K2-277 Overview
K2-277
0.97
R⦿
5640.28
K
K2-277 b
0.195
RJup
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| K2-277 | K2-277 b | 6.33 d | 2.19 R⨁ | Transit | 2018 | Livingston et al. 2018 | Confirmed Planet |
- RA
- 13h28m03.89s
- Dec
- -15d56m16.71s
- Distance
-
113.123+0.701-0.691pc
- Parallax
- 8.8115100±0.0539824 mas
- Ecliptic Latitude
- -6.23204 deg
- Ecliptic Longitude
- 206.26332 deg
- Galactic Latitude
- 46.02638 deg
- Galactic Longitude
- 315.66347 deg
- Total Proper Motion
- 105.0691656±0.0984227 mas/yr
- Proper Motion (RA)
- -98.6744000±0.0978756 mas/yr
- Proper Motion (Dec)
- -36.095600±0.102419 mas/yr
- Photometry
-
mV10.364±0.008
-
mTESS9.66562±0.00620
-
mJ9.081±0.034
-
mH8.748±0.071
-
mKs8.687±0.024
-
mKep10.215
-
mW18.630±0.023
-
mW28.675±0.020
-
mW38.649±0.024
-
mW48.418±0.261
-
mGaia10.121400±0.000803
-
mB11.081±0.111
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.10±0.01 dex
-
[C/H] 0.04±0.12 dex
-
[O/H] 0.02±0.09 dex
-
[Na/H] -0.07±0.04 dex
-
[Mg/H] 0.06±0.01 dex
-
[Al/H] 0.00±0.04 dex
-
[Si/H] 0.09±0.03 dex
-
[Ca/H] 0.11±0.06 dex
-
[Y/H] 0.22±0.08 dex
-
[BaII/H] 0.11±0.19 dex
-
Mission
- K2 : Observed in Campaign 6
| Source | Howard et al. 2025 | Thygesen et al. 2023 | TICv8 | Livingston et al. 2018 | Gaia DR2 | Kruse et al. 2019 | Mayo et al. 2018 | Petigura et al. 2018 | ExoFOP-TESS TOI | Pope et al. 2016 | Barros et al. 2016 | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5705.0±100.0 | 5680.0±120.0 |
5673.000+140.274-130.171
|
5741±65 |
5640.2750+128.9750-67.9415
|
--- | 5733.0±50.0 | --- | 5673.000±135.223 | --- | --- | ||
|
L✶
(log10(L⦿))
|
--- |
-0.0506+0.0228-0.0220
|
-0.05170340+0.01709769-0.01430425
|
--- |
-0.062643940+0.003586293-0.003616165
|
--- | --- | --- | --- | --- | --- | ||
|
γ
(km/s)
|
--- | --- | --- | --- | 7.516308738197685±0.654583360049487 | --- | --- | --- | --- | --- | --- | ||
|
R✶
(R⦿)
|
0.952±0.035 |
0.9730+0.0380-0.0350
|
0.97538300+0.04766430-0.05174770
|
0.97±0.02 |
0.974383950+0.023905400-0.043078900
|
0.974 +0.043-0.024
|
0.946965 +0.058410-0.032929
|
1.01 | 0.9753829836845398±0.0497060000000000 | --- | --- | ||
|
Metallicity
(dex)
|
0.050±0.044 [Fe/H] |
0.0780+0.0720-0.0650
[Fe/H]
|
--- | 0.11±0.05 [Fe/H] | --- | --- | 0.04±0.08 [Fe/H] | --- | --- | --- | --- | ||
|
ρ✶
(g/cm3)
|
--- | 1.5±0.2 |
1.5314379+0.3823463-0.2841237
|
6.9360+3.8190-2.8180
|
--- | --- | --- | --- | --- | --- | --- | ||
|
M✶
(M⦿)
|
0.980±0.040 |
0.9740+0.0530-0.0580
|
1.008000+0.114669-0.146234
|
1.02±0.03 | --- | --- | --- | --- | --- | --- | --- | ||
|
log g
(log10(cm/s2))
|
4.45±0.08 |
4.452+0.041-0.049
|
4.4631800+0.0711662-0.0859721
|
4.48±0.02 | --- | --- | 4.51±0.1 | --- | 4.4631800±0.0785692 | --- | --- | ||
|
Age
(Gyr)
|
--- |
4.9+4.8-3.4
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | ||
|
v sin i
(km/s)
|
2.3±1.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||
|
S Index
|
0.186 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ||
|
CAII LOG RHK
|
-4.875 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Thygesen et al. 2023 | Howard et al. 2025 | Livingston et al. 2018 | Kruse et al. 2019 | Mayo et al. 2018 | Petigura et al. 2018 | ExoFOP-TESS TOI | Pope et al. 2016 | Barros et al. 2016 | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
b
|
0.53+0.28-0.36
|
--- |
0.41+0.32-0.28
|
--- | --- |
0.50 +0.31-0.34
|
--- | 0.083 | --- | ||
|
P
(days)
|
6.326768+0.000015-0.000012
|
6.32677±0.00018 |
