | --- | --- | 2459577.776735±0.000428 | ||
a/R✶
|
3.52±0.01 | 3.47±0.07 | --- | --- | --- | --- | 3.52±0.01 | --- | --- | --- |
3.523+0.042-0.040
|
--- | --- |
3.517+0.041-0.040
|
3.6114 +0.0570-0.0552
|
--- | --- | --- | ||
b
|
0.39±0.03 | --- | --- | --- | --- | --- | --- | 0.41±0.05 |
0.36+0.07-0.09
|
--- | --- | --- | --- |
0.16+0.13-0.10
|
0.00±0.24 | --- | --- | --- | ||
ω
(deg)
|
86.00+30.70-33.40
|
--- |
2.0+46.0-50.0
|
--- | --- | --- | --- | --- | --- | 72±42 | --- | --- | 90 |
202+88-70
|
--- | 157±38 | 261.65±41.14 | --- | ||
Mp
(M⨁)
|
7.99+0.32-0.33
|
--- | --- | --- | --- |
7.74+0.37-0.30
|
8.59±0.43 | 8.08±0.31 | 8.08±0.31 | 8.13928±0.23201 | --- |
8.09479 +0.26061-0.25743
|
8.37±0.38 |
7.81+0.58-0.53
|
8.63±0.35 | --- | --- | --- | ||
Mp
(MJup)
|
0.0251+0.0010-0.0010
|
--- | --- | --- | --- |
0.0244+0.0012-0.0009
|
0.0270±0.0014 | 0.0254±0.0010 | 0.0254±0.0010 | 0.02561±0.00073 | --- |
0.02547 +0.00082-0.00081
|
0.026±0.001 |
0.0246+0.0018-0.0017
|
0.027±0.001 | --- | --- | --- | ||
Mp sin i
(M⨁)
|
--- | --- | 9.38±0.44 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 7.80±0.56 | --- | 7.4687±1.5573 | 14±3 | --- | ||
Mp sin i
(MJup)
|
--- | --- | 0.0295±0.0014 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0245±0.0018 | --- | 0.0235±0.0049 | 0.045±0.010 | --- | ||
e
|
0.05±0.03 | --- |
0.036+0.034-0.025
|
--- | --- | --- | --- | --- | --- | 0.040±0.027 | --- |
0.028 +0.022-0.019
|
0.0 |
0.0610+0.0650-0.0430
|
--- | 0.264±0.060 | 0.174±0.127 | --- | ||
i
(deg)
|
83.59+0.47-0.44
|
83.6±0.6 | --- | --- | --- | --- | --- |
83.3+0.9-0.8
|
83+2-1
|
90 |
85.4+2.8-2.1
|
90.36 +3.96-4.66
|
--- |
87.3+1.7-2.1
|
90.0±3.8 | --- | --- | --- | ||
ρ
(g/cm3)
|
6.66+0.43-0.40
|
--- | --- | --- | --- |
6.25+0.74-0.70
|
6.421±0.342 |
6.4+0.8-0.7
|
6.3+0.8-0.7
|
--- | --- | --- | 4.50±0.20 |
4.78+1.31-1.20
|
5.9 +1.5-1.1
|
--- | --- | --- | ||
Rp/R✶
|
0.0182±0.0002 | 0.0187±0.0004 | --- | --- | --- |
0.01821+0.00027-0.00029
|
0.0182±0.0002 | 0.0187±0.0007 | 0.0187±0.0007 | --- |
0.01936+0.00079-0.00075
|
--- | --- |
0.0202+0.0015-0.0016
|
0.0195±0.0013 | --- | --- | --- | ||
K
(m/s)
|
6.02+0.24-0.23
|
--- |
6.76+0.24-0.23
|
--- | --- | 6.00±0.17 | 6.02±0.24 | --- | --- | 5.97±0.17 | 6.30±0.21 | 6.12±0.20 | 6.30±0.21 | 5.93±0.42 | 6.1±0.2 | 3.73±0.53 | 6.665±0.810 | --- | ||
a
(au)
|
0.01544±0.00005 | --- | 0.01583±0.00024 | --- | --- | --- | --- | 0.01544±0.00009 | 0.01544±0.00009 | 0.015690907±0.000000021 | --- | 0.015439±0.000015 | 0.01583±0.00020 | 0.01544±0.00009 | 0.01583±0.00020 | 0.0377±0.0022 | 0.038±0.001 | --- | ||
λ
(deg)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
72.4 +12.7-11.5
|
--- | --- | --- | --- | --- | --- | --- | ||
Occ. Depth
(%)
|
--- | --- | --- | --- | --- | --- | --- | 0.0154±0.0023 | 0.0083±0.0014 | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||
Tp
(days)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 2447578.21590±0.00010 | 2453295.31±0.32 | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
Source | Bourrier et al. 2018 | Rosenthal et al. 2021 | Salz et al. 2015 | Baluev 2015 | Nelson et al. 2014 | Endl et al. 2012 | Wright et al. 2009 | Fischer et al. 2008 | McArthur et al. 2004 | Naef et al. 2004 | Marcy et al. 2002 | Butler et al. 1997 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Tp
