K2-55 Overview
K2-55
0.63
R⦿
4456.00
K
K2-55 b
0.341
RJup
- Other Data
- Bibliography 13
- Exoplanet Archive Notes 1
- Nearby Data 5
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| K2-55 | K2-55 b | Transit | 2016 | Crossfield et al. 2016 | Confirmed Planet |
K2-55 b
- Typo in Table 2; transit durations mis-reported in hours. See literature discrepancies page. (Schmitt et al. 2016)
- RA
- 22h15m00.45s
- Dec
- -17d15m02.88s
- Distance
-
159.522+0.730-0.725pc
- Parallax
- 6.2399700±0.0283716 mas
- Ecliptic Latitude
- -5.97399 deg
- Ecliptic Longitude
- 329.44981 deg
- Galactic Latitude
- -52.6322 deg
- Galactic Longitude
- 39.9332 deg
- Total Proper Motion
- 25.4305141±0.0479488 mas/yr
- Proper Motion (RA)
- -12.5895000±0.0492434 mas/yr
- Proper Motion (Dec)
- -22.095600±0.047521 mas/yr
- Photometry
-
mV13.519±0.092
-
mTESS12.3071±0.0061
-
mJ11.230±0.023
-
mH10.615±0.024
-
mKs10.471±0.025
-
mKep13.087
-
mW110.424±0.023
-
mW210.497±0.022
-
mW310.302±0.082
-
mW48.372
-
mGaia13.062400±0.000386
-
mB14.814±0.058
-
Mission
- K2 : Observed in Campaign 3
| Source | TICv8 | Gaia DR2 | Dressing et al. 2017 | Crossfield et al. 2016 | Kruse et al. 2019 | ExoFOP-TESS TOI | Barros et al. 2016 | Schmitt et al. 2016 | Vanderburg et al. 2016 | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
4279.000+152.758-108.647
|
4422.000+153.333-133.050
|
4299.981934+106.617569-100.011025
|
4456±148 | --- | 4279.0±130.7 | --- | --- | 4237 | ||
|
M✶
(M⦿)
|
0.6690000+0.0940336-0.0704583
|
--- | 0.687725±0.068773 | 0.696±0.047 | --- | --- | --- | --- | --- | ||
|
R✶
(R⦿)
|
0.7375760+0.0638839-0.0733925
|
0.6622259+0.0417238-0.0436427
|
0.715385+0.042897-0.039639
|
0.630±0.050 |
0.662 +0.044-0.042
|
0.74±0.07 | --- | --- | 0.65 | ||
|
log g
(log10(cm/s2))
|
4.527880+0.105698-0.112480
|
--- | --- | 4.673±0.050 | --- | 4.53±0.11 | --- | --- | --- | ||
|
L✶
(log10(L⦿))
|
-0.7843223+0.0278259-0.0311226
|
-0.82081800+0.00461495-0.00466451
|
--- | --- | --- | --- | --- | --- | --- | ||
|
γ
(km/s)
|
--- | 3.9533145671483467±1.1681925247808098 | --- | --- | --- | --- | --- | --- | --- | ||
|
ρ✶
(g/cm3)
|
2.3505611+0.7903303-0.7357559
|
--- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Crossfield et al. 2016 | Kokori et al. 2023 | Dressing et al. 2017 | Kruse et al. 2019 | ExoFOP-TESS TOI | Barros et al. 2016 | Schmitt et al. 2016 | Vanderburg et al. 2016 | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|
|
b
|
--- | --- | --- | --- | --- | --- |
0.14 +0.49-0.61
|
0.55 | ||
|
P
(days)
|
2.849258±0.000033 | 2.8492816±0.0000018 | 2.849274±0.000027 | 2.849302±0.000019 | 2.8492820±0.0000033 | 2.84947127 |
2.8493 +0.0013-0.0015
|
2.8492818 | ||
|
Rp
(R⨁)
|
3.82±0.32 | --- |
4.38+0.29-0.25
|
4.07 +0.30-0.41
|
4.75272±0.44965 | --- | --- | 4.43 | ||
|
Rp
(RJup)
|
0.341±0.029 | --- |
0.391+0.026-0.022
|
0.363 +0.03-0.037
|
0.424010±0.040115 | --- | --- | 0.395 | ||
|
Rp/R✶
|
0.0552±0.0013 | 0.0561±0.0016 |
0.056128+0.001592-0.000978
|
0.0563 +0.0018-0.0044
|
--- | --- |
0.0574 +0.0032-0.0019
|
0.05814 | ||
|
δ
(%)
|
--- | --- | --- |
0.3954 +0.0031-0.0032
|
0.4010000000±0.0000997955 | 0.372±0.005 | --- | 0.389 | ||
|
T14
(hours)
|
2.006±0.022 | --- | --- |
2.06160+0.02640-0.03600
|
1.907±0.070 |
2.09300+0.06000-0.06000
|
1.87200+0.02400-0.04800
|
2.07000 | ||
|
TC
(days)
|
2456983.42298±0.00040 | 2457063.20281±0.00024 | 2456983.423±0.000 | 2456977.72404±0.00026 | 2459470.8460250±0.0028798 | 2456983.419498 | 2456983.4245±0.0008 | 2456980.574 | ||
|
a/R✶
|
--- | 10.5±0.6 |
10.46+0.58-0.62
|
10.56 +1.56-0.60
|
--- | --- |
10.1 +1.8-1.6
|
--- | ||
|
S
(S⨁)
|
115±24 | --- |
141.3+28.8-23.5
|
--- | 115.305 | --- | --- | --- | ||
|
ω
(deg)
|
--- |
23.90+115.40-140.30
|
23.9400000+115.4329290-140.3255640
|
--- | --- | --- | --- | --- | ||
|
e
|
--- |
0.070+0.130-0.060
|
0.0700000+0.1316750-0.0612860
|
--- | --- | --- | --- | --- | ||
|
i
(deg)
|
--- |
88.2+1.1-1.0
|
88.21+1.14-1.00
|
--- | --- | --- |
87.5 +1.7-2.0
|
--- | ||
|
a
(au)
|
0.03486±0.00078 | --- | 0.035±0.001 | --- | --- | --- | --- | --- | ||
|
Teq
(K)
|
--- | --- | --- | --- | 912 | --- | --- | --- |
- Known Objects
- 1 Confirmed Planets
- 1 K2 Targets
- 1 2MASS Point Source Catalog
- Data Files
- 1 K2 Time Series
- 1 Associated Literature Data
-
ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori 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 -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. II. Planetary Systems Observed During Campaigns 1-7
Dressing et al. 2017 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
New planetary and eclipsing binary candidates from campaigns 1-6 of the K2 mission
Barros et al. 2016 | Reference Overview -
197 Candidates and 104 Validated Planets in K2’s First Five Fields
Crossfield et al. 2016 | Reference Overview -
Planet Hunters. X. Searching for Nearby Neighbors of 75 Planet and Eclipsing Binary Candidates from the K2 Kepler extended mission
Schmitt 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 -
Planetary Candidates from the First Year of the K2 Mission
Vanderburg et al. 2016 | 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
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