6.326763+0.000355-0.000361
|
6.32669±0.00012 |
6.326674 +0.000196-0.000203
|
6.326796 +0.000395-0.000397
|
6.326680036819368±0.000035812423000 | 6.327 | 6.32976960 | ||
|
Rp/R✶
|
0.02045+0.00190-0.00074
|
--- |
0.0196+0.0014-0.0008
|
0.02028 +0.00097-0.00251
|
0.020541 +0.001806-0.000935
|
0.0201 +0.0027-0.0012
|
--- | 0.017952 | --- | ||
|
δ
(%)
|
0.0418+0.0079-0.0030
|
--- | --- |
0.045 +0.00095-0.00094
|
--- | --- | 0.0520800215446204±0.0068601700000000 | 0.0322 | 0.042±0.003 | ||
|
T14
(hours)
|
1.9656+0.0672-0.0552
|
--- | --- |
1.94400+0.04800-0.06000
|
--- |
1.82880+0.10080-0.08880
|
2.0310601147528766±0.5508015000000001 | 1.67496 |
2.48600+0.21900-0.21900
|
||
|
TC
(days)
|
2457303.4771±0.0010
(BJD-TDB)
|
2457221.2301±0.0012
(BJD)
|
2457221.22958+0.00221-0.00217
(BJD)
|
2457221.23116 +0.00076-0.00072
(BJD)
|
2457221.22996 +0.001256-0.001246
(BJD)
|
2457221.22953 +0.002411-0.002472
(BJD)
|
2458575.15819400±0.00200968
(BJD)
|
2457221.228
(BJD)
|
2457227.545974
(BJD)
|
||
|
a/R✶
|
14.68+0.64-0.70
|
--- |
24.45+2.50-6.10
|
22.3 +6.9-2.9
|
21.901867 +3.291547-7.616262
|
--- | --- | --- | --- | ||
|
Rp
(R⨁)
|
2.19+0.20-0.12
|
2.23+0.14-0.06
|
2.07±0.12 |
2.16 +0.14-0.27
|
2.12171155645 +0.227831410578-0.121507095478
|
2.2 +0.4-0.2
|
2.290155372161796±2.260206000000000 | --- | --- | ||
|
Rp
(RJup)
|
0.195+0.018-0.011
|
0.199+0.012-0.005
|
0.185±0.011 |
0.193 +0.012-0.024
|
0.19 +0.02-0.01
|
0.20 +0.04-0.02
|
0.2043143291487509±0.2016424205280325 | --- | --- | ||
|
i
(deg)
|
86.83+1.60-0.96
|
--- | --- | --- |
88.685884 +0.968318-2.027290
|
--- | --- | --- | --- | ||
|
Teq
(K)
|
1049.0±15.0 | 953.0±25.0 | 958±14 | --- | --- | --- | 953.9690748327274 | --- | --- | ||
|
ω
(deg)
|
46.00+96.00-120.00
|
--- | --- | --- | --- | --- | --- | --- | --- | ||
|
e
|
0.52+0.24-0.26
|
--- | --- | --- | --- | --- | --- | --- | --- | ||
|
a
(au)
|
0.0664+0.0012-0.0013
|
--- | 0.0675±0.0006 | --- | --- | --- | --- | --- | --- | ||
|
S
(S⨁)
|
--- |
195.0+22.0-20.0
|
--- | --- | --- | --- | 195.73035632215132 | --- | --- | ||
|
Mp
(M⨁)
|
--- | 7.40±3.30 | --- | --- | --- | --- | --- | --- | --- | ||
|
Mp
(MJup)
|
--- | 0.0233±0.0104 | --- | --- | --- | --- | --- | --- | --- | ||
|
ρ
(g/cm3)
|
--- | 4.0±2.0 | --- | --- | --- | --- | --- | --- | --- |
- Known Objects
- 1 Confirmed Planets
- 1 K2 Targets
- 1 2MASS Point Source Catalog
- Data Files
- 1 K2 Time Series
- 1 Associated Literature Data
-
Planet Masses, Radii, and Orbits from NASA's K2 Mission
Howard et al. 2025 | Reference Overview -
The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission
Thygesen et al. 2023 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Detection of Hundreds of New Planet Candidates and Eclipsing Binaries in K2 Campaigns 0-8
Kruse et al. 2019 | Reference Overview -
Sixty Validated Planets from K2 Campaigns 5-8
Livingston et al. 2018 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10
Mayo et al. 2018 | Reference Overview -
Planet Candidates from K2 Campaigns 5─8 and Follow-up Optical Spectroscopy
Petigura et al. 2018 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
Transiting exoplanet candidates from K2 Campaigns 5 and 6
Pope et al. 2016 | Reference Overview -
New planetary and eclipsing binary candidates from campaigns 1-6 of the K2 mission
Barros et al. 2016 | Reference Overview -
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
- Browse
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