(days)
|
--- | --- | --- | --- | --- | 2453035.0±2.2 | 2447572.0±1.2 | 2450002.94749±1.2 | 2453021.08±0.01 | 2450000.80±0.48 | 2450001.479 | --- |
ω
(deg)
|
-21.50+56.90-89.80
|
-30.0+97.0-35.0
|
--- | 98±53 | --- | 110±54 | 164±30 | 131.94±30 | 131.49±33.27 | 63±12 | 99.0±35.0 | 41 |
Mp sin i
(M⨁)
|
255.4±2.9 | 267±8 | --- | --- | --- | 254.25±3.814 | 260.61±38.14 | 261.881±2.225 | 249±29 | 289.21±6.36 | 267±22 | 267 |
Mp sin i
(MJup)
|
0.8036+0.0092-0.0091
|
0.841±0.026 | --- | --- | --- | 0.80±0.012 | 0.82±0.12 | 0.824±0.007 | 0.784±0.090 | 0.91±0.02 | 0.84±0.07 | 0.84 |
e
|
0.0±0.0 |
0.0048+0.0036-0.0031
|
0 | 0.0034±0.0032 |
0.0023 +0.0025-0.0016
|
0.004±0.003 | 0.0159±0.0080 | 0.014±0.008 | 0.0197±0.0120 | 0.030±0.023 | 0.020±0.020 | 0.051±0.013 |
P
(days)
|
14.6516±0.0001 |
14.651710+0.000053-0.000052
|
14.6 | 14.65152±0.00015 |
14.465314 +0.00090-0.00095
|
14.651±0.0001 | 14.65126±0.00070 | 14.65162±0.0007 | 14.67±0.01 | 14.647±0.001 | 14.6530±0.0006 | 14.6480±0.0009 |
a
(au)
|
0.1134±0.0006 | 0.1162±0.0018 | 0.113 | 0.11522725±0.00000079 | 0.11339±0.00011 | 0.1134±0.0006 | 0.1138±0.0066 | 0.115±0.0000011 | 0.115±0.003 | 0.115 | 0.115±0.003 | 0.11 |
K
(m/s)
|
71.37±0.21 |
71.08+0.23-0.21
|
--- | 71.40±0.29 | 71.47±0.21 | 71.11±0.24 | 71.84±0.41 | --- | 67.365±0.820 | 78.3±1.8 | 72.2±1.0 | 77.1±0.9 |
Teq
(K)
|
--- | --- | 700 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
Mp
(M⨁)
|
--- | --- | 254.25 | 263.9785±1.0488 |
266.966 +41.634-9.852
|
--- | --- | --- | --- | --- | --- | --- |
Mp
(MJup)
|
--- | --- | 0.80 | 0.8306±0.0033 |
0.840 +0.131-0.031
|
--- | --- | --- | --- | --- | --- | --- |
i
(deg)
|
--- | --- | --- | 90 |
89.73 +24.49-24.54
|
--- | --- | --- | --- | --- | --- | --- |
TC
(days)
|
--- | 2455803.293±0.014 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
Source | Bourrier et al. 2018 | Rosenthal et al. 2021 | Baluev 2015 | Nelson et al. 2014 | Endl et al. 2012 | Wright et al. 2009 | Fischer et al. 2008 | McArthur et al. 2004 |
---|---|---|---|---|---|---|---|---|
Tp
(days)
|
--- | --- | --- | --- | 2453083±3 | 2447547.5±3.3 | 2449989.3385±3.3 | 2453028.63±0.25 |
ω
(deg)
|
2.40+43.10-49.20
|
30+26-37
|
51±84 | --- | 356±22 | 57±29 | 77.9±29.0 | 244.39±10.65 |
Mp sin i
(M⨁)
|
51.2±1.3 | 54.35±2.10 | --- | --- | 52.440±1.7162 | 52.440±8.263 | 53.711±2.543 | 69.0±12.7 |
Mp sin i
(MJup)
|
0.1611±0.0040 | 0.1710±0.0066 | --- | --- | 0.165±0.0054 | 0.165±0.026 | 0.169±0.008 | 0.217±0.040 |
e
|
0.03±0.02 |
0.048+0.031-0.029
|
0.020±0.031 |
0.072 +0.013-0.014
|
0.07±0.02 | 0.053±0.052 | 0.086±0.052 | 0.44±0.08 |
P
(days)
|
44.3989+0.0042-0.0043
|
44.3827±0.0038 | 44.4175±0.0073 |
44.373 +0.020-0.018
|
44.38±0.007 | 44.3787±0.0070 | 44.3446±0.007 | 43.93±0.25 |
a
(au)
|
0.2373±0.0013 |
0.2432+0.0037-0.0038
|
0.241376±0.000026 | 0.23735±0.00024 | 0.237±0.0013 | 0.238±0.014 | 0.240±0.000045 | 0.240±0.008 |
K
(m/s)
|
9.890±0.220 |
10.01+0.22-0.25
|
10.18±0.33 | 10.48±0.21 | 10.12±0.23 | 10.06±0.43 | --- | 12.946±0.860 |
Mp
(M⨁)
|
--- | --- | 54.4738±1.7480 |
56.6985 +8.7400-2.4790
|
--- | --- | --- | --- |
Mp
(MJup)
|
--- | --- | 0.1714±0.0055 |
0.1784 +0.0275-0.0078
|
--- | --- | --- | --- |
i
(deg)
|
--- | --- | 90 |
89.73 +24.49-24.54
|
--- | --- | --- | --- |
TC
(days)
|
--- |
2455846.83+0.43-0.48
|
--- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
Source | Bourrier et al. 2018 | Rosenthal et al. 2021 | Baluev 2015 | Nelson et al. 2014 | Endl et al. 2012 | Wright et al. 2009 | Fischer et al. 2008 |
---|---|---|---|---|---|---|---|
Tp
(days)
|
--- | --- | --- | --- | 2451878±5 | 2447488.0±1.1 | 2450080.9108±1.1 |
ω
(deg)
|
-97.60+37.00-51.30
|
2.0+20.0-22.0
|
166±15 | --- | 139±8 | 206±60 | 181.1±60 |
Mp sin i
(M⨁)
|
47.8±2.4 | 46.88±2.99 | --- | --- | 54.664±2.543 | 44.812±12.395 | 45.766±12.713 |
Mp sin i
(MJup)
|
0.1503±0.0076 | 0.1475±0.0094 | --- | --- | 0.172±0.008 | 0.141±0.039 | 0.144±0.04 |
e
|
0.080+0.050-0.040
|
0.142+0.060-0.066
|
0.305±0.075 |
0.080 +0.102-0.057
|
0.32±0.05 | 0.00±0.20 | 0.2±0.2 |
P
(days)
|
259.88±0.29 | 260.98±0.24 | 262.00±0.51 | 260.91±0.36 | 261.2±0.4 | 260.7±1.1 | 260.00±1.1 |
a
(au)
|
0.7708+0.0043-0.0044
|
0.792±0.012 | 0.7880±0.0010 | 0.7733±0.0010 | 0.77±0.005 | 0.775±0.045 | 0.781±0.007 |
K
(m/s)
|
5.14+0.26-0.25
|
4.84±0.27 | 4.87±0.43 | 4.80±0.20 | 6.2±0.3 | 4.75±0.60 | --- |
Mp
(M⨁)
|
--- | --- | 44.812±3.814 |
47.0051 +6.9602-2.9557
|
--- | --- | --- |
Mp
(MJup)
|
--- | --- | 0.141±0.012 |
0.1479 +0.0219-0.0093
|
--- | --- | --- |
i
(deg)
|
--- | --- | 90 |
89.73 +24.49-24.54
|
--- | --- | --- |
TC
(days)
|
--- |
2456020.7+5.2-6.1
|
--- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
Source | Bourrier et al. 2018 | Rosenthal et al. 2021 | Baluev 2015 | Nelson et al. 2014 | Endl et al. 2012 | Wright et al. 2009 | Fischer et al. 2008 | McArthur et al. 2004 | Naef et al. 2004 | Marcy et al. 2002 |
---|---|---|---|---|---|---|---|---|---|---|
Tp
(days)
|
--- | --- | --- | --- | 2453490±437 | 2446860±230 | 2452500.60±230 | 2452837.69±68.87 | 2450568±200 | 2452785±250 |
ω
(deg)
|
-69.1+9.1-7.9
|
60.0+7.4-8.6
|
44±31 | --- | 254±32 | 163±32 | 181.3±32 | 234.73±6.74 | 347±23 | 201±22 |
Mp sin i
(M⨁)
|
991.60+30.70-33.10
|
909±79 | --- | --- | 1121.89±25.43 | 1220.42±184.33 | 1218.827±25.425 | 1243±165 | 918.49±149.37 | 1287±127 |
Mp sin i
(MJup)
|
3.12±0.10 | 2.86±0.25 | --- | --- | 3.53±0.08 | 3.84±0.58 | 3.835±0.08 | 3.912±0.520 | 2.89±0.47 | 4.05±0.40 |
e
|
0.13±0.02 |
0.139+0.015-0.016
|
0.019±0.013 |
0.0269 +0.0061-0.0065
|
0.02±0.008 | 0.063±0.030 | 0.025±0.03 | 0.327±0.280 | 0.24±0.13 | 0.16±0.06 |
P
(days)
|
5574.2+93.8-88.6
|
4820+77-72
|
4825±39 |
4867 +25-26
|
4909±30 | 5370±230 | 5218±230 | 4517.4±77.8 | 4545±1421 | 5360±400 |
a
(au)
|
5.957+0.074-0.071
|
5.54±0.10 | 5.503±0.030 | 5.446±0.020 | 5.47±0.06 | 5.84±0.39 | 5.77±0.11 | 5.257±0.208 | 5.28 | 5.9±0.9 |
K
(m/s)
|
38.6+1.3-1.4
|
35.3+2.7-2.6
|
48.29±0.80 |
47.30 +0.44-0.41
|
45.2±0.4 | 47.2±1.8 | --- | 49.786±1.530 | 37.8±3.9 | 49.3±2.5 |
Mp
(M⨁)
|
--- | --- | 1232.493±21.612 |
1226.77 +190.69-47.67
|
--- | --- | --- | --- | --- | --- |
Mp
(MJup)
|
--- | --- | 3.878±0.068 |
3.86 +0.60-0.15
|
--- | --- | --- | --- | --- | --- |
i
(deg)
|
--- | --- | 90 |
89.73 +24.49-24.54
|
--- | --- | --- | --- | --- | --- |
TC
(days)
|
--- |
2455790+120-91
|
--- | --- | --- | --- | --- | --- | --- | --- |
Literature Stellar Spectra
(11 Files)
File Type | Spectrum Type | Wavelength Category | Reference |
---|---|---|---|
Spectra | echelle grating | Optical | California Planet Search |
Spectra | echelle grating | Optical | California Planet Search |
Spectra | echelle grating | Optical | California Planet Search |
Spectra | echelle grating | Optical | California Planet Search |
Spectra | echelle grating | Optical | California Planet Search |
Spectra | echelle grating | Optical | California Planet Search |
Spectra | echelle grating | Optical | California Planet Search |
Spectra | echelle grating | Optical | California Planet Search |
Spectra | echelle grating | Optical | California Planet Search |
Spectra | echelle grating | Optical | California Planet Search |
Spectra | Infrared | Beichman et al. 2006 |
Literature Time Series
(2 File Types, 10 Files)
File Type | Data Points | Filter | Reference |
---|---|---|---|
Photometric Light Curve | 111 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
Radial Velocity Curve | 274 | Optical Spectra | Howard & Fulton 2016 |
Radial Velocity Curve | 193 | Optical Spectra | Howard & Fulton 2016 |
Radial Velocity Curve | 24 | Optical Spectra | Howard & Fulton 2016 |
Radial Velocity Curve | 14 | Optical Spectra | Howard & Fulton 2016 |
Radial Velocity Curve | 250 | Optical Spectra | Fischer et al. 2008 |
Radial Velocity Curve | 70 | Optical Spectra | Fischer et al. 2008 |
Radial Velocity Curve | 119 | Optical Spectra | McArthur et al. 2004 |
Radial Velocity Curve | 48 | Optical Spectra | Naef et al. 2004 |
Radial Velocity Curve | 146 | Optical Spectra | Marcy et al. 2002 |
- Known Objects
- 5 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 5 Associated Literature Data
- Known Objects
- 5 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 5 Associated Literature Data
-
ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 | Reference Overview -
The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades
Rosenthal et al. 2021 | Reference Overview -
No Escaping Helium from 55 Cnc e
Zhang et al. 2021 | Reference Overview -
Demonstrating High-precision Photometry with a CubeSat: ASTERIA Observations of 55 Cancri e
Knapp et al. 2020 | 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 -
Homogeneous Analysis of Hot Earths: Masses, Sizes, and Compositions
Dai et al. 2019 | Reference Overview -
The 55 Cancri system reassessed
Bourrier et al. 2018 | Reference Overview -
Mass, Radius, and Composition of the Transiting Planet 55 Cnc e: Using Interferometry and Correlations—A Quick Update
Crida et al. 2018 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
Limits on Planetary Companions from Doppler Surveys of Nearby Stars
Howard & Fulton 2016 | Reference Overview -
A map of the large day-night temperature gradient of a super-Earth exoplanet
Demory et al. 2016 | Reference Overview -
Variability in the super-Earth 55 Cnc e
Demory et al. 2016 | Reference Overview -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 | Reference Overview -
Searching for signatures of planet formation in stars with circumstellar debris discs
Maldonado et al. 2015 | Reference Overview -
High-energy irradiation and mass loss rates of hot Jupiters in the solar neighborhood
Salz et al. 2015 | Reference Overview -
Enhanced models for stellar Doppler noise reveal hints of a 13-year activity cycle of 55 Cancri
Baluev 2015 | Reference Overview -
Detecting the spin-orbit misalignment of the super-Earth 55 Cancri e
Bourrier & Hébrard 2014 | Reference Overview -
The 55 Cancri planetary system: fully self-consistent N-body constraints and a dynamical analysis
Nelson et al. 2014 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
Revisiting ??1 Cancri e: A New Mass Determination of the Transiting Super-Earth
Endl et al. 2012 | Reference Overview -
55 Cancri: Stellar Astrophysical Parameters, a Planet in the Habitable Zone, and Implications for the Radius of a Transiting Super-Earth
von Braun et al. 2011 | Reference Overview -
Detection of a transit of the super-Earth 55 Cancri e with warm Spitzer
Demory et al. 2011 | Reference Overview -
A Super-Earth Transiting a Naked-Eye Star
Winn et al. 2011 | Reference Overview -
Ten New and Updated Multiplanet Systems and a Survey of Exoplanetary Systems
Wright et al. 2009 | Reference Overview -
Five Planets Orbiting 55 Cancri
Fischer et al. 2008 | Reference Overview -
CPS
California Planet Search -
Validation of the new Hipparcos reduction
van Leeuwen et al. 2007 | Reference Overview -
Structure and Evolution of Nearby Stars with Planets. II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog
Takeda et al. 2007 | Reference Overview -
A search for wide visual companions of exoplanet host stars: The Calar Alto Survey
Mugrauer et al. 2006 | Reference Overview -
IRS Spectra of Solar-Type Stars: A Search for Asteroid Belt Analogs
Beichman et al. 2006 | Reference Overview -
Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs
Valenti & Fischer 2005 | Reference Overview -
Detection of a Neptune-Mass Planet in the Cancri System Using the Hobby-Elberly Telescope
McArthur et al. 2004 | Reference Overview -
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright et al. 2004 | Reference Overview -
The ELODIE survey for northern extra-solar planets. III. Threeplanetry candidates detected with ELODIE
Naef et al. 2004 | Reference Overview -
Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Northern Sample I
Gray et al. 2003 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
Statistical properties of exoplanets. II. Metallicity, orbital parameters, and space velocities
Santos et al. 2003 | Reference Overview -
A Planet at 5 AU around 55 Cancri
Marcy et al. 2002 | Reference Overview -
Radial Velocities of 889 late-type stars
Nidever et al. 2002 | Reference Overview -
Revised Coordinates and Proper Motions of the Stars in the Luyten Half-Second Catalog
Bakos et al. 2002 | 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 -
Three New "51 Pegasi--Type" Planets
Butler et al. 1997 | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | Reference Overview -
Yale Trigonometric Parallaxes Preliminary (van Altena+ 1991)
van Altena et al. 1995 | Reference Overview -
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 | Reference Overview
- System
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- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
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- Kepler | K2